Dr. Robert Biederman

David Hoffman is a Cardiologist in Youngstown,, Ohio. Dr. Hoffman is rated as an Advanced provider by MediFind in the treatment of Sitosterolemia. His top areas of expertise are Atrial Fibrillation, Coronary Heart Disease, Atherosclerosis, Angina, and Pacemaker Implantation.

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 Sitosterolemia. His top areas of expertise are Heart Failure with Preserved Ejection Fraction (HFpEF), Coronary Heart Disease, Atherosclerosis, and Atrial Fibrillation.

Brendan Duffy is a Cardiologist in Minerva, Ohio. Dr. Duffy is rated as a Distinguished provider by MediFind in the treatment of Sitosterolemia. His top areas of expertise are Coronary Heart Disease, Atherosclerosis, Angina, Pacemaker Implantation, and Heart Bypass Surgery.