Hospitals & Clinics go Results Found: 3 Button group with nested dropdown Gold San Simeon by the Sound 61700 Rt 48 Greenport NY 11944 (631) 477-2110 Stony Brook Eastern Long Island Hospi... Stony Brook Eastern Long Island Hospital 201 Manor Place Greenport NY 11944 Northwell Health Northwell Health 1300 Roanoke Avenue Riverhead NY 11901 (631) 548-6000