Mount Sinai Doctors Long Island has offices in Greenlawn, Nesconset, Commack and Bay Shore. Offices previously located in Huntington at 325 Park Avenue, 120 New York Avenue, and 775 Park Avenue, have relocated to Greenlawn. The specialties available at each location are listed below, along with the physicians practicing there. Primary care and many specialties are available at multiple locations. Click on the location you are interested in visiting for more information.