Lab Testing in Ontario, CA
Find a lab in Ontario, California. We list 4 laboratory testing locations across the Ontario area covering Quest Diagnostics, LabCorp, and partner sites.
Quest Health Ordering and Location Research
Online ordering happens at Quest Health through LabTestSuperstore's tracked links. Quest Health takes payment, arranges physician authorization, processes the order, and delivers results. Browse test information here, then use this directory to research possible draw sites in Ontario.
Browse All TestsStudent health testing in Ontario
Comparing school or university requirements with independent testing? Review student health lab testing options in Ontario.
All locations in Ontario
Quest Diagnostics
Partner LocationComp - Ontario
59 S Milliken Ave Ste 100
CA 91761
Quest Diagnostics
Partner LocationProactive Work Ontario
1801 Excise Ave Ste 108
CA 91761
Quest Diagnostics
Partner LocationOntario Testing Center, Inc
402 S Milliken Ave Ste E2
CA 91761
Quest Diagnostics
Members OnlyFirst Care Industrial Medicine Center - Questselect Members Only
754 N Mountain Ave
CA 91762