Pain Management Center of Long Island’s (PMCLI’s) offices are conveniently located in Rockville Centre, and Great Neck in Nassau County, Long Island, New York, and in Port Jefferson and Commack, in Suffolk County, Long Island, New York. Let us help to put you on the path to a better quality of life. Call to make an appointment with one of our doctors or specialists at (516) 764-PAIN or (631) 331-PAIN.