Division of Endocrinology - Faculty

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.

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.

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

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.