Team – Platinum Hospitalists

Abello, Allen, DO.

Dr. Allen Abello completed his internal medicine residency at Broward Health Medical Center and holds a DO from Nova Southeastern University. With a Bachelor of Science in Biology from UNLV, Dr. Abello has earned accolades like the Kenneth Burnell Award and recognition for outstanding research presentations. He has served as an instructor at UNLV’s School of Life Sciences and is passionate about patient-centered care, endocrinology, and critical care. In his spare time, Dr. Abello enjoys engaging in clinical research and quality improvement initiatives.

Agbulos, Gerard, MD.

Born in Suriname, South America, Dr. Agbulos is a hospitalist who enjoys serving the Las Vegas community. Dr. Agbulos has been practicing medicine since 2005 and has experience in various medical settings. He completed his medical training at the University of the East Ramon Magsaysay Memorial Medical Center in the Philippines. In his spare time, Dr. Agbulos enjoys a variety of hobbies, including tennis, soccer, biking, swimming, hiking, camping, fishing, watersports, and motorcycles.

Ahmed, Shamoona, MD.

Dr. Ahmed is originally from Karachi, Pakistan, and has been practicing medicine in the U.S. since 2011. She completed her medical training at the University of Nevada School of Medicine in Las Vegas. Dr. Ahmed is a member of several professional organizations, including the American Medical Association, the American College of Physicians, and the Association of Physician of Pakistani Descent of North America. She is fluent in English, Urdu, Hindi, and Punjabi.

Akbar, Tanveer, MD.

Dr. Tanveer Akbar is one of the founding partners of Platinum Hospitalists, where he has been instrumental in growing the practice from just four providers to over 150. Currently, he serves as the Director of Hospital Medicine, Physician Advisor for Utilization Management, and Chairperson for the Patient Safety Council at Spring Valley Hospital. A graduate of Allama Iqbal Medical College, Dr. Akbar is ABIM-certified with a focused practice in hospital medicine. His passion lies in clinical documentation improvement and enhancing patient safety, complemented by his volunteer work at the Al Maun Wellness Center in Las Vegas.

Alikozai, Farhad, DO.

Dr. Farhad Alikozai is an internal medicine physician who graduated from the Arizona College of Osteopathic Medicine and is certified by the American Board of Internal Medicine. He completed his residency at UNLV from 2018 to 2021 and has been practicing as an attending physician since 2021. During his residency, he served as a class representative and GME Space Utilization Committee member. Dr. Alikozai is an ACP poster competition finalist and has volunteered on medical missions in Guatemala and during the COVID-19 pandemic. He is fluent in intermediate Spanish and basic Farsi. Dr. Alikozai prioritizes clear communication with his patients and strives to explain medical conditions and treatment plans in simple terms. Outside of his professional life, he enjoys traveling and is engaged to his fiancée, with whom he is planning his wedding. He is an avid sports enthusiast and enjoys fitness and mentoring aspiring medical professionals.

Alim, Khwaja Sami, MD.

Dr. Sami Alim has over 15 years of experience as a hospitalist and is one of the pioneering members of Platinum Hospitalists. A graduate of Jawaharlal Nehru Medical College in India, he completed advanced cardiology fellowships and is ABIM-certified. Dr. Alim has held leadership roles, including Program Director at Mercy Medical Center, and has received accolades such as the Commander’s Award for Public Service and the “Heart of WBAMC” medal. In his free time, Dr. Alim enjoys exploring new cuisines and fostering community health initiatives.

Al-Tameemi, Ahmed, MD.

Dr. Ahmed Al-Tameemi brings a strong commitment to evidence-based medicine and patient care. He completed his internal medicine residency at UNLV after earning his MBChB from Al-Mustansiriyah University in Iraq. Bilingual in English and Arabic, Dr. Al-Tameemi is ABIM-certified and has extensive volunteer experience, including providing care to underserved populations. In his spare time, he enjoys hiking, mentoring medical trainees, and fostering multicultural connections in healthcare.

Asif, Zeeshan, MD.

Dr. Zeeshan Asif is an accomplished hospitalist with a focus on quality improvement and clinical research. A graduate of the University of Louisville School of Medicine, he completed his residency at the Mountain View Sunrise Internal Medicine program. His research on IgA vasculitis earned top honors at HCA presentations, and he has contributed to initiatives aimed at reducing inpatient falls and optimizing care for chronic cellulitis. Fluent in English, Urdu, and Hindi, Dr. Asif enjoys hiking, reading, and spending time with his family.

Astor, Olivia, MD.

Dr. Olivia Astor is a board certified internal medicine physician who completed her residency at Sunrise GME. She earned her MD from the American University of the Caribbean and undergraduate degree from the University of Pittsburgh. In her free time, she enjoys hiking and traveling.

Badery, Shamla, DO.

Dr. Shamla Badery is a compassionate and skilled hospitalist with a strong background in inpatient internal medicine. Her expertise lies in managing high-acuity patients, coordinating multidisciplinary care, and enhancing clinical outcomes through quality improvement initiatives. Dr. Badery prioritizes patient safety and maintains clear and empathetic communication with patients, families, and care teams. Known for her collaborative approach and dedication to evidence-based care, Dr. Badery ensures that patients receive the highest level of treatment throughout their hospital stay.

Baek Tan, Michelle, DO.

Dr. Michelle Baek Tan is originally from Los Angeles, CA. After initially earning her bachelor’s degree from BYU, she moved to Las Vegas where she earned her medical degree at Touro University and completed her residency training at VHS where she was Chief Resident her final year. She now considers Las Vegas home and loves cooking, hiking, and spending time with her husband and two golden doodles.

Barikzi, Leeda, DO.

Dr. Leeda Barikzi is a board-certified internal medicine physician who earned her medical degree from Kansas City University and completed her residency at University Medical Center, where she has practiced since 2023. Dr. Barikzi was born and raised in Las Vegas, Nevada and enjoys giving back to her community. Fluent in English and Farsi Dr. Barikzi enjoys spending time with her family and watching movies in her free time.

Bhandari, Shfal, MD.

