List of Quest Diagnostics Stores in Pleasanton, CA Outlet Note Regular Brands Quest Diagnostics California Pleasanton Rating 4.7 based on 66 votes Products STD Testing Clinical Laboratory Services Drug Test Blood Test NameAddressPhone Name/Address/Phone Quest Diagnostics outlet - Pleasanton 1439 Cedarwood Ln, Ste C (925) 462-7465 Quest Diagnostics outlet - Pleasanton 5720 Stoneridge Mall Rd, Ste 110 (925) 227-0180 People Also Viewed