Information on GNC in Shirley, NY 11967 Outlet Note Regular Brands GNC New York Shirley 329863 Rating 4.7 based on 97 votes Address 403 William Floyd Parkway Shirley, NY 11967 Phone Hours may vary in different stores. For accurate hours, please contact each store directly. Suite643 Hours may vary in different stores. For accurate hours, please contact each store directly. Nearby GNC Outlet GNC Outlet - Baldwin GNC Outlet - Albertson GNC Outlet - Auburndale GNC Outlet - Ardsley People Also Viewed