After completing medical school at Emory University School of Medicine, he performed his residency at Massachusetts General Hospital. His areas of clinical interest consist of carotid artery disease, varicose veins, and venous insufficiency. Anthem, Blue Cross/Blue Shield, and Coventry are among the insurance carriers that Dr. Lancaster accepts. Dr. Lancaster is affiliated with Massachusetts General Hospital, Newton-Wellesley Hospital, and Southern New Hampshire Medical Center. He welcomes new patients.