Dr. Shfali Bhandari is an internal medicine physician who completed her residency at HCA Healthcare/USF Morsani College of Medicine in Brandon, Florida. Her research portfolio includes quality improvement projects on atrial fibrillation documentation, influenza vaccination compliance, and multiple case studies presented at ACP Florida meetings. As an active member of residency committees, including the Resident Wellness Committee and Ethics Committee, Dr. Bhandari has promoted physical, social, and psychological well-being among peers. Outside of work, Dr. Bhandari enjoys basketball, Indian dance, cooking, and traveling, which complement her well-rounded and compassionate approach to patient care.

Bhatia, Nauhar, MD.

Dr. Nauhar Bhatia is a board-certified Family Medicine physician and earned his medical degree from the Medical University of the Americas and has 9.5 years of healthcare experience, including 3 years in residency and 3 years at the Cleveland Clinic in Ohio. Originally from Toronto and now based in the USA, Dr. Bhatia emphasizes preventive medicine, focusing on patient education and guidance in areas such as weight loss, smoking and alcohol cessation, exercise, nutrition, and mental health. Known for his excellent communication skills and ability to build strong rapport, he provides comprehensive, compassionate care to his patients. Outside of medicine, Dr. Bhatia enjoys weightlifting, playing tennis, ping pong, and pickleball, and is also a passionate dancer.

Bhullar, Ruby, MD.

Dr. Ruby Bhullar is an experienced physician with expertise in hospital and family medicine. She completed her family medicine residency at East Jefferson General Hospital/Tulane School of Medicine and holds board certification from the American Board of Family Medicine. With years of hospitalist experience across various Las Vegas healthcare systems, Dr. Bhullar excels in managing acute medical conditions. Her background also includes outpatient care, social services coordination, and leadership roles in multidisciplinary care teams. Fluent in English, Punjabi, and Hindi, Dr. Bhullar brings cultural sensitivity and a personalized approach to patient care.

Arif, Salman, MD.

Dr. Salman Arif is a board-certified internal medicine physician with a specialization in infectious diseases. He completed his medical degree with honors from the University of Health Sciences in Pakistan, followed by an Infectious Disease Fellowship at the University of Toledo, Ohio. Dr. Arif has served in various capacities including as an academic teaching attending at the Sunrise GME program at Southern Hills Hospital, Las Vegas, and as a hospitalist at Summerlin Hospital within the Valley Health System. Dr. Arif has engaged in significant research, including collaborative projects with Yale University and Johns Hopkins University, focusing on innovative treatments for infectious diseases. In his personal time, he enjoys squash, racquetball, cricket, reading, and photography.

Kulkarni, Hrishikesh, MD.

Dr. Hrishikesh Kulkarni is a distinguished physician specializing in pulmonary care and internal medicine. He completed his M.B.B.S at Byramjee Jeejeebhoy Medical College in Pune, India, followed by an internal medicine residency at Case Western University/St. Vincent Charity Medical Center in Cleveland, Ohio, where he was recognized for his excellence in research and medical procedures. Dr. Kulkarni also holds an MBA from the University of Arizona Eller School of Management. Dr. Kulkarni completed a fellowship in Pulmonary and Crititcal Care at the University of Nevada Las Vegas. Dr. Kulkarni has a strong commitment to improving healthcare delivery and patient outcomes, evident from his involvement in quality initiatives and educational roles at various institutions. His professional journey showcases a blend of clinical excellence and leadership in healthcare management.

Tarar, Omer, MD.

Dr. Omer Tarar is a triple board-certified endocrinologist specializing in Internal Medicine, Endocrinology, Diabetes, and Metabolism, as well as Obesity Medicine. He earned his medical degree from Aga Khan University, completed his Internal Medicine residency at Jersey City Medical Center, and pursued his fellowship in Endocrinology at the University of South Carolina. Recognized for his dedication, he has earned accolades such as Las Vegas Top Doctor and multiple teaching awards. His clinical interests focus on managing diabetes and treating pituitary and adrenal disorders. Outside of medicine, Dr. Tarar enjoys tennis, traveling, exploring new cuisines, and immersing himself in nature.

Torio, Nerissa, FNP-C.

Nerissa Torio is a board-certified Family Nurse Practitioner with six years of experience and over a decade of progressive healthcare involvement. She began her career as a caregiver in an assisted living facility and later worked as a medical assistant while completing her associate degree in Nursing at the College of Southern Nevada. Nerissa earned her Bachelor’s and Master’s degrees in Family Nurse Practice from Chamberlain University. As a registered nurse, she gained experience in med-telemetry as a relief charge nurse and later in ICU, caring for critically ill patients. Currently, she practices hospital medicine and is affiliated with multiple hospitals in Las Vegas. Her passion for healthcare drives her advocacy and commitment to advancing her knowledge to better serve her patients.

Torres, John Ray, AGNP-C.

John Ray D. Torres is an Adult-Gerontology Primary Care Nurse Practitioner with 7 years of experience in healthcare. He earned his Bachelor of Science in Nursing from the University of Santo Tomas in 2013 and his Master of Science in Nursing from Purdue University Global in 2019. Torres has worked as a Registered Nurse at Kaiser Permanente, Lake Mead Health and Rehabilitation, North Vista Hospital, and Summerlin Hospital Medical Center. He has held various roles, including Care Ambassador, Charge Nurse, and Clinical Supervisor. He is also a pioneer of Night Call Productions Inc. and a regional table tennis champion.

Wern, Anna, FNP-C.

Anna Wern has over 31 years of experience in healthcare and currently serves as a nurse practitioner specializing in Endocrinology alongside Dr. Tarar at Platinum Continuity and Specialty Clinic. She earned her Bachelor of Nursing at the University of Santo Tomas in Manila, Philippines, graduating as a national board topnotcher, and later completed her Master of Nursing in Family Practice with honors from Chamberlain University in 2017. Anna has held diverse roles across the United States, from staff nurse to Director of Nursing, before joining Platinum in 2018 as a nocturnist. Outside of work, she enjoys traveling, collecting magnets, shopping, spending time with family, and relaxing with a good book and her cold brew.

Bigger, Poupak, MD.

Dr. Poupak Bigger is an internal medicine physician with extensive experience in hospital medicine and leadership roles. She earned her medical degree from the University of Vienna and completed her residency at Temple University Hospital. Dr. Bigger has held various positions, including founding her own medical company and establishing a hospital medicine division at Mt. Sinai Hospital. She has also served as an Assistant Professor of Medicine at both Mt. Sinai and ENH/Northwestern University Hospital. Her research interests include cytokine regulation and apoptosis, and she has co-authored publications and has manuscripts in preparation. Dr. Bigger is fluent in English, German, and Farsi, and enjoys hobbies such as dancing, skiing, and traveling.

