Lisa Maragakis, M.D., M.P.H., FSHEA, FIDSA, is a professor of medicine and epidemiology at Johns Hopkins...

Dr. Arik Marcell is a tenured professor of pediatrics at the Johns Hopkins University School of Medicine....

Dr. Joseph B. Margolick holds a joint appointment in medicine at the Johns Hopkins University School of...

Dr. Seth Shatkin Margolis is an Associate Professor in the Sol Snyder Department of Neuroscience at the...

Asa Margolis, D.O., M.P.H., began his career in medicine as a prehospital provider over a decade ago. He...

Dr. Russell L. Margolis is Professor of Psychiatry and Neurology in the Department of Psychiatry and...

Joseph Marine, MD, MBA, FACC, FHRS, is a clinical cardiac electrophysiologist who practices primarily at the...

Dr. Lynette Mark is an associate professor of anesthesiology and critical care medicine and otolaryngology...

Dr. Mark Markowski is a medical oncologist at the Kimmel Cancer Center at Sibley Memorial Hospital, as well...

Dr. Kristen Marrone is a thoracic medical oncology specialist in Baltimore, caring for patients with lung...

Dr. Elisabeth Marsh's clinical interest is in cerebrovascular neurology, and her clinical research focuses...

Dr. Catherine Marshall is an Associate Professor in the Department of Oncology and Co-Director of the...

Dawn Marsiglia, M.A., CCC-A/SLP, earned her master’s degree from The Ohio State University. She...

Rebecca Martin, M.D., joined Kennedy Krieger Institute in 2005 as a senior occupational therapist in the...

I spent my undergraduate years at the University of Virginia in Charlottesville, VA. After leaving...

Dr. Lee J. Martin is a professor of Pathology in the Division of Neuropathology at the Johns Hopkins...

Dr. Seth Martin is a Professor in the Division of Cardiology, specializing in preventive cardiology,...

Dr. Keith Martin is an Assistant Professor of Pediatrics at the Johns Hopkins University School of...

Dr. Kristin Martin is a staff physician of general Gynecology and Obstetrics at the Johns Hopkins Medicine....

Dr. Marvel received her undergraduate degree from the University of Virginia, graduating with honors, and...

Dr. Marvel's current research focuses on the neurological consequences of chronic conditions, including...

Dr. Mark Marzinke is Professor of Pathology and Medicine at the Johns Hopkins University School of...

Dr. Courtney Masear is an assistant professor of anesthesiology and critical care medicine at the Johns...

Stephen C. Mathai, MD, MHS is an Associate Professor of Medicine and part of the Johns Hopkins Pulmonary...

Debra JH Mathews, Ph.D., M.A., is the Assistant Director for Science Programs for the Johns Hopkins Berman...

Lena Mathews specializes in general cardiology and echocardiography. She received her medical degree from...

Dr. Mathioudakis, an endocrinologist and researcher, has a strong focus on diabetes management and patient...

Dr. Vineesh Mathur is an assistant professor of anesthesiology and critical care medicine at the Johns...

Aarti Mathur, M.D., FACS, is an experienced, fellowship-trained endocrine surgeon in the Johns Hopkins...

Dr. Rohan Mathur is a neurologist and neurocritical care physician at Johns Hopkins Hospital and Johns...

Dr. Brian Matlaga is a Professor of Urology at Johns Hopkins University School of Medicine and also is the...

Dr. Andrés Matoso, MD, is a Professor of Pathology, Urology, and Oncology at Johns Hopkins University...

Dr. Kunihiro Matsushita is a professor of medicine at the Johns Hopkins University School of Medicine. His...

Dr. Erika Matunis is a professor of cell biology at the Johns Hopkins University School of Medicine. Her...

Dr. R. Samuel Mayer is an associate professor of physical medicine and rehabilitation at the Johns Hopkins...

Dr. Janielle P. Maynard is an Assistant Professor of Pathology and Oncology at the Johns Hopkins University...

Dr. Benjamin Mazer is an assistant professor of pathology. He has clinical expertise in general surgical...

Dr. Justin McArthur is nationally and internationally recognized for his work in studying the natural...

Dr. Andrew McCallion is a Professor at the Johns Hopkins University School of Medicine in the McKusick-...

Dr. Una McCann is a psychiatric specialist in Baltimore, caring for patients with anxiety disorders,...

Dr. Eric McCollum is a pediatric pulmonologist at the Johns Hopkins School of Medicine.  He has expertise in...

Dr. McCormack is a pulmonary, critical care physician and Associate Director of the Pulmonary & Critical...