Dr Schub is board certified by the American Board of Internal Medicine in both Internal Medicine and Gastroenterology. Dr Schub completed his fellowship training in gastroenterology at Johns Hopkins University School of Medicine and Bayview Medical Center in Baltimore, MD. He completed his undergraduate studies in Biology at Muhlenberg College in Allentown, Pennsylvania. He received his medical degree from the New York College of Osteopathic Medicine. He completed an internship and residency in internal medicine at Coney Island Hospital in Brooklyn, NY. Dr Schub has served as an Associate Professor of Medicine at the Uniform Services University of the Health Sciences.