Bowman, Prentice L, MD.

Dr. Prentice Bowman is a board-certified Internal Medicine physician with 12 years of clinical experience. He earned his medical degree from the University of Tennessee College of Medicine and completed his residency in Internal Medicine at the Boonshoft School of Medicine in Dayton, Ohio. Dr. Bowman has served in diverse roles, including as a hospitalist, outpatient primary care physician, and critical care team chief during his tenure with the U.S. Air Force. Outside of medicine, he enjoys video games, movies, and traveling.

Brah, Harneel, MD.

Dr. Harneel Brah is an internal medicine physician who completed his residency at Mercer University School of Medicine in Macon, Georgia. He earned his Doctor of Medicine from Aureus University in Aruba and holds a Bachelor of Health Science degree from Manipal University in India. Dr. Brah is board-eligible with the ABIM. With a keen interest in quality improvement, Dr. Brah strives to enhance patient safety and care efficiency. His strong academic background and global education contribute to his versatile and evidence-based medical practice.

Woldemariam, Bersabel, DO.

Dr. Bersabel Woldemariam is a family medicine physician with a rich background in biochemistry and molecular biology. After completing her medical education at Touro University Nevada, Dr. Woldemariam engaged in several scholarly activities, including publications on medical education predictors and fungal sinusitis. Her hobbies include painting, jewelry making, knitting, and crafting, reflecting her creative side alongside her medical expertise.

Campana, Mary Charmaine E, MD.

Dr. Campana is a highly competent and detail-oriented internal medicine physician with significant experience in managing complex inpatient cases. She is passionate about delivering patient-centered care and excels in coordinating interdisciplinary teams to provide comprehensive treatment for hospitalized patients. Dr. Campana’s dedication to evidence-based medicine and continuous improvement has established her as a trusted advocate for her patients. Her approachable demeanor and strong communication skills further enhance her ability to deliver high-quality, compassionate care.

Wilbert, Ching, MD.

Wilbert Ching, MD

Specialization: Family Medicine
Education: Ross University
Board Certification: American Board of Family Medicine
Years experience: 10 years
Hobbies: Being with family, Watching TV, Video games

Kim, Edward, DO.

Dr. Edward Kim is a board-certified internal medicine physician who earned his Doctor of Osteopathic Medicine from Western University of Health Sciences. He completed his internal medicine residency at Valley Hospital Medical Center in Las Vegas, NV. Dr. Kim’s clinical experience includes treating a wide range of acute and chronic conditions, with a focus on evidence-based care and patient education. His dedication to medicine is complemented by his passion for mentorship, as seen in his volunteer work guiding aspiring healthcare professionals. Outside of work, Dr. Kim enjoys coaching youth sports and staying active in his local community.

Golden, Shivani, MD. (prev Chopra)

Dr. Shivani Golden is a double board-certified Geriatrician who completed her Geriatrics & Administrative Fellowship at Mount Sinai’s Icahn School of Medicine in New York City, where she was named Chief Quality Fellow. Following her fellowship, she served as an Assistant Clinical Professor at NYU Langone Hospital and was the Quality Director for a 500+ bed skilled nursing facility. She led various initiatives in this role, including coordinating the COVID treatment response during the 2021 wave of the pandemic, when anti-COVID treatments were scarce. Due to her efforts, nearly 100 patients received life-sustaining treatment that helped prevent deaths and hospitalizations from COVID. She is currently a nursing home Medical Director and full-time physician in Rehabilitation centers. She is a yearly guest speaker at national Post-Acute and Long Term Care conferences, where she lectures on the subject of Medical Director contracts with legal counsel. She is a firm believer in evidence based medicine as well as a patient-centered, holistic approach to care where the needs and desires of her patients come first. She is deeply passionate about nursing homes and strives to bring her knowledge and experience from her work in New York to Las Vegas.

Gubler, Jason Tyler, DO.

Dr. Gubler is a family medicine physician who has been practicing medicine since 2015. He completed his medical training at Touro University-Nevada and his residency at Chino Valley Medical Center. Dr. Gubler is a member of the American Osteopathic Association, the Society of Hospital Medicine, and the American College of Osteopathic Family Physicians. He is also fluent in Spanish. In his spare time, Dr. Gubler enjoys volunteering at the Montclair Indigent Clinic, where he provides medical care for the indigent community.

Mohammed, Hassan, MD.

Dr. Mohammed is a board-certified family physician with experience in inpatient and outpatient settings. He earned his medical degree from Avalon University School of Medicine. e completed his residency at Baptist Health Deaconess FM Residency in Madisonville, Kentucky, and also served as a core faculty physician at Baptist Health Deaconess FM Residency, where he taught and trained residents and medical students.

Reed, Jennifer, MD.

Having joined the team in January 2022, she is renowned for her comprehensive approach to patient care. She earned her M.D. from Michigan State University College of Human Medicine, where she also completed her undergraduate studies with a B.S. in Human Biology and a minor in Spanish. Dr. Reed’s medical career is marked by a deep commitment to family medicine, having served in various capacities including teaching faculty at The Valley Health System Family Medicine Residency. Her expertise spans hospital medicine and critical care, particularly in managing complex medical pathology in underserved populations. Dr. Reed’s approach integrates extensive research with clinical practice, aiming to enhance patient outcomes through evidence-based care and education.

Saechao, Johnny K, MD.

Dr. Johnny Saechao brings a diverse background to his role, combining extensive military experience as a Line Corpsman and Aviation Electrician with his medical expertise. After graduating from Oregon Health Sciences University, he completed his family medicine residency at Valley Health Systems, where he serves as Chief Resident. Dr. Saechao’s medical career is marked by a commitment to service, evident from his volunteer work providing medical services to indigenous tribes in Costa Rica and his leadership in trauma research. His interests include hiking, computing, and spending quality time with his family.

Yaghoobian, Jonathan, MD.

Dr. Jonathan Yaghoobian is an accomplished physician with a deep passion for internal medicine. Having completed his residency at Mountainview Hospital, Dr. Yaghoobian has been actively involved in various clinical roles and research projects focused on cancer cell adhesion and nematode behavior. His bilingual proficiency in English and Farsi enhances his ability to communicate effectively with a diverse patient base.

