Dr. James V. Hennessey, M.D. specializes in Endocrinology, Diabetes & Metabolism, with an emphasis on thyroid disease. Dr. Hennessey is a Harvard Medical Faculty Physician (HMFP) at Beth Israel Deaconess Medical Center and an Associate Professor at Harvard Medical School. Dr. Hennessey completed his fellowship at Walter Reed Army Medical Center in Endocrinology in 1985, and his internship/residency in at New Britain General Hospital in Medicine, in 1981. He completed medical school at the University of Graz, Austria in 1977. Dr. Hennessey practices at both BIDMC and BID–Needham, where he heads the Endocrinology practice and oversees the Thyroid Nodule Clinic in Needham. He is certified by the American Board of Internal Medicine.