His clinical interests encompass general orthopedics. Fallon Community Health Plan (FCHP), Cigna, and Aetna are among the insurance carriers that Dr. Gilligan takes. Dr. Gilligan's education and training includes medical school at Brown University, Alpert Medical School and residency at a hospital affiliated with Stony Brook University Medical Center. Dr. Gilligan (or staff) speaks Spanish and French. Dr. Gilligan is professionally affiliated with Beverly Hospital and NSMC Salem Hospital. He has an open panel.