Faculty Brief Bio

Michael Bryer-Ash, MD, FRCP(Lond), FRCP(C)
Michael Bryer-Ash, MD, FRCP(Lond), FRCP(C)

Dr. Bryer-Ash is professor and chief of the Division of Endocrinology, as well as the physician director of the Banner – University Medical Center Phoenix and College of Medicine – Phoenix Endocrine Institute. Previously, he worked for the USPHS as Area Diabetes Consultant for the tri-state Oklahoma City Area of the Indian Health Service. He was a professor of Medicine and associate chief of Endocrinology at David Geffen School of Medicine at UCLA and director of the UCLA subspecialty training program in endocrinology. He earned his medical degree from the Middlesex Hospital Medical School of London University, London, England.

Mahmoud Alsayed, MD
Mahmoud Alsayed, MD

Dr. Alsayed is clinical assistant professor of Internal Medicine and the associate program director of the Endocrinology Fellowship. He earned his medical degree from Damascus University School of Medicine in Damascus, Syria. He completed an internal medicine residency at Rosalind Franklin University/Chicago Medical School, North Chicago, IL, as well as a fellowship in endocrinology and metabolism at the UA College of Medicine – Phoenix. He is board-certified in internal medicine by the American Boards of Internal Medicine and in endocrinology and metabolism by the American Boards of Internal Medicine. His research interests include thyroid disease and thyroid cancer.

Richa Bhattari, MD
Richa Bhattarai, MD

Dr. Bhattarai graduated from the University of Punjab Fatima Jinnah Medical College in 2008 and completed her residency in internal medicine at Yale University School of Medicine Danbury Hospital in 2016. She completed fellowship training in endocrinology, diabetes and metabolism here at the University of Arizona College of Medicine – Phoenix. She has authored several abstracts and case reports on endocrinology-related topics. She is clinical assistant professor of Internal Medicine at the college. She is board-certified in internal medicine and in endocrinology, diabetes and metabolism.

Rong Rong Guo, MD
Rong Rong Guo, MD, PhD

Dr. Guo joined the Division of Endocrinology at the college as an associate professor of Internal Medicine in 2019. She received her medical degree from Shenyang Medical College, China, in 1992 and earned a PhD in Human Genetics from The University of Hong Kong in 2005. After graduation, she joined Phoenix Epidemiology and Clinical Research Branch, National Institutes of Health as a postdoctoral research fellow, studying genetics of T2DM and obesity. She then did her residency training at St. John’s Episcopal Hospital of SUNY Downstate Medical Center, followed by an endocrinology Fellowship at McGaw Medical Center, Northwestern University, Chicago.

Sathya G. Jyothinagaram, MD
Sathya G. Jyothinagaram, MD

Dr. Jyothinagaram is director of Inpatient Diabetes and Endocrine programs at the Institute of Diabetes and Endocrinology at Banner – University Medical Center Phoenix and a clinical professor of Internal Medicine at the college. He joined UA and Banner Health in 2013. He graduated from Kasturba Medical College, Manipal at Mysore University, India and completed training in general medicine, endocrinology/diabetes at the University of Edinburgh affiliated hospitals. He did a research fellowship in hypertension at Western General Hospital, University of Edinburgh and came to Boston University on an NIH fellowship.

Aditi Kumar, MD
Aditi Kumar, MD

Dr. Kumar joined the Division of Endocrinology at the college as an assistant professor of Internal Medicine in 2019. She received her medical degree from JN Medical College, India in 2009. She did her residency in internal medicine at Mount Auburn Hospital/Harvard Medical School from 2010–2013 and completed an endocrinology fellowship at Mayo Clinic, Rochester in 2015 and at the University of Mississippi Medical Center in 2016. Before joining the college, Dr. Kumar worked as an assistant professor of Medicine and associate program director of the Endocrinology Fellowship at the Medical College of Wisconsin.

Philip Levy, MD
Philip Levy, MD

Dr. Levy is a clinical professor of Internal Medicine at the college. He received his BS and MD from the University of Pittsburgh. He interned and completed his residency in internal medicine and spent three years as an endocrine fellow at Michael Reese Hospital in Chicago, Illinois. He was then a research fellow at Guy’s Hospital Medical School in London, England. Dr. Levy is board-certified in internal medicine, metabolism and endocrinology, as well as nuclear medicine. Dr. Levy has been practicing endocrinology in Phoenix, Arizona since 1962. He has participated in many clinical trials and lectured both nationally and internationally. He has been a member of Banner – University Medical Group since 2011.