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Quest Diagnostics
One of 12 diagnostics imaging or lab service listings in West Covina.
About Quest Diagnostics
Quest Diagnostics is a diagnostics imaging or lab service in the health and medical sector, based in West Covina, CA. Its recorded address is 553 S California Ave Ste A, 91790. The listing includes a telephone number, an official website. It is one of 12 diagnostics imaging or lab service listings tracked in West Covina; the nearest comparable listing is Sun Clinical Laboratories, about 0.8 km away. Quest Diagnostics has 2,797 listed locations in total; this page covers the West Covina branch.
- Address
- 553 S California Ave Ste A, West Covina, CA, 91790
- Phone
- 6267187660
- Website
- locations.questdiagnostics.com
Questions
Where is Quest Diagnostics located?
553 S California Ave Ste A, West Covina, CA, 91790
How do I contact Quest Diagnostics?
6267187660 · https://locations.questdiagnostics.com/ca/west-covina/553-s-california-ave
What type of business is Quest Diagnostics?
Quest Diagnostics is a diagnostics imaging or lab service (health and medical) in West Covina.
Quest Diagnostics branches
Quest Diagnostics has 2,797 listed locations. This branch is in West Covina.
- Weslaco78596-4281
- Laredo78041-3988
- McAllen78503-1531
- Alice78332-4197
- Kingsville78363-6371
- Bradenton34210-2819
- Corpus Christi78404-2500
- St Petersburg33713-5438
- St Petersburg33713-7146
- South Pasadena33707-2118
Nearby diagnostics imaging or lab service
- Sun Clinical LaboratoriesWest Covina0.8 km
- San Gabriel Valley DiagnosticWest Covina1.0 km
- Huntington-Hill Imaging CenterWest Covina1.0 km
- Centrelake ImagingWest Covina1.1 km
- McCormack RadiographicsWest Covina1.1 km
- Phlebotomy Training SpecialistsWest Covina1.1 km
- LabcorpWest Covina1.4 km
- Safehire Drug Testing & PhysicalsWest Covina1.5 km
- UMIH West CovinaWest Covina1.5 km
- Valley Imaging PartnershipWest Covina1.5 km
- United Medical ImagingWest Covina1.5 km
- Haemonetics ManufacturingCovina2.7 km
- LabcorpCovina3.4 km
- Private STD Testing CenterCovina3.4 km
- Brenda BaldeonLA PUENTE4.2 km
Cite this page
“Quest Diagnostics, West Covina — business.wiki, retrieved August 2026.” Facts on this page come from openly licensed data (Overture Maps Foundation) and are refreshed with each monthly release; sourcing is documented on the methodology page.