Kabsoun, Sara, MD.

Dr. Kabsoun completed her medical training at the University of Medical Sciences & Technology in Khartoum, Sudan. She has also served as a clinical instructor at Michigan State University College of Human Medicine. Dr. Kabsoun has held positions as a hospitalist/geriatrician at Mercy Hospital in St. Louis, Missouri, and as a family physician/geriatrician at Banner Health Medical Group in Surprise, Arizona. She completed a geriatric fellowship at Banner Health Geriatric Fellowship Program in Sun City, Arizona.

Liu, Daniel Yang, MD.

Dr. Daniel Liu is a board-certified Family Medicine physician who earned his medical degree from Ross University School of Medicine. With one year of post-residency experience, he focuses on promoting fitness, longevity, and health span as part of his clinical and personal interests.

Shah, Meika, MD.

Dr. Meika Shah excels in internal medicine, having completed her residency at MountainView Hospital’s Sunrise Health GME Consortium. A graduate of the University of Medicine and Health Sciences in St. Kitts, she has been involved in a wide array of clinical and community services, including medical volunteer work during hurricane Irma and extensive clinical research. Dr. Shah’s approach to healthcare is deeply patient-centered, focusing on comprehensive care and medical education.

Paracha, Sonia, MD.

Dr. Sonia Paracha completed her family medicine residency at Valley Health System, where she has been involved in quality improvement projects and resident wellness initiatives. She obtained her medical degree from American University of Antigua and has a background in psychology from the University of Arizona. Dr. Paracha is committed to providing evidence-based, effective patient care and has a particular interest in addressing opioid use disorders through medication-assisted treatment.

Rafatnia, Ali, MD.

Dr. Ali Rafatnia is a board-certified family medicine physician with a strong background in both outpatient and inpatient care. He completed his medical degree at the American University of Antigua and his family medicine residency at UAMS Baptist Health Family Medicine. Dr. Rafatnia has broad expertise in clinical procedures such as central line access, thoracentesis, and rapid sequence intubation. He has contributed to research on oncology and renal conditions, with publications and presentations at national conferences. Dr. Rafatnia is fluent in English and Farsi, with intermediate Spanish proficiency, allowing him to connect with diverse patient populations. Outside of work, he enjoys staying active through fitness and exploring new opportunities for professional growth.

Sullivan, James, MD.

Dr. James Sullivan is a board certified family medicine physician known for his dedication to enhancing community health and patient care. He earned his medical degree from Ross University School of Medicine and completed his residency at St. Joseph’s Hospital in Syracuse, NY. Dr. Sullivan brings a comprehensive approach to medicine that is deeply rooted in family practice principles. In his free time, Dr. Sullivan enjoys playing hockey, a passion that reflects his teamwork and leadership skills both on and off the ice.

Appleby, Anna, FNP-C.

Anna Appleby is a board-certified family nurse practitioner with advanced training from the University of Florida, building on her extensive career as a registered nurse at an outpatient family practice. With over 15 years of experience in healthcare, Anna specializes in palliative and hospice care as part of Platinum Palliative Care Services, where she focuses on symptom management and providing compassionate, patient-centered care. Known for her dedication to improving quality of life for patients with serious illnesses, Anna also enjoys spending her free time reading, hiking, and engaging in volunteer work within her community

Cowan, Amanda, AGACNP-BC.

Amanda Cowan is a board-certified nurse practitioner specializing in acute care from Grand Canyon University. She brings over a decade of experience in healthcare, including an extensive background in critical care as an RN. Amanda is one of the key members of Platinum Palliative Care Services, specializing in providing compassionate and evidence-based palliative and hospice care to patients with chronic and life-limiting illnesses. Beyond her clinical work, Amanda enjoys outdoor activities like hiking and values spending quality time with her family.

Lorenzo, Eliza, FNP-C.

Eliza Lorenzo is a board-certified Family Nurse Practitioner with over a decade of clinical expertise in hospice and geriatric care. She earned her Master of Science in Nursing from CDU-MMDCON and holds board certifications from the American Association of Nurse Practitioners (AANP) and the American Nurses Credentialing Center (ANCC). As a dedicated provider at Platinum Palliative Care Services, Eliza focuses on alleviating symptoms and enhancing the quality of life for patients facing serious illnesses. She collaborates with patients and their families, offering compassionate, individualized care to navigate challenging times with dignity and support. Outside of her professional life, Eliza has a passion for travel, discovering new cultures, and enjoying outdoor adventures with her family and friends. She is a firm advocate for work-life balance, she believes that her personal experiences and diverse journeys enhance her ability to connect with patients on a deeper level, bringing empathy and a holistic perspective to her practice.

Gordon, Theresa, AGACNP-BC.

Theresa Gordon is an Adult-Gerontology Acute Care Nurse Practitioner with advanced training from Grand Canyon University and over 20 years of experience in healthcare. She spent much of her RN career in critical care, including intensive care and interventional radiology settings, before transitioning to advanced practice. As part of Platinum Palliative Care Services, Theresa focuses on improving symptom management and quality of life for her patients. In her free time, she enjoys traveling and spending time with her family.

Jackson, Pauline, AGPCNP-BC.

Catherine Molina is a board-certified nurse practitioner in Family Practice with advanced training in adult-gerontology from Touro University. She brings over 30 years of healthcare experience, beginning her career as a registered nurse in medical-surgical, trauma, and critical care settings, where she developed a strong foundation in managing complex patients. As a valued member of Platinum Palliative Care Services, Catherine specializes in providing compassionate palliative and hospice care, focusing on symptom management and improving patients’ quality of life. Outside of her professional work, Catherine enjoys listening to music, dancing, martials arts, and spending time with her 4 children and husband.

Kozlowski, Paige, DO.

