Dr. Dennis Gabos

Sam A. Buffer, Jr., MD, is a cardiologist and is certified in cardiovascular disease by the American Board of Internal Medicine. He is vice-chairman of the Cardiovascular Department at UPMC Passavant and is an assistant professor of Medicine at the University of Pittsburgh School of Medicine. He received his medical degree from the University of Pittsburgh School of Medicine and completed his residency at the University of Pennsylvania. He completed fellowships in cardiovascular disease at the University of Pennsylvania Johns Hopkins University. Dr. Buffer joined the UPMC Heart and Vascular Institute in 1995. His clinical interests include clinical cardiology and cardiac imaging. Dr. Buffer has published research about cardiac imaging and clinical cardiology and is a fellow of the American College of Cardiology. He is board certified in cardiovascular disease, echocardiography, and nuclear cardiology. He is a past recipient of the Excellence in Patient Experience Award. He is dedicated to providing quality cardiovascular care to his patients and educating medical students and training physicians. Dr. Buffer is rated as an Advanced provider by MediFind in the treatment of Atrial Myxoma. His top areas of expertise are Heart Failure with Preserved Ejection Fraction (HFpEF), Coronary Heart Disease, Atherosclerosis, and Atrial Fibrillation.

Robert Biederman is a Cardiologist in Pittsburgh, Pennsylvania. Dr. Biederman is rated as an Experienced provider by MediFind in the treatment of Atrial Myxoma. His top areas of expertise are Heart Tumor, Atrial Myxoma, Endocarditis, and Mitral Valve Regurgitation.

John R. Ward, DO, is a cardiologist and is board certified in Internal Medicine by the American Board of Osteopathic Medicine and in Cardiovascular Diseases by the American Board of Internal Medicine. He is Vice Chair of Internal Medicine at UPMC Mercy and is a Clinical Assistant Professor of Medicine at the University of Pittsburgh School of Medicine. Dr. Ward received his medical degree from Philadelphia College of Osteopathic Medicine and completed his internal medicine residency at Allegheny General Hospital followed by his cardiology fellowship at UPMC Shadyside. Dr. Ward is rated as an Experienced provider by MediFind in the treatment of Atrial Myxoma. His top areas of expertise are Infective Endocarditis, Endocarditis, Atrial Fibrillation, and Ectopic Heartbeat.