List of Quest Diagnostics Stores in Fontana, CA Outlet Note Regular Brands Quest Diagnostics California Fontana Rating 4.7 based on 66 votes Products STD Testing Clinical Laboratory Services Drug Test Blood Test NameAddressPhone Name/Address/Phone Quest Diagnostics outlet - Fontana 17051 Sierra Lakes Pkwy, Ste 250 (909) 355-3310 People Also Viewed