Dr. Marc D. Hamburger

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. Newman is rated as a Distinguished provider by MediFind in the treatment of Vertigo. His top areas of expertise are Vertigo, Benign Paroxysmal Positional Vertigo, Stroke, and Brown Syndrome.

Neurotologist John Carey specializes in the health and diseases of the inner ear that affect both balance and hearing mechanisms. He is a national expert in superior canal dehiscence syndrome, Menière’s disease, vestibular migraine, acoustic neuromas and other causes of vertigo, and serves as chief of the Division of Otology, Neurotology and Skull Base Surgery in the Department of Otolaryngology–Head and Neck Surgery at the Johns Hopkins University School of Medicine. Dr. Carey earned a medical degree from Washington University School of Medicine and completed two years of training in general surgery at Virginia Mason Medical Center. This was followed by residency training in otolaryngology–head and neck surgery at University of Washington Medical Center and fellowship training in neurotology at the Johns Hopkins University School of Medicine. His research interests include superior canal dehiscence syndrome, Menière’s disease, vestibular implants, and the mechanisms of vestibular migraine. He has a particular interest in superior canal dehiscence syndrome, and, with Lloyd Minor, department director from 2003 to 2009, he helped develop the operation used to repair the superior canal. Dr. Carey has been funded by the National Institute on Deafness and Other Communication Disorders, part of the National Institutes of Health. He has authored or co-authored over 150 peer-reviewed publications, 10 book chapters, and 11 reviews. Dr. Carey is rated as an Elite provider by MediFind in the treatment of Vertigo. His top areas of expertise are Vertigo, Meniere Disease, Acoustic Neuroma, Mastoidectomy, and Endoscopy.

Dr. James G. Vap is an otolaryngologist affiliated with Sibley Memorial Hospital and Georgetown University Hospital. He practices out of ENT Medical Group of Washington, located in Washington, D.C. and McLean, Va. Dr. Vap has an expertise in otology, otolaryngic allergy, rhinology and sinus disease. Dr. Vap earned his medical degree at the University of California at Davis School of Medicine. He completed a residency in otolaryngology at Huntington Memorial Hospital and an otology fellowship at the University of Southern California School of Medicine. Dr. Vap previously served as a medical staff specialist at the National Naval Medical Center. Dr. Vap is a fellow of the American Academy of Otolaryngology and the American College of Surgeons. He has served as a consultant to the National Institutes of Health, the Walter Reed Army Medical Center and the Medical Advisory Board of the Treatment and Learning Center. Dr. Vap is rated as a Distinguished provider by MediFind in the treatment of Vertigo. His top areas of expertise are Common Cold, Meniere Disease, Tinnitus, and Empyema.