Harbor View Medical Services (HVMS), PC, based on Long Island, NY, is a wholly-owned, non-profit physician practice of John T. Mather Memorial Hospital that offers a full healthcare spectrum of primary care, internal medicine and specialty care services. Our physicians practice in a patient-centered medical home environment and use population health management techniques. Our board certified medical physicians are trained in cardiology, endocrinology, family and internal medicine, neurology, and rheumatology and vascular surgery. Harbor View Medical Services provides up-to-date diagnostic and therapeutic services using the most innovative technology available. We have offices in East Setauket, Port Jefferson, Rocky Point, and Stony Brook.