Doctor James L. Stammer, MD works in the field of Gastroenterology. He graduated from Rutgers New Jersey Medical School. Rutgers New Jersey Medical School is ranked 76/0 in Research/PrimaryCare. Dr. James L. Stammer is a published physician as well. He has 5 publications published. The latest was: Lithotripsy for retained common duct stones: a quasi-urological procedure.