#1Planned Parenthood Shasta Pacific
Based in San Rafael, CA
Clinical & Reference Laboratories in Marin County, CA
The top-ranked clinical laboratories serving Marin County, CA are Planned Parenthood Shasta Pacific, Ucsf Dermatopathology Service and Helix Mobile Wellness. We list 12 clinical laboratories serving Marin County, CA. 12 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 Marin County, CA. 12 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 Marin County
#2Ucsf Dermatopathology Service
Serves this area from San Francisco, CA (25 mi)#3Helix Mobile Wellness
Serves this area from San Francisco, CA (26 mi)#4Labcorp Genetics Inc
Serves this area from San Francisco, CA (27 mi)#5Control Panel Laboratory
Serves this area from San Francisco, CA (28 mi)#6Redwood Toxicology Laboratory, Inc
Serves this area from CA#7Gcc Laboratory
Serves this area from Fairfield, CA (35 mi)#8Contra Costa Pathology Associates
Serves this area from Pleasant Hill, CA (37 mi)#9Epic Care
Serves this area from Pleasant Hill, CA (37 mi)#10Laboratory Corporation Of America
Serves this area from Walnut Creek, CA (40 mi)
2 more providers serving this area
- Golden State Dermatology Associates, Inc, Walnut Creek, CA (40 mi)
- Precision Pathology Medical Group Inc, CA
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Frequently asked questions
How many clinical laboratories serve Marin County?
We list 12 clinical laboratories serving Marin County, CA: 1 based there and 11 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 Marin County?
The top-ranked clinical laboratories serving Marin County, CA are Planned Parenthood Shasta Pacific, Ucsf Dermatopathology Service, Helix Mobile Wellness, Labcorp Genetics Inc and Control Panel Laboratory. The full ranked list, with the official records each provider matched, is on this page.
Which clinical laboratories serving Marin County are verified against official records?
10 of the top 10 match an active official record: Planned Parenthood Shasta Pacific (Centers for Medicare & Medicaid Services), Ucsf Dermatopathology Service (Centers for Medicare & Medicaid Services), Helix Mobile Wellness (Centers for Medicare & Medicaid Services), Labcorp Genetics Inc (Centers for Medicare & Medicaid Services) and Control Panel 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 .
Cities in Marin County
Communities served
Mill Valley, Larkspur, San Anselmo, Tamalpais-Homestead Valley, Corte Madera, Tiburon, Fairfax, Sausalito, Kentfield, Lucas Valley-Marinwood, Strawberry, Santa Venetia, Marin City, Sleepy Hollow, Ross, Belvedere, Lagunitas-Forest Knolls, Bolinas, Black Point-Green Point, Woodacre, Inverness, Point Reyes Station, Alto, Stinson Beach, San Geronimo, Muir Beach, Dillon Beach, Tomales, Nicasio