Dr. Robert Marshall

Dr. Flyer has been practicing cardiology since 1997. He specializes in interventional cardiology, the branch of cardiology that uses catheter-based technology to treat heart disorders. Dr.Flyer also practices general cardiology, and has expertise in echocardiography and nuclear cardiology. He is a Clinical Assistant Professor at George Washington University School of Medicine, teaching medical students cardiology. In 2008, Dr. Flyer began serving as the Vice Chairman of the American Heart Association Gala Committee. Dr. Flyer currently has privileges at the following hospitals: Suburban Hospital, Bethesda, Maryland Sibley Memorial Hospital, Washington, D.C. The Washington Hospital Center, Washington, D.C. Holy Cross Hospital, Silver Spring, Maryland Washington County Hospital, Hagerstown, Maryland. Dr. Flyer is rated as a Distinguished provider by MediFind in the treatment of Mitral Valve Prolapse. His top areas of expertise are Mitral Valve Prolapse, Coronary Heart Disease, Atherosclerosis, Atrial Fibrillation, and Pacemaker Implantation.

Seyed Hashemi is a Cardiologist in Woodbridge, Virginia. Dr. Hashemi is rated as a Distinguished provider by MediFind in the treatment of Mitral Valve Prolapse. His top areas of expertise are Metabolic Syndrome, Necrosis, Stable Angina, and Angina.

Richard E. Rubin, M.D., is the chief of cardiology at Sibley Memorial Hospital, the chairman for Sibley's Department of Medicine and a member of the Sibley Medical Executive Committee. Dr. Rubin is also a member of the Suburban Hospital Medical Executive Committee. In addition to general cardiology, Dr. Rubin has expertise in arrhythmias, cardiomyopathy, cardiovascular disease, chest pain, complications of diabetes, diagnostic cardiology, echocardiography, heart failure, hyperlipidemia, hypertension, interdisciplinary medicine, nuclear cardiology, pacemakers, preventive cardiology, stress tests and valve disease. Dr. Rubin earned his medical degree from Johns Hopkins University School of Medicine. He completed a residency in internal medicine and fellowship in cardiology at Georgetown University School of Medicine, where he now serves as a clinical assistant professor of medicine. Dr. Rubin has also completed the Johns Hopkins Leadership Development Program. At Sibley Memorial Hospital, Dr. Rubin also serves as the chairman for the Department of Medicine Peer Review Committee, a physician advisor for the cardiology service line, a chairman for the Emergency Department Committee, a physician advisor for case coordination, a chairman for the Clinical Resources Management Committee, a member of the Code Blue Committee, and a member of the Pharmacy and Therapeutics Committee. Dr. Rubin is a fellow of the American College of Cardiology, as well as a member of the American College of Physicians, the American Medical Association, the District of Columbia Medical Society, the Montgomery County Medical Society and the American Heart Association. Dr. Rubin has been named a Top Doctor by Washingtonian Magazine and Consumers' Checkbook, as well as a Regional Top Doctor for Washington, D.C., Baltimore and Washington-Baltimore areas by Castle Connolly. Dr. Rubin has conducted research on acute myocardial ischemia and cardiopulmonary resuscitation, as well as with the Special Action Office for Drug Abuse Prevention with Johns Hopkins Bloomberg School of Public Health. Dr. Rubin is rated as an Advanced provider by MediFind in the treatment of Mitral Valve Prolapse. His top areas of expertise are Mitral Valve Prolapse, Familial Neurocardiogenic Syncope, Fainting, and Atrial Fibrillation.