List of Quest Diagnostics Stores in Westminster, CA Outlet Note Regular Brands Quest Diagnostics California Westminster Rating 4.7 based on 66 votes Products STD Testing Clinical Laboratory Services Drug Test Blood Test NameAddressPhone Name/Address/Phone Quest Diagnostics outlet - Westminster 10362 Bolsa Ave (714) 775-7281 Quest Diagnostics outlet - Westminster 15355 Brookhurst St, Ste 102-108 (714) 418-0035 People Also Viewed