Dr. Stephen O. Courtin

Dr. Halima Amjad is an Associate Professor of Medicine at the Johns Hopkins University School of Medicine. Her clinical expertise in geriatric medicine focuses on the diagnosis, treatment, and care for individuals living with dementia. Dr. Amjad earned her M.D. and Master’s of Public Health from Drexel University. She completed her residency and chief residency in internal medicine at Yale-New Haven Hospital and a fellowship in geriatric medicine and gerontology at Johns Hopkins University School of Medicine. She joined the faculty of Johns Hopkins in 2016. She completed a PhD in Clinical Investigation at the Johns Hopkins University Bloomberg School of Public Health in 2022. She conducts health services research focuses on informing and improving the care of older adults with dementia with research into underdiagnosis, hospitalization, and primary care in dementia. Recent News Articles and Media Coverage Doyle K. Older adults with probable dementia often take part in unsafe activities. Reuters, June 3, 2016 Many people who have dementia don’t know it. Here’s who’s most at risk, The Philadelphia Inquirer, July 23, 2018 With cognitive impairment, older adults struggle with — and face risks from — smartphones, computers. Washington Post, (October 13, 2019). Dr. Amjad is rated as an Advanced provider by MediFind in the treatment of Frontotemporal Dementia. Her top areas of expertise are Dementia, Alzheimer's Disease, Cerebellar Degeneration, and Frontotemporal Dementia.

Mfon Umoh, M.D., Ph.D., is an Assistant Professor in the Division of Geriatric Medicine and Gerontology. Her clinical expertise in geriatric medicine focuses on the diagnosis, treatment, and care for individuals living with dementia and older adults experiencing cognitive decline. Dr. Umoh earned her MD and PhD in Neuroscience from Emory University. She completed her residency in Internal Medicine at Johns Hopkins Bayview Medical Center and her fellowship in Geriatric Medicine at Johns Hopkins University School of Medicine. Dr. Umoh is a K12 Clinical Research Scholar, and a Sarah Miller Coulson Center for Innovative Medicine Human Aging Project and Next Generation Scholar. Her clinical work, research, and teaching centers on improving cognitive outcomes for older adults. Her research focuses on examining biological and social contextual factors that contribute to poor cognitive outcomes for older adults. The goal of her work is to inform clinical care and interventions focused on modifiable risk factors associated with cognitive decline and dementia. Dr. Umoh is rated as an Advanced provider by MediFind in the treatment of Frontotemporal Dementia. Her top areas of expertise are Amyotrophic Lateral Sclerosis (ALS or Lou Gehrig's Disease), Primary Lateral Sclerosis, Dementia, and Frontotemporal Dementia.

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 rated as a Distinguished provider by MediFind in the treatment of Frontotemporal Dementia. Her top areas of expertise are Delirium, Alzheimer's Disease, Dementia, Deep Brain Stimulation, and Liver Transplant.