Quest DiagnosticsWrite a ReviewBe the first to review!7251 W 20th St Unit N3, Greeley, CO 80634Hi there!Be the first to review!5First-class4Better than most3About what I expected2Not the worst...1DisappointingClick to RateMore Business InfoHoursDo you know the hours for this business?Extra PhonesTollFree: 800-377-8448Other Linkhttp://www.questdiagnostics.comCategoryMedical Labs Suggest an Edit