#1Inter Science Institute
Serves this area from Inglewood, CA (4 mi)
Clinical & Reference Laboratories in Westmont, CA
The top-ranked clinical laboratories serving Westmont, CA are Inter Science Institute, Unity Health LLC and Open Healthcare US. We list 292 clinical laboratories serving Westmont, CA. 30 of the providers shown match an active record from Centers for Medicare & Medicaid Services, checked on the date shown. Rankings follow our published methodology; sponsored placements never change rank.
Clinical & Reference Laboratories serving Westmont, CA (Los Angeles County). 292 providers, 10 of the top 10 verified against federal or state records. Registry records checked on 2026-11-04.
Top 10 ranked clinical laboratories for Westmont
#2Unity Health LLC
Serves this area from Los Angeles, CA (5 mi)#3Open Healthcare US
Serves this area from Gardena, CA (5 mi)#4Psychemedics Corporation
Serves this area from Culver City, CA (6 mi)#5Laboratory Corporation
Serves this area from Los Angeles, CA (6 mi)#6Igenomix USA Inc
Serves this area from Torrance, CA (7 mi)#7Laboratory Corporation Of America
Serves this area from Los Angeles, CA (7 mi)#8Nu Diagnostics Laboratory
Serves this area from Los Angeles, CA (7 mi)#9Dxterity Diagnostics
Serves this area from Torrance, CA (7 mi)#10Omnia Diagnostic Laboratory, LLC
Serves this area from West Carson, CA (7 mi)
20 more providers serving this area
- Vitae Diagnostics, Torrance, CA (7 mi)
- Grace Laboratory, Carson, CA (7 mi)
- Neom Diagnostic Laboratories, Torrance, CA (7 mi)
- Spring Diagnostics, Torrance, CA (8 mi)
- Affiliated Pathologists Medical Group Inc, CA
- Innovative Pathology Medical Group, Torrance, CA (8 mi)
- Community Laboratory, Inc, Los Angeles, CA (8 mi)
- Golden Star Labs LLC, Culver City, CA (8 mi)
- Centra Diagnostics, Los Angeles, CA (9 mi)
- Mobile Stat Lab, Los Angeles, CA (9 mi)
- All South Bay Footcare Podiatry Group Inc, Torrance, CA (9 mi)
- Digestive Care Consultants, Torrance, CA (9 mi)
- Laboratory Medicine Consultants, Inc, Beverly Hills, CA (9 mi)
- Immunosciences Lab Inc, Los Angeles, CA (10 mi)
- USA Biosciences, LLC, Lomita, CA (10 mi)
- Precision Aspiration And Biopsy, Los Angeles, CA (10 mi)
- American Bio-clinical Laboratories, Los Angeles, CA (10 mi)
- Bhi Diagnostics, Beverly Hills, CA (10 mi)
- Press Consultation Laboratories, Los Angeles, CA (10 mi)
- Alpha Genetics LLC, Los Angeles, CA (10 mi)
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Frequently asked questions
How many clinical laboratories serve Westmont?
We list 292 clinical laboratories serving Westmont, CA: 0 based there and 292 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.
Which clinical laboratories serve Westmont?
The top-ranked clinical laboratories serving Westmont, CA are Inter Science Institute, Unity Health LLC, Open Healthcare US, Psychemedics Corporation and Laboratory Corporation. The full ranked list, with the official records each provider matched, is on this page.
Which clinical laboratories serving Westmont are verified against official records?
10 of the top 10 match an active official record: Inter Science Institute (Centers for Medicare & Medicaid Services), Unity Health LLC (Centers for Medicare & Medicaid Services), Open Healthcare US (Centers for Medicare & Medicaid Services), Psychemedics Corporation (Centers for Medicare & Medicaid Services) and Laboratory Corporation (Centers for Medicare & Medicaid Services), and 5 more on this page. Each badge links to the official record it matched.
How are these companies ranked?
By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.
What does "Verified" mean on this page?
"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.
What does CLIA certification mean?
CLIA certificates are issued under federal law for laboratories testing human specimens. A certificate of compliance or accreditation covers moderate and high complexity testing; a certificate of waiver covers only simple waived tests.
"Verified" means we matched the provider to an active official record on the date shown. The absence of a badge only means we have not verified that item. How we rank and verify. Page updated .