List of Quest Diagnostics Stores in Port Washington, NY Outlet Note Regular Brands Quest Diagnostics New York Port Washington Rating 4.7 based on 66 votes Products STD Testing Clinical Laboratory Services Drug Test Blood Test NameAddressPhone Name/Address/Phone Quest Diagnostics outlet - Port Washington 14 Vanderventer Ave, Ste 105 (516) 677-7714 Quest Diagnostics outlet - Port Washington 535 Port Washington Blvd, #202 (516) 677-7714 People Also Viewed