Dr. John J. Mast

Robert Pearlstein is a primary care provider, practicing in Geriatrics and Internal Medicine in Plymouth Meeting, Pennsylvania. Dr. Pearlstein is highly rated in 180 conditions, according to our data. His top areas of expertise are Dementia, Alzheimer's Disease, Swallowing Difficulty, Gastrostomy, and Endoscopy.

Rajesh Agarwal is a primary care provider, practicing in Geriatrics and Internal Medicine in York, Pennsylvania. Dr. Agarwal is highly rated in 12 conditions, according to our data. His top areas of expertise are Bullae, Allergic Bronchopulmonary Aspergillosis, Diabetic Neuropathy, and End-Stage Renal Disease (ESRD).

Dr. Esther Oh is a Professor of Medicine, Psychiatry and Behavioral Sciences and Pathology at the Johns Hopkins University School of Medicine. Her areas of clinical expertise is in evaluation and management of memory disorders. She has an extensive experience in evaluating memory disorders in older adults with multiple chronic diseases, and takes and integrative approach in the treatment of memory disorders. Dr. Oh also serves as the co-director of the Johns Hopkins Memory and Alzheimer’s Treatment Center. Dr. Oh earned her M.D. from the UHS/Chicago Medical School. She completed her residency in internal medicine at the University of Illinois at Chicago where she was a chief resident. She completed a fellowship in geriatric medicine and gerontology at Johns Hopkins University School of Medicine, and received her Ph.D. from the Johns Hopkins Bloomberg School of Public Health. Dr. Oh has received numerous awards including the Merck New Investigator Award, AFAR New Investigator Award in Alzheimer’s disease, and the Johns Hopkins Clinical Research Scholars Award. She is also a recipient of several major grants from the National Institute on Aging (NIA). She has also been honored for her teaching by Excellence in Teaching Award in the Division of Geriatric Medicine and Gerontology in 2013 and 2017. Dr. Oh’s research is primarily focused on Alzheimer’s disease and related disorders. Her current projects include: development of biomarkers for detecting early stages of Alzheimer’s disease; understanding the interrelationship between delirium and Alzheimer’s disease; cognitive changes after surgery; and understanding the role of sensory problems (hearing and vestibular function) in Alzheimer’s disease. Dr. Oh is highly rated in 7 conditions, according to our data. Her top areas of expertise are Delirium, Alzheimer's Disease, Dementia, Deep Brain Stimulation, and Liver Transplant.