Clinical & Reference Laboratories in Glendora, CA

The top-ranked clinical laboratories serving Glendora, CA are Citrus Pathology Medical Group, L&l Diagnostics, LLC and Avrok Biosciences, Inc. We list 293 clinical laboratories serving Glendora, 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 Glendora, CA (Los Angeles County). 293 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 Glendora

Ranked by our published methodology. Sponsored providers are shown separately.
#ProviderVerified recordsBased inPhone
1Citrus Pathology Medical GroupCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2010143
San Dimas, CA (3 mi)(626) 664-8163
2L&l Diagnostics, LLCCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2229525
Covina, CA (4 mi)(626) 598-4706
3Avrok Biosciences, IncCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2209785
Azusa, CA (4 mi)(818) 280-8485
4Prolacta Bioscience IncCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2307605
Duarte, CA (7 mi)(415) 290-3541
5Foundation LaboratoryCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D0642889
Pomona, CA (7 mi)(909) 623-9301
6Gold Path IncCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2305077
Duarte, CA (7 mi)(626) 514-2491
7Path MdCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2045519
Duarte, CA (7 mi)(626) 514-2491
8Specialized University PathologistsCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2115860
Duarte, CA (7 mi)(626) 514-2491
9City Of Hope Histocompatibility (hla)CLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2302125
Irwindale, CA (8 mi)(626) 218-2694
10Quick Biology IncCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#05D2286116
Monrovia, CA (8 mi)(323) 336-0496
20 more providers serving this area

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Frequently asked questions

How many clinical laboratories serve Glendora?

We list 293 clinical laboratories serving Glendora, CA: 0 based there and 293 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 Glendora?

The top-ranked clinical laboratories serving Glendora, CA are Citrus Pathology Medical Group, L&l Diagnostics, LLC, Avrok Biosciences, Inc, Prolacta Bioscience Inc and Foundation Laboratory. The full ranked list, with the official records each provider matched, is on this page.

Which clinical laboratories serving Glendora are verified against official records?

10 of the top 10 match an active official record: Citrus Pathology Medical Group (Centers for Medicare & Medicaid Services), L&l Diagnostics, LLC (Centers for Medicare & Medicaid Services), Avrok Biosciences, Inc (Centers for Medicare & Medicaid Services), Prolacta Bioscience Inc (Centers for Medicare & Medicaid Services) and Foundation Laboratory (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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