Jon Francis Lucas, MD

Will Halligan, MD, FACC, is originally from Spartanburg, South Carolina. He graduated from Wofford College, also in Spartanburg, and attended the Medical University of South Carolina in Charleston for medical school. He completed his internal medicine residency at the University of Virginia in Charlottesville and returned to MUSC for his cardiology fellowship training. Dr. Halligan is board certified in internal medicine and cardiology. He is a non-invasive cardiologist and sees patients with a wide variety of cardiovascular diseases. He has a special interest in health care quality improvement and patient safety. It is for this reason that he earned a master’s degree in business administration while in medical school. Halligan is excited to be back in the Upstate practicing cardiology. He is looking forward to building life-long relationships with patients in the area. An avid outdoorsman, he enjoys spending his free time fishing and at his family’s farm.

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.

Keith Lonergan, MD, is an orthopedic sports medicine physician who specializes in minimally invasive surgery, complex shoulder surgery and knee restoration procedures at Prisma Health in Greer, South Carolina. He also performs shoulder and knee replacement surgeries. Dr. Lonergan provides orthopedic coverage for local high schools. A graduate of Penn State College of Medicine in Hershey, Pennsylvania, he completed his residency in orthopedics at Tripler Army Medical Center in Honolulu, Hawaii. He completed fellowships in sports medicine at West Point and in joint and soft tissue trauma at the U.S. Army Institute of Surgical Research. During his tenure at Eisenhower Army Medical Center, he was chief of the sports medicine and shoulder service and the military's southeast regional consultant for sports medicine. As the chief of orthopedics, he deployed to Baghdad to perform orthopedic war surgeries, earning a Bronze Star.