John T Mather Memorial Hospital of Port Jefferson is a private non-profit acute care hospital in Port Jefferson, New York, at 75 North Country Road. It runs an emergency department. Medicare's overall hospital rating for it is 5 out of 5 stars. Listed here are the doctors and other clinicians on ProVerdicts whose Medicare records show an affiliation with John T Mather Memorial Hospital of Port Jefferson — open any profile to see where they see patients and what people say about them.