A member of our Internal Medicine Department, Dr. Gallagher is committed to enhancing the health and well-being of adult patients of all ages through excellent primary and preventative care. Dr. Gallagher received his medical degree in 1989 from the University of Chicago-Pritzker School of Medicine. He completed his Residency in Internal Medicine at Northwestern University. Dr. Gallagher is an Associate Member of the American College of Physicians. He is affiliated with Good Samaritan Hospital and Hinsdale Hospital.