List of Quest Diagnostics Stores in Ventura, CA Outlet Note Regular Brands Quest Diagnostics California Ventura Rating 4.7 based on 66 votes Products STD Testing Clinical Laboratory Services Drug Test Blood Test NameAddressPhone Name/Address/Phone Quest Diagnostics outlet - Ventura 2991 Loma Vista Rd, Ste 102b (805) 648-2761 Quest Diagnostics outlet - Ventura 7880 Telegraph Rd, Ste D (805) 659-1231 Quest Diagnostics outlet - Ventura 2727 E Main St (805) 648-2761 People Also Viewed