Clinical & Reference Laboratories in Thousand Oaks, CA
The top-ranked clinical laboratories serving Thousand Oaks, CA are Conejo Dermatology, Gemini Diagnostics and Topa Diagnostics. We list 166 clinical laboratories serving Thousand Oaks, 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 Thousand Oaks, CA (Ventura County). 166 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 Thousand Oaks
- Based in Thousand Oaks, CA
#2Gemini Diagnostics
Based in Thousand Oaks, CA#3Topa Diagnostics
Serves this area from CA#4Huntington Reproductive Center
Serves this area from Lake Sherwood, CA (4 mi)#5Lan Su Dmd Phd
Serves this area from Westlake Village, CA (5 mi)#6Interscope Pathology Medical Group
Serves this area from Westlake Village, CA (5 mi)#7Alexanian Medical Laboratories
Serves this area from Agoura Hills, CA (6 mi)#8Earlydiagnostics Inc
Serves this area from Agoura Hills, CA (6 mi)#9Payam Abrishami Md Inc
Serves this area from CA#10Malibu Pathology
Serves this area from Agoura Hills, CA (8 mi)
20 more providers serving this area
- Pacgenomics Inc, Agoura Hills, CA (8 mi)
- Esoterix-inc, Calabasas, CA (10 mi)
- Quest Diagnostics, Los Angeles, CA (15 mi)
- Quest Diagnostics, Los Angeles, CA (15 mi)
- Quest Diagnostics, Los Angeles, CA (15 mi)
- Sonic Diagnostic Laboratory Inc, Los Angeles, CA (16 mi)
- Transpath Inc, Los Angeles, CA (16 mi)
- Pacific Toxicology Laboratories, Los Angeles, CA (17 mi)
- Los Angeles Ventura Affiliated, Los Angeles, CA (17 mi)
- Unity Lab Solutions, Inc, Los Angeles, CA (17 mi)
- Biocollections Worldwide Inc, Los Angeles, CA (20 mi)
- Doctornow, Los Angeles, CA (20 mi)
- Unilab Corporation, San Buenaventura (Ventura), CA (20 mi)
- Progenabiome, San Buenaventura (Ventura), CA (20 mi)
- Medical Electronic Systems, Los Angeles, CA (21 mi)
- Charles River Laboratories, Los Angeles, CA (21 mi)
- Primex Clinical Laboratories, Inc, Los Angeles, CA (22 mi)
- Research & Development Institute, Los Angeles, CA (22 mi)
- Pasteur Inc DBA Sinai Labs, Los Angeles, CA (22 mi)
- Care Bio Clinical Laboratory, Los Angeles, CA (22 mi)
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Frequently asked questions
How many clinical laboratories serve Thousand Oaks?
We list 166 clinical laboratories serving Thousand Oaks, CA: 2 based there and 164 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 Thousand Oaks?
The top-ranked clinical laboratories serving Thousand Oaks, CA are Conejo Dermatology, Gemini Diagnostics, Topa Diagnostics, Huntington Reproductive Center and Lan Su Dmd Phd. The full ranked list, with the official records each provider matched, is on this page.
Which clinical laboratories serving Thousand Oaks are verified against official records?
10 of the top 10 match an active official record: Conejo Dermatology (Centers for Medicare & Medicaid Services), Gemini Diagnostics (Centers for Medicare & Medicaid Services), Topa Diagnostics (Centers for Medicare & Medicaid Services), Huntington Reproductive Center (Centers for Medicare & Medicaid Services) and Lan Su Dmd Phd (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 .