List of Quest Diagnostics Stores in Brentwood, CA Outlet Note Regular Brands Quest Diagnostics California Brentwood Rating 4.7 based on 66 votes Products STD Testing Clinical Laboratory Services Drug Test Blood Test NameAddressPhone Name/Address/Phone Quest Diagnostics outlet - Brentwood 1181 Central Blvd, Ste C (925) 516-4900 People Also Viewed