Clinical & Reference Laboratories in Norwalk, CA
The top-ranked clinical laboratories serving Norwalk, CA are Bioanalysis Diagnostic Laboratories, Bio Corp Clinical Lab and Caris Mpi, Inc. We list 293 clinical laboratories serving Norwalk, 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 Norwalk, 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 Norwalk
- Serves this area from Artesia, CA (3 mi)
#2Bio Corp Clinical Lab
Serves this area from Santa Fe Springs, CA (3 mi)#3Caris Mpi, Inc
Serves this area from Buena Park, CA (7 mi)#4Altasciences Los Angeles
Serves this area from Cypress, CA (7 mi)#5Biogene Diagnostics
Serves this area from Los Alamitos, CA (7 mi)#6New World Clinical Laboratory, Inc
Serves this area from Los Alamitos, CA (7