Julia Minjung Kim, MD

Dr. Amteshwar Singh is an Assistant Professor of Medicine at the Johns Hopkins University School of Medicine. His clinical expertise is in internal medicine (Hospital Medicine).Dr. Singh serves as the Director of Medical Education for the Division of Hospital Medicine (CIMS), Department of Medicine at Johns Hopkins Bayview Medical Center. He also serves as the director of Medicine sub-internship for JHBMC-Hospitalist service and associate program director of the Academic Hospital Medicine Fellowship at JHBMC. His teaching interests include hypothesis-driven physical examination and Point-of-Care Ultrasound (POCUS). His research interests include competency-based assessment models for advanced practice provider hospitalists and pedagogy of diagnostic reasoning. His administrative work is focused on hospital medicine operations and the examination of early career hospitalist recruitment practices.He earned his M.B.B.S. from Government Medical College, Amritsar (India), and completed his residency at the Johns Hopkins University - Sinai Hospital Program. He then completed a Master of Education (M.Ed.) degree from Johns Hopkins School of Education with his capstone work in psychometric analysis and Messick’s validity framework application to a novel APP assessment instrument, created by his team of education researchers. He is an elected Fellow of the American College of Physicians (FACP).

David Newman-Toker, M.D., Ph.D., is an internationally recognized leader in neuro-otology, acute stroke diagnosis, and diagnostic errors research. He completed his undergraduate studies at Yale University, his medical degree at University of Pennsylvania, his residency training and neuro-ophthalmology fellowship at Harvard University, his neuro-otology fellowship at Johns Hopkins University School of Medicine, and his doctoral degree in clinical research methods at the Johns Hopkins Bloomberg School of Public Health. He has served as a full-time faculty member at the Johns Hopkins University School of Medicine since 2002. He is the David Robinson Professor of Vestibular Neurology and also holds appointments in Otolaryngology, Ophthalmology, Emergency Medicine, Acute Care Nursing, Health Sciences Informatics, Epidemiology, and Health Policy & Management at Johns Hopkins.   Dr. Newman-Toker is a bedside-to-populations translational researcher, with a focus on eliminating diagnostic errors and achieving diagnostic excellence. He is a leader in the national and international movements to eliminate patient harms from diagnostic error. Dr. Newman-Toker’s clinical focus is on diagnosis of acute disorders affecting the brainstem and cranial nerves, particularly stroke. He is recognized for his research in novel eye-movement-based bedside methods for diagnosing stroke in patients with acute dizziness and vertigo in the emergency department and, in 2024, won the international Bárány Society’s Hallpike-Nylén Prize for clinical research achievement. Dr. Newman-Toker serves as director of the Division of Neuro-Visual & Vestibular Disorders in the Department of Neurology. He also directs the Armstrong Institute Center for Diagnostic Excellence, whose mission is to catalyze efforts to improve diagnostic performance, develop the science of diagnostic safety, and enhance diagnostic research. He has been the principal investigator on numerous National Institutes of Health, Agency for Healthcare Research and Quality (AHRQ), and foundation grants. He has published over 165 journal articles and given more than 300 invited lectures. He has served as an expert consultant on diagnostic safety and quality to AHRQ, the National Quality Forum, and the National Academy of Medicine. He has testified before Congress on the use of artificial intelligence for medical diagnosis. He was president of the Society to Improve Diagnosis in Medicine from 2018-2020.

Dr. Alicia Arbaje is Associate Professor of Medicine at the Johns Hopkins University School of Medicine. Her areas of clinical expertise include general internal medicine and geriatric medicine, with a particular interest in helping older adults stay at home as they age and working with a team to coordinate care for her older patients. Dr. Arbaje serves as the Director of Transitional Care Research at Johns Hopkins.After receiving her medical degree from Yale University School of Medicine and a masters degree in public health from Harvard University, Dr. Arbaje completed her residency in internal medicine at Yale-New Haven Hospital. She performed fellowships in health care research and geriatric medicine and gerontology at Johns Hopkins. Her research interests include designing health care systems to enhance safety and improve outcomes for older adults.Dr. Arbaje is a member of the American Geriatrics Society, the Human Factors and Ergonomics Society, and the Gerontological Society of America. At Johns Hopkins, she was a founding member of the Hopkins Organization for Latino Awareness (HOLA) and is a member of the Department of Medicine Diversity Council. Dr. Arbaje is active in speaking to the media about issues relevant to older adults (see her YouTube channel). She has been recognized with numerous awards, including the Top 10 Doctors Under 40 by the Baltimore Sun Magazine and the American Geriatrics Society New Investigator Award.