William Timothy Halligan, MD

Joseph A. Manfredi, MD, FACC, FHRS, is a board-certified electrophysiologist who has been in practice with Prisma Health since 2015 and in the Upstate for more than 13 years. After completing his undergraduate studies at the University of Georgia in Athens, Dr. Manfredi received his medical degree from Thomas Jefferson University in Philadelphia. He completed a fellowship in cardiology at the University of Kentucky in Lexington, and completed his electrophysiology training at St. Vincent's Care Group in Indianapolis. Manfredi specializes in device-based arrhythmia therapy and complex arrhythmia ablations. He is married with two daughters and enjoys his family time, golf and University of Georgia football.

Jason Guichard, MD, PhD, is a cardiologist with special interests including cardiovascular disease, advanced heart failure, pulmonary hypertension, and mechanical circulatory support. Dr. Guichard earned his medical degree and his PhD from the Medical University of South Carolina in Charleston, South Carolina. He completed a residency in internal medicine at the University of Alabama at Birmingham in Birmingham, Alabama. He also completed two fellowships at the University of Alabama at Birmingham: one in cardiovascular disease and the other in advanced heart failure and transplant cardiology. Dr. Guichard is board certified by the American Board of Internal Medicine in the following three areas: internal medicine, cardiovascular disease, and advanced heart failure and transplant cardiology. He is also board certified in adult comprehensive echocardiography from the National Board of Echocardiography and in nuclear cardiology from the Certification Board of Nuclear Cardiology. Dr. Guichard is a member in the following professional associations: Alpha Omega Alpha Honor Medical Society, American College of Cardiology, Heart Failure Society of America, Pulmonary Hypertension Association, Extracorporeal Life Support Organization, International Society for Heart and Lung Transplantation, and the American Society of Transplantation.

Dr. Vaz earned his medical degree from Seth G.S. Medical College in Mumbai, India. He completed his internal medicine residency at Indiana University School of Medicine in Indianapolis. Dr. Vaz completed a clinical fellowship in cardiac imaging at Massachusetts General Hospital, and a cardiology fellowship at the Krannert Institute of Cardiology at Indiana University School of Medicine. He is a Fellow of the American College of Cardiology. He is board certified in Cardiovascular Diseases, Nuclear Cardiology, and Internal Medicine, and his special interests include heart failure, preventive cardiology, and cardiac imaging.