Clinical & Reference Laboratories in San Joaquin County, CA
The top-ranked clinical laboratories serving San Joaquin County, CA are Delta Medical Group Of Pathologists Inc, Stockton Pathology Medical Group and Unilab Corporation, DBA Quest Diagnostics. We list 36 clinical laboratories serving San Joaquin County, 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 San Joaquin County, CA. 36 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 San Joaquin County
- Based in Lockeford, CA
#2Stockton Pathology Medical Group
Based in Stockton, CA#3Unilab Corporation, DBA Quest Diagnostics
Based in Stockton, CA#4Histo-path Technical Specialties Inc
Serves this area from Salida, CA (19 mi)#5Yosemite Pathology Medical Group Inc
Serves this area from CA#6Yosemite Pathology Medical Group Inc
Serves this area from CA#7Precision Pathology Medical Group Inc
Serves this area from CA#8Apostle Diagnostics
Serves this area from Pleasanton, CA (37 mi)#9Strategic Concept Lab
Serves this area from Pleasanton, CA (39 mi)#10Golden State Dermatology Associates, Inc
Serves this area from Walnut Creek, CA (41 mi)
20 more providers serving this area
- Laboratory Corporation Of America, Walnut Creek, CA (42 mi)
- Novogene Laboratory, Sacramento, CA (43 mi)
- Yosemite Pathology Medical Group Inc, Sacramento, CA (43 mi)
- Contra Costa Pathology Associates, Pleasant Hill, CA (44 mi)
- Epic Care, Pleasant Hill, CA (44 mi)
- Vitalant Mather Hla Laboratory, Rancho Cordova, CA (44 mi)
- Diagnostic Pathology, Sacramento, CA (46 mi)
- Norcal Pathology Laboratory, Fremont, CA (47 mi)
- Gl CA Clia LLC, Fremont, CA (48 mi)
- Arbor Vita Corporation, Fremont, CA (49 mi)
- Seqmatic LLC, Fremont, CA (49 mi)
- Unilab Corp, Sacramento, CA (49 mi)
- Billiontoone Laboratory, Union City, CA (50 mi)
- Unilab Corp DBA Quest Diagnostics, Sacramento, CA (50 mi)
- Predicine Inc, Hayward, CA (51 mi)
- Diacarta, Inc, Hayward, CA (51 mi)
- Elim Clinical Laboratory, Hayward, CA (51 mi)
- National Labs Inc, Hayward, CA (51 mi)
- Stemexpress, Folsom, CA (51 mi)
- Lucent Pathology Partners, Inc., Sacramento, CA (52 mi)
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Frequently asked questions
How many clinical laboratories serve San Joaquin County?
We list 36 clinical laboratories serving San Joaquin County, CA: 3 based there and 33 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 San Joaquin County?
The top-ranked clinical laboratories serving San Joaquin County, CA are Delta Medical Group Of Pathologists Inc, Stockton Pathology Medical Group, Unilab Corporation, DBA Quest Diagnostics, Histo-path Technical Specialties Inc and Yosemite Pathology Medical Group Inc. The full ranked list, with the official records each provider matched, is on this page.
Which clinical laboratories serving San Joaquin County are verified against official records?
10 of the top 10 match an active official record: Delta Medical Group Of Pathologists Inc (Centers for Medicare & Medicaid Services), Stockton Pathology Medical Group (Centers for Medicare & Medicaid Services), Unilab Corporation, DBA Quest Diagnostics (Centers for Medicare & Medicaid Services), Histo-path Technical Specialties Inc (Centers for Medicare & Medicaid Services) and Yosemite Pathology Medical Group Inc (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 .
Cities in San Joaquin County
Communities served
Mountain House, Ripon, Garden Acres, Country Club, August, Escalon, Lincoln Village, Morada, Woodbridge, French Camp, Lockeford, Kennedy, Dogtown, Collierville, Linden, Taft Mosswood, Thornton, Peters, Waterloo, Terminous, Acampo, Victor, Farmington