List of Quest Diagnostics Stores in Keller, TX Outlet Note Regular Brands Quest Diagnostics Texas Keller Rating 4.7 based on 66 votes Products STD Testing Clinical Laboratory Services Drug Test Blood Test NameAddressPhone Name/Address/Phone Quest Diagnostics outlet - Keller 260 N Rufe Snow Dr (817) 431-4301 Quest Diagnostics outlet - Keller 3529 Heritage Trace Pkwy, Ste 133 (817) 741-8200 People Also Viewed