Dr. Paige Kozlowski is a dedicated Internal Medicine physician who has specialized in Hospice and Palliative care. After earning her Doctor of Osteopathic Medicine degree from the Edward Via College of Osteopathic Medicine, she completed her internal medicine residency at Opti West/Valley Hospital in Las Vegas. Dr. Kozlowski completed her fellowship in Hospice and Palliative Care at Opti West/Nathan Adelson Hospice. She is board certified by the AOBIM in Internal Medicine and Hospice and Palliative Medicine. She holds a B.S./M.S. in Chemistry from Northeastern University, graduating magna cum laude. Dr. Kozlowski has a robust research background, including designing fatty acid synthase inhibitors and radical synthesis studies. Her hobbies include playing pickleball, and horseback riding, demonstrating her passion for a balanced and active lifestyle.

Lee, Diana, MD.

Dr. Diana D. Lee is a hospitalist with extensive experience in both inpatient and palliative care settings. She earned her medical degree from Capital University of Medical Sciences in Beijing and completed her internal medicine residency at Greater Baltimore Medical Center, affiliated with Johns Hopkins School of Medicine. Dr. Lee has held hospitalist positions at various healthcare institutions, including Platinum Hospitalist Group, Mercy Medical Group, and Woodland Healthcare. She is board certified in both Internal Medicine and Hospice and Palliative Medicine. In addition to her clinical work, Dr. Lee has served on medical committees and is a member of several professional organizations.

Molina, Catherine, FNP-C.

Catherine Molina is a board-certified nurse practitioner in Family Practice with advanced training in adult-gerontology from Touro University. She brings over 30 years of healthcare experience, beginning her career as a registered nurse in medical-surgical, trauma, and critical care settings, where she developed a strong foundation in managing complex patients. As a valued member of Platinum Palliative Care Services, Catherine specializes in providing compassionate palliative and hospice care, focusing on symptom management and improving patients’ quality of life. Outside of her professional work, Catherine enjoys listening to music, dancing, martials arts, and spending time with her 4 children and husband.

Monsay, Keith, AGACNP-BC.

Keith Monsay is an Acute Care Nurse Practitioner with advanced training from Grand Canyon University and over 15 years of experience in healthcare. Starting his career as an RN in critical care and trauma units, Keith developed a strong foundation in managing acutely ill patients. He now applies his expertise at Platinum Palliative Care Services, providing comprehensive care for patients with serious and life-limiting illnesses. Fluent in Lao, Keith enjoys playing sports and spending time with his family.

Paulino, Robert, MD.

Dr. Robert J. Paulino, M.D., is an accomplished internal medicine and palliative care physician with extensive experience in hospital and hospice settings. He obtained his medical degree from the University of the Philippines and completed his internal medicine residency at Icahn School of Medicine at Mount Sinai, followed by a palliative and hospice medicine fellowship at the VA GRECC affiliated with Mount Sinai. Dr. Paulino provides comprehensive medical care across a variety of settings, the majority of which are at skilled nursing facilities. He has also played a significant role in establishing and directing several home hospice programs, demonstrating his commitment to enhancing end-of-life care through thoughtful leadership and clinical expertise.

Vitug, Bennett, DO.

Dr. Bennett Vitug is a board-certified family medicine physician currently specializing in hospice and palliative care through a fellowship at OPTI West/Nathan Adelson. He completed his family medicine residency at Valley Hospital and earned his Doctor of Osteopathic Medicine from Touro University Nevada. Dr. Vitug also holds a Master’s of Science in Biology from the University of California, San Diego. He is proficient in English and Tagalog, with conversational skills in Spanish and Japanese. Dr. Vitug’s professional experience is diverse, including roles in contrast monitoring at Steinberg Diagnostic Medical Imaging and per diem physician work at Touro Health Center. His interests include quality improvement in healthcare, as evidenced by his project to streamline discharge processes at Nathan Adelson Hospice.

Balajadia, Queennie, FNP-BC.

Queennie Balajadia is a board-certified Family Nurse Practitioner specializing in Hospital Medicine. She earned her Master’s degree from Spring Arbor University and brings dedication and compassion to patient care. Outside of work, Queennie enjoys spending time with her family, drinking with friends, and two beloved fur babies.

San Luis, Jasmin, ACNP-BC.

Jasmin San Luis is a board-certified Adult-Gerontology Acute Care Nurse Practitioner with 13 years of experience in healthcare. She earned her Bachelor of Science in Nursing from Our Lady of Fatima University in 2006 and her Master of Science in Nursing from Grand Canyon University in 2018. San Luis has worked as a Registered Nurse and Critical Care Nurse Practitioner in various hospitals, including Valley Hospital, Sunrise Hospital, and Pulmonary Associates. She has experience in critical care, ventilator management, and providing care to patients with various medical conditions. San Luis is a member of several professional organizations

Ricana, Byron, AGACNP-BC.

Byron James J. Ricana is an Adult-Gerontology Acute Care Nurse Practitioner with over 10 years of experience in healthcare. He earned his Bachelor of Science in Nursing from Touro University and his Master of Science in Nursing from Grand Canyon University. Ricana has worked as a Registered Nurse and Critical Care Nurse Practitioner at various hospitals, including Sunrise Hospital, Southern Hills Hospital, and Desert Springs Hospital. He has held various roles, including Care Ambassador, Charge Nurse, and Nurse Educator. In his spare time, he enjoys watching anime and cooking.

Mudasir, Zeshan, DO.

Dr. Zeshan Mudasir is a distinguished neurologist with an extensive background in both chiropractic and osteopathic medicine. After earning a Doctor of Chiropractic from Palmer College of Chiropractic and a Doctor of Osteopathy from Touro University Nevada, Dr. Mudasir completed his neurology residency at Valley Hospital in Las Vegas, where he also served as Chief Resident. His deep commitment to neurology is evidenced by his numerous lectures on topics ranging from stroke management to neuro-oncology. Dr. Mudasir is an active member of the American Academy of Neurology and the American Osteopathic Association. In his free time, he enjoys playing tennis, watching movies, reading, and traveling internationally, embracing diverse cultures and expanding his understanding of global healthcare perspectives.

Musante, Alisa, FNP-C.

Alisa Musante is a board-certified Family Nurse Practitioner with over a decade of experience in healthcare. She earned her Bachelor of Science in Nursing from West Virginia University and her Master of Science in Nursing from Simmons College. Musante began her career with Platinum Hospitalists as part of the nocturnist team, showcasing her dedication to patient care during overnight hours. She has since transitioned to become one of the dedicated Endocrinology Nurse Practitioners within Platinum’s Endocrinology service. On her free time, she is busy with real estate gigs.

