Dr. Oscar C. Marroquin

Catalin Toma, MD, is an interventional cardiologist and is certified in cardiovascular disease and interventional cardiology by the American Board of Internal Medicine. He currently serves as director of interventional cardiology for the Heart and Vascular Institute and director of the Interventional Fellowship at UPMC. He is an assistant professor of medicine at the University of Pittsburgh School of Medicine. He received his medical degree from Grigore T. Popa University of Medicine and Pharmacy in Iasi, Romania. Following a post-doctoral fellowship at Johns Hopkins in Baltimore, he completed an internal medicine residency at St. Luke’s Roosevelt Hospital Center in New York City and a fellowship in cardiovascular disease and interventional cardiology at UPMC. Dr. Toma joined the UPMC Heart and Vascular Institute in 2007. He currently leads the Chronic Total Occlusion Program as well as the Pulmonary Vascular Interventional Program at UPMC Presbyterian Hospital. He is an integral part of the Structural Heart Program with interests in the aortic and tricuspid space. Additional interests include intracoronary imaging and mechanical circulatory support. Dr. Toma has had an extensive amount of publications and presentations over his career, has several invention patents, and serves as a clinical study leader at local and national levels. View Dr. Toma's full list of publications from PubMed. Dr. Toma is rated as a Distinguished provider by MediFind in Stent Placement. His top areas of expertise are Pulmonary Embolism, Acute Coronary Syndrome, Heart Attack, Percutaneous Coronary Intervention (PCI), and Aortic Valve Replacement.

Joon Lee is a Cardiologist in Pittsburgh, Pennsylvania. Dr. Lee is rated as an Advanced provider by MediFind in Stent Placement. His top areas of expertise are Aortic Valve Stenosis, Coronary Heart Disease, Pulmonary Hypertension, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).

Sudarshan Balla is a Cardiologist in Morgantown, West Virginia. Dr. Balla is rated as a Distinguished provider by MediFind in Stent Placement. His top areas of expertise are Heart Attack, Endocarditis, Infective Endocarditis, Pacemaker Implantation, and Transcatheter Aortic Valve Replacement (TAVR). Dr. Balla is currently accepting new patients.