Dr. Sunder Rao

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 Heart Bypass Surgery. His top areas of expertise are Pulmonary Embolism, Acute Coronary Syndrome, Heart Attack, Percutaneous Coronary Intervention (PCI), and Aortic Valve Replacement.

Krishna Kancharla, MD, is a cardiologist certified in clinical cardiac electrophysiology, cardiovascular diseases, and internal medicine by the American Board of Internal Medicine. He is a cardiac electrophysiologist at the UPMC Heart and Vascular Institute and is an assistant professor of medicine at the University of Pittsburgh School of Medicine. He received his medical degree from Osmania Medical College, India. He completed his residency at Georgetown University Hospital/Medstar Washington Hospital, DC, followed by his fellowship in cardiac electrophysiology at Mayo Clinic, Rochester, MN. Dr. Kancharla joined the UPMC Heart and Vascular Institute in 2017. His clinical interests include medical and catheter ablation-based management of heart rhythm conditions such as atrial fibrillation, supraventricular tachycardia, and ventricular arrhythmias with minimal or no fluoroscopic radiation. Dr. Kancharla’s interests also include the management of patients with slow heart rhythms and heart failure utilizing cardiac devices such as a defibrillator, pacemaker, and the His bundle type pacemaker. Dr. Kancharla has over 30 publications in peer-reviewed medical journals and textbooks. He serves as a reviewer for various heart rhythm medical journals. He is a member of the Heart Rhythm Society (HRS), American College of Cardiology (ACC), and American Heart Association (AHA). View Dr. Kancharla's full list of publications from PubMed. Dr. Kancharla is rated as a Distinguished provider by MediFind in Heart Bypass Surgery. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Ventricular Tachycardia, Cardiac Ablation, and Coronary Artery Bypass Graft (CABG).

Oscar Marroquin is a Cardiologist in Pittsburgh, Pennsylvania. Dr. Marroquin is rated as an Advanced provider by MediFind in Heart Bypass Surgery. His top areas of expertise are Coronary Heart Disease, Heart Attack, Retinopathy Pigmentary Mental Retardation, Percutaneous Coronary Intervention (PCI), and Heart Bypass Surgery.