Waheed, Sehrish, MD.

Dr. Sehrish Waheed is an endocrinologist with over a decade of experience in internal medicine. She earned her medical degree from Khyber Medical University in Pakistan and completed her residency in Internal Medicine at the University of Texas Health Northeast/Christus Good Shepherd Medical Centre and Mount Sinai School of Medicine. She is currently completing an endocrinology fellowship at Mountain View Hospital in Nevada. She has held positions as a hospitalist at Mercy Health and SSM DePaul in St. Louis, Missouri. She has presented research findings at national conferences and has been published in peer-reviewed journals. In her spare time, she enjoys painting, home décor, traveling, and reading.

Daria, Mary Kristine, AGACNP-BC.

Mary Kristine Daria is a board-certified Adult-Gerontology Acute Care Nurse Practitioner with over 15 years of experience as a Registered Nurse and 3 years as an Advanced Practice Registered Nurse (APRN). She earned her Master of Science in Nursing with an emphasis in Adult-Gerontology from Grand Canyon University and her Bachelor of Science in Nursing from the University of Santo Tomas, Legazpi. Mary Kristine is dedicated to delivering excellent patient care and enjoys cooking and traveling with family and friends in her personal time.

Vu, Kenney Khoi-Le, DO .

Dr. Kenney Vu is a board-certified psychiatrist with extensive training and experience in adult psychiatry. After earning his Doctor of Osteopathic Medicine from Touro University Nevada, Dr. Vu completed a transitional year at HCA Healthcare/ Sunrise Health GME Consortium in Las Vegas, followed by a psychiatry residency at HCA Healthcare/ USF Morsani College of Medicine in Florida. Currently, Dr. Vu also practices at Nevada Mental Health and Healthy Minds in Las Vegas, specializing in general adult psychiatry. His academic contributions include several presentations on cardiac risks associated with psychiatric medications and a publication on nicotinic α4β2 receptor imaging agents. Dr. Vu is proficient in English and Vietnamese, with basic skills in Spanish, allowing him to serve a diverse patient population effectively. His professional memberships include the American Psychiatric Association and the Nevada Psychiatric Association.

Cervantes, Christian, FNP-BC.

Christian Cervantes, a board-certified Family Nurse Practitioner, brings a wealth of experience to his role, having started his career as a critical care nurse. He earned his Master’s degree from the University of Nevada, Las Vegas (UNLV) in 2021 and is proudly certified by the ANCC. Born and raised in the San Francisco Bay Area, Christian balances his professional dedication with a passion for travel, gaming, and sports. He is an avid supporter of the Golden State Warriors and San Francisco 49ers and enjoys attending professional wrestling events.

Villarama, Joseph, FNP-BC.

Joseph Villarama is a board-certified Family Nurse Practitioner. He earned his Master of Science in Nursing from United States University and his Bachelor of Science in Nursing from UNLV. With seven years of nursing experience spanning IV hydration, IMC, ICU, open heart recovery, and rapid response, Joseph now brings his expertise to his current role as an NP. Outside of work, he enjoys working out, snowboarding, CrossFit, pickleball, traveling, and caring for his two dogs and seven houseplants.

Almachar, Emil, ACNPC-AG.

Emil Almachar is a board-certified Adult-Gerontology Acute Care Nurse Practitioner with almost 10 years of experience in healthcare. He began his career as a Cavalry Scout in the Nevada Army National Guard before transitioning to nursing. He earned his Bachelor of Science in Nursing from the University of Nevada, Las Vegas, and his Master of Science in Nursing from the University of Nevada, Reno. He was a Registered Nurse in the Adult Emergency Department at Sunrise Hospital when he started his nursing career back in 2015. He was a recipient of the Daisy Award for Extraordinary Nurses.

Yung, Homer, AGACNP-BC.

Homer Yung is a board-certified Adult-Gerontology Acute Care Nurse Practitioner with advanced training from Grand Canyon University. With over a decade of experience in healthcare, Homer’s background includes roles as an ICU, emergency department, and medical-surgical RN, where he excelled in managing critically ill patients. At Platinum Hospitalists, Homer applies his expertise to deliver high-quality, acute care, focusing on improving clinical outcomes and patient satisfaction. Known for his strong work ethic, Homer’s skill set includes advanced procedures and a deep understanding of acute care management. In his free time, he enjoys watching turkish oil wrestling.

Salvador, Mark DNP, AGACNP-BC, FNP-C.

Dr. Mark Salvador, APRN, is a dual-certified Adult-Gerontology Acute Care and Family Nurse Practitioner with over 15 years of experience in healthcare. His advanced nurse practitioner training was completed at Walden University and the University of Nevada-Reno. He earned his DNP degree at Capella University with a project focused on improving inpatient resource utilization and patient experience through coordinated daily rounding. In 2017, he completed a post-graduate neurovascular advanced practice fellowship at Arizona State University, furthering his expertise in stroke care and neurovascular management. As the Lead Nurse Practitioner and Nocturnist for Platinum Hospitalists, Mark is pivotal in overseeing high-acuity patient care during the overnight hours. He also played a key role in establishing the Platinum Continuity and Specialty Clinic, where he serves as Clinical Director. He spearheaded the development of the Transitional Care Management Program, significantly enhancing post-discharge care. Outside of work, Mark enjoys movies, staying active, and spending quality time with his family.

Roces, Noreen, AGACNP-BC.

Noreen Roces is a board-certified Adult-Gerontology Acute Care Nurse Practitioner with advanced training from Grand Canyon University. She brings over 12 years of experience in healthcare, starting as a registered nurse in the ICU, where she provided nursing care to medically critical patients. Now a valued nocturnist with Platinum Hospitalists, Noreen specializes in acute care, managing complex medical conditions with a focus on evidence-based practice and comprehensive patient care. Known for her meticulous attention to detail and collaborative approach, Noreen is dedicated to improving patient outcomes. Outside of work, she enjoys traveling and spending time with her family.

Ochoco, Mario, FNP-BC.

Mario Ochoco is a board-certified Family Nurse Practitioner through the American Nurses Credentialing Center (ANCC). He earned his Bachelor of Science in Nursing from Holy Name University in the Philippines in 2006 and completed his Master of Science in Nursing with a focus on Family Practice from Chamberlain University in 2023. Mario joined the Platinum Hospitalist group in 2023 as a nocturnist. During his time off, he enjoys spending quality time with his wife and son.

