Dr. Sullivan completed his medical education at Lake Erie College of Osteopathic Medicine - Bradenton. He is board-certified in Internal Medicine and completed his residency at Kent Hospital, where he was chief resident. He is a core faculty member of the Kent Hospital/ Brown University Internal Medicine Residency Program. He is a Clinical Instructor at The Warren Alpert Medical School of Brown University. He is also an Assistant Clinical Professor at University of New England College of Osteopathic Medicine.