Clinical & Reference Laboratories in Hawthorne, CA

The top-ranked clinical laboratories serving Hawthorne, CA are Unity Health LLC, Inter Science Institute and Open Healthcare US. We list 292 clinical laboratories serving Hawthorne, 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 Hawthorne, 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 Hawthorne

Ranked by our published methodology. Sponsored providers are shown separately.
#ProviderVerified recordsBased inPhone
1Unity Health LLCCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2295363
Los Angeles, CA (3 mi)(909) 672-9089
2Inter Science InstituteCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D0549406
Inglewood, CA (4 mi)(310) 677-3322
3Open Healthcare USCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D0699248
Gardena, CA (4 mi)(562) 945-1220
4Vitae DiagnosticsCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2044828
Torrance, CA (5 mi)(310) 376-5812
5Dxterity DiagnosticsCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2054007
Torrance, CA (5 mi)(310) 537-7857
6Igenomix USA IncCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2172348
Torrance, CA (5 mi)(305) 501-4948
7Spring DiagnosticsCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2117052
Torrance, CA (5 mi)(424) 306-2184
8Psychemedics CorporationCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D0642561
Culver City, CA (5 mi)(310) 216-7776
9Innovative Pathology Medical GroupCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2180074
Torrance, CA (5 mi)(310) 339-5495
10Laboratory CorporationCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D0548117
Los Angeles, CA (6 mi)(949) 230-0428
20 more providers serving this area

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Frequently asked questions

How many clinical laboratories serve Hawthorne?

We list 292 clinical laboratories serving Hawthorne, 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 Hawthorne?

The top-ranked clinical laboratories serving Hawthorne, CA are Unity Health LLC, Inter Science Institute, Open Healthcare US, Vitae Diagnostics and Dxterity Diagnostics. The full ranked list, with the official records each provider matched, is on this page.

Which clinical laboratories serving Hawthorne are verified against official records?

10 of the top 10 match an active official record: Unity Health LLC (Centers for Medicare & Medicaid Services), Inter Science Institute (Centers for Medicare & Medicaid Services), Open Healthcare US (Centers for Medicare & Medicaid Services), Vitae Diagnostics (Centers for Medicare & Medicaid Services) and Dxterity Diagnostics (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 .

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