Pulma, Joshua, FNP-C.

Joshua Pulma is an Advanced Practice Registered Nurse with 7 years of experience specializing in cardiovascular and critical care. He is dedicated to providing high-quality care through patient assessment, emergency response, and interdisciplinary collaboration. Pulma earned his Bachelor of Science in Nursing from Charles R. Drew University of Medicine and Science and his Family Nurse Practitioner-MSN degree at the same institution. He has worked as an ICU Registered Nurse at Dignity Health and UMC, where he gained experience in open heart recovery, IABP and Impella monitoring, and CRRT. Pulma is committed to continuous improvement in healthcare practices and patient outcomes.

Dampog, Ronald Reny, AGACNP-BC, FNP-C.

Ronald Reny Dampog is a dual-certified nurse practitioner in Acute Care and Family Nurse Practice, earning both certifications through advanced training at Purdue University Global. With over a decade of healthcare experience, Ronald began his career as a registered nurse in high-acuity intensive care and medical-surgical units, where he managed complex post-surgical, neuro, and cardiac patients. Currently serving as a nocturnist APRN with Platinum Hospitalists, Ronald specializes in managing acute and chronic conditions during overnight shifts, ensuring seamless and high-quality patient care. Fluent in English and Tagalog, he brings a well-rounded perspective to patient interactions. Outside of work, Ronald enjoys spending time with his family.

Taku, Atongane, DNP, FNP-C.

Dr. Atongane Taku, APRN, is a board-certified family nurse practitioner with almost 10 years of experience in patient care. She is a highly motivated and dedicated healthcare professional with a passion for patient advocacy. Taku earned her Bachelor of Science in Nursing from Oklahoma City University, her Master of Science in Nursing from the University of Nevada, Las Vegas, and her Doctor of Nursing Practice degree at the same institution. Her DNP quaility improvment project focused on patient safety. She has worked as a Registered Nurse at Valley Health System and HealthTrust Workforce Solutions, where she gained experience in direct patient care, medication administration, and patient education. Taku is a strong advocate for patient safety and is committed to collaborating with interdisciplinary teams to achieve positive patient outcomes.

Flores, Tammera, MD.

Tammera Flores is a dynamic internal medicine residency graduate at the Kirk Kerkorian School of Medicine, where she has been recognized for her service distinction. A graduate of the University of Iowa Carver College of Medicine, Tammera also holds a B.S. in Physiological Science with a minor in Film and Theater from UCLA. Her advocacy and community engagement are highlighted by her publications and speaking engagements, including interactions with Nevada’s elected officials. In her free time, Tammera enjoys exploring the interplay between medicine and media, which reflects her minor in film and theater.

Golden, Daniel, MD.

Dr. Daniel Golden is a Post-Acute Hospitalist for Platinum Hospitalists, a Medical Director at the ER at West Craig, and an Associate Director of Quality and Patient Safety for Envision Physician Services and Valley Health System’s Department of Emergency Medicine. He previously worked as a clinical research manager at Weill Cornell Hospital, a police officer and then firefighter in New York City. Dr. Golden completed his residency at New York-Presbyterian Cornell & Columbia University Hospitals and has a Doctor of Medicine degree. He has received numerous honors and awards, including the Outstanding Citizenship Award and Quality Improvement Champion.

Huynh, Kovin, DO.

Dr. Kovin Huynh is a board-certified internal medicine physician practicing as a hospitalist in Las Vegas, Nevada. He earned his Doctor of Osteopathy degree from Touro University Nevada and completed his residency in Internal Medicine at Valley Hospital Medical Center. Since 2018, Dr. Huynh has been part of Platinum Hospitalists and he is actively involved in hospital leadership, serving on the Practitioner Performance Improvement and Utilization Review Committees. Dr. Huynh’s published work includes an article on Glucagon-Like Peptide-1 Receptor Agonists for Type 2 Diabetes in American Health & Drug Benefits.

Lumbres, Madel, MD.

Dr. Madel Lumbres completed her medical training at University of Santo Tomas Faculty of Medicine and Surgery in Manila, Philippines where she graduated Cum Laude. She then completed her Internal Medicine Residency Training at New York Downtown Hospital in New York City and Good Samaritan Hospital in Baltimore, Maryland. She worked as a Hospitalist Physician at University of Florida Health in Jacksonville, Florida before moving to Las Vegas in 2015. Dr Lumbres has worked in several hospitals in the Las Vegas Valley including Dignity Health St Rose Siena, San Martin and De Lima Campuses, Spring Valley Hospital, Desert Springs Hospital, as well as post-acute facilities such as Valley Health Specialty Hospital and Advanced Healthcare of Henderson. During her free time, Dr Lumbres enjoys traveling and exploring different cuisines with her family and friends.

Mahgerefteh, Babak, DO.

Dr. Babak Mahgerefteh is an internal medicine physician with over 13 years of experience. He earned his Doctor of Osteopathic Medicine degree from Touro University College of Osteopathic Medicine and completed his residency and internship at Valley Hospital Medical Center. Dr. Mahgerefteh has been board-certified in internal medicine since 2014. He served as an associate program director at Valley Hospital residency program for one year. He has been working with Platinum since 2014, including six years while battling cancer. Dr. Mahgerefteh has conducted research on new drug therapies for obesity, therapeutic hypothermia, and multimodal magnetic resonance imaging.

Wendy, Mojica, DO.

Originally hailing from California, I moved to Las Vegas, Nevada in 1999, where I pursued my passion for medicine. I earned my degree from Touro Medical School and completed my residency at the University of Southern California’s Keck School of Medicine. As an internal medicine physician, I’ve spent over a decade dedicated to patient care, primarily as a hospitalist and in post-acute settings.What I find most rewarding in medicine is the opportunity to educate patients and their families, empowering them to make informed decisions about their health. Outside of my professional life, I cherish quality time with my husband, our two wonderful children, and our beloved cat. In my downtime, I’m an avid reader of mysteries and have a deep appreciation for diverse genres of music.

Nasiri, Amir, MD.

Dr. Amir Nasiri completed his internal medicine residency at Mountain View Hospital. His medical education at St. George’s University equipped him with extensive clinical experience, which he has applied in various medical settings, including skilled nursing facilities. Dr. Nasiri has a notable history of overcoming personal and professional challenges, demonstrating resilience and dedication to his medical career.

