A to Z Profiles Directory

Dr. Onyike is specialized in neuropsychiatry and focuses on the care of individuals who have neurodegenerative dementias. His practice focuses on conditions that develop in midlife or earlier, including frontotemporal dementias, young-onset Alzheimer...

Dr. Ana-Maria Orbai is an Assistant Professor of Medicine in the Division of Rheumatology at the Johns Hopkins University School of Medicine. Her areas of clinical expertise include rheumatology and psoriatic arthritis.Dr. Orbai earned her M.D. from ...

Dr. Jonathan Orens is a professor of medicine at the Johns Hopkins University School of Medicine. His areas of clinical expertise include pulmonary and critical care medicine. He is an internationally recognized expert in lung transplantation.Dr. Ore...

Dr. O'Rourke is an assistant professor in the Department of Medicine at the Johns Hopkins University School of Medicine.  He completed his undergraduate and medical school education at the University of Florida followed by residency training in ...

Dr. Osborne graduated from Weill Cornell Medical College and received her training at Columbia University/New York State Psychiatric Institute. She completed both clinical and research fellowships in women's mental health, and is an expert on the dia...

Dr. Greg Osgood is an assistant professor of orthopaedic surgery at the Johns Hopkins School of Medicine and Chief of Orthopaedic Trauma for the Department of Orthopaedic Surgery. His areas of expertise include orthopaedic trauma, with a special focu...

Dr. Oshima is a hepatobiliary and gastrointestinal pathologist and the director of the Johns Hopkins Liver Pathology Service.