Dr. Robert W. Schuman is board-certified in gastroenterology and hepatology, which is the study of the liver, gallbladder and pancreas. He practices at the Affiliates in Gastroenterology in West Orange. He received his M.D. from the Duke University School of Medicine and completed his residency and fellowship in gastroenterology at Cornell University Medical Center, The New York Hospital and Sloan-Kettering Cancer Center.