List of Quest Diagnostics Stores in Lewisville, TX Outlet Note Regular Brands Quest Diagnostics Texas Lewisville Rating 4.7 based on 66 votes Products STD Testing Clinical Laboratory Services Drug Test Blood Test NameAddressPhone Name/Address/Phone Quest Diagnostics outlet - Lewisville 500 N Valley Pkwy, Ste 110 (972) 221-8117 People Also Viewed