Nguyen, Anthony, DO.

Dr. Anthony Nguyen specializes in Internal Medicine and is board-certified in his field. He earned his Doctor of Osteopathic Medicine degree from VCOM-Auburn and residency training at Valley Hospital and brings five years of clinical experience to his role as a hospitalist. In his personal time, Dr. Nguyen enjoys playing badminton.

Qazi, Fozia R, MD.

Dr. Fozia R. Qazi brings a rich blend of expertise in internal medicine and nuclear medicine to her role as a hospitalist with Platinum. Dr. Qazi completed her medical education at Allama Iqbal Medical College in Lahore, Pakistan, and went on to complete a residency in internal medicine at Mountain View Hospital’s GME program in Las Vegas. Additionally, she is board certified in nuclear medicine, having completed further training in this specialty at Saint Louis University. Dr. Qazi has actively contributed to the field of nuclear medicine through research presented at national conferences and is recognized for her work on metabolic activity detection using FDG-PET/CT. Her medical practice is enhanced by her dedication to patient care and her strong clinical background.

Raroque, Sabrina, MD.

Dr. Sabrina Raroque is a board-certified Internal Medicine physician with experience as a hospitalist and clinical associate. She earned her medical degree from the University of the Philippines College of Medicine, having been accepted into the prestigious INTARMED (Integrated Arts and Medicine) program. This highly selective program is known for its rigorous academic standards and serves as a strong foundation for a career in medicine. Dr. Raroque completed her residency at Case Western Reserve University/St. Vincent Charity Medical Center. She has held positions at various healthcare institutions and has been involved in research, with publications and presentations on topics such as glycemic control and hypothyroidism-induced rhabdomyolysis. In her free time, she enjoys playing pickleball, skiing, traveling, and singing karaoke.

Roa, Robert, MD.

Dr. Robert Roa is an esteemed internal medicine physician with a rich history of serving the Las Vegas community. He completed his medical degree at Cebu Institute of Medicine, followed by a rigorous internship and residency at St. Barnabas Hospital, where he honed his skills in providing exceptional patient care. With extensive experience across multiple healthcare settings, Dr. Roa has been a pivotal figure in internal medicine, particularly known for his thorough approach in chronic disease management and commitment to improving healthcare delivery.

Ramos Jr, Eduardo, MD.

Dr. Ramos is a board-certified internal medicine physician with extensive experience in hospital medicine. He earned his medical degree from Ross University Medical School. He has worked as a hospitalist at various hospitals in Nevada, New Jersey, and Florida. Dr. Ramos has also served as a consultant for the Neuro-Cognitive Institute in New Jersey. He has experience in critical care and acute care, including ventilator management, central lines, intubations, and other procedures. Dr. Ramos has also participated in numerous clinical research studies as a sub-investigator. He is fluent in Spanish and English.

Sandhu, Rewa MD, MPH.

Dr. Rewa Sandhu combines her passion for public health and internal medicine to enhance patient care and community health. After completing her medical degree at the American University of Antigua, she pursued a Master’s in Public Health at Walden University and an internal medicine residency at HCA Healthcare/USF Morsani College of Medicine. Dr. Sandhu has contributed to various quality improvement projects focusing on smoking cessation and influenza education. Her commitment to wellness extends beyond her professional duties, as evidenced by her role in founding the Resident Wellness Committee.

Saqib, Iqra, DO.

Dr. Saqib is a hospitalist who completed her medical training at Western University of Health Sciences. She has a Bachelor of Arts degree in Biological Sciences and Psychology from the University of Nevada, Las Vegas. She has previous experience as a pharmacy technician and a research assistant. She has also been involved in community service, volunteering at the Volunteers of America Homeless Shelter and Project Smile Battered Women’s Homeless Shelter. In her free time, she enjoys painting, sculpting, baking, sewing, and exercising.

Shoho, Angela, MD.

Dr. Shoho is a board-certified internal medicine physician with extensive experience in private practice and hospital settings. She earned her medical degree from the University of California, Irvine, College of Medicine. She completed her residency in internal medicine at the Mayo Clinic in Rochester, Minnesota. Dr. Shoho is a Fellow of the American College of Physicians. She has received numerous honors and awards, including America’s Top Physicians and the St. Rose Dominican Hospital Customer Service Excellence Award. Dr. Shoho has also published several research papers in peer-reviewed journals.

Sheikh, Sameer Ijaz, MD.

Dr. Sheikh is a board-certified internal medicine physician with extensive experience in hospital medicine. He earned his medical degree from Saba University School of Medicine. He has worked as a hospitalist at University Medical Center in Las Vegas, Nevada for over 15 years. Dr. Sheikh also has experience in community medicine and healthcare. He previously worked as a technical consultant for Phenomenex Inc., where he consulted marketing and sales staff on technical parameters of pharmaceutical/synthetic protein method development. Dr. Sheikh also served as a teaching assistant in the Department of Biology at UCSD, where he lectured biology classes and conducted review lectures.

Yalamanchili, Hima, MD.

Dr. Hima Yalamanchili is a family medicine physician who brings a comprehensive approach to patient care. After completing her medical training at the Medical University of the Americas and residency at Louisiana State University Health Sciences Center, Dr. Yalamanchili has worked in various healthcare settings, providing her with a broad experience in treating diverse patient populations.

Yang, Zongqi MD, PhD.

Dr. Zongqi Yang, a board-certified Internal Medicine physician, brings over 20 years of clinical experience to his practice. A graduate of Hebei Medical University in China, Dr. Yang has been recognized for his exceptional patient care, earning the prestigious Physician MVP award twice in 2019 at Centennial Hills Hospital in Las Vegas. He is passionate about providing compassionate and comprehensive care to geriatric patients in post-acute settings. In his free time, Dr. Yang enjoys swimming, playing tennis, and golfing.

Our Team

Awaji, Obinna, MD.

Kang, Choi, DO.

Lawrence, del Mundo, MD.

Shad, Mujeeb, MD.

Poliquin Joseph APRN

Wang Shyh-Jeun MD

Kang, Choi, DO.

Lawrence, del Mundo, MD.

Shad, Mujeeb, MD.

Awaji, Obinna, MD.