Dr. Hallman completed his Internal Medicine residency at Brown University in Providence, R.I., and his Gastroenterology fellowship at the State University of New York-Buffalo. He earned a bachelor's degree in Biology from the University of Michigan and attended medical school at Wayne State University in Detroit, graduating in 2006. Dr. Hallman is board certified in Internal Medicine and Gastroenterology and is a member of the American Gastroenterological Association as well as the American College of Gastroenterology.