Dr. Nagel is a graduate of the University of Pennsylvania School of Medicine and has completed his internal medicine training at the University of Minnesota. He completed advanced training in gastroenterology at the University of Illinois and fellowships at the American College of Physicians and the American College of Gastroenterology. He is currently an assistant professor of clinical medicine at the University of Illinois Medical School and is on the executive committee at that hospital. Dr. Nagel serves as chairman of endoscopy at Good Shepherd Hospital and is board certified in both internal medicine and gastroenterology.