Dr. Tobin received his MD from Washington University School of Medicine in 1985 and completed training in internal medicine at Barnes Hospital in 1988 and a fellowship in Endocrinology and Metabolism in 1990. Dr. Tobin's medical career has subsequently focused on the delivery of care for a wide variety of diabetic patients and on the delivery of post graduate education. After completing his fellowship in endocrinology and metabolism at Washington University School of medicine, Dr. Tobin joined the Grant Medical Clinic in Midtown Saint Louis and was an adjunct clinical faculty at Washington University School of Medicine. He left the Grant Clinic to take the position as director of the Washington University School of Medicine Diabetes Center at Barnes Jewish Hospital in July 2006. Dr. Tobin's society memberships include the American College of Physicians, American Diabetes Association, and the American College of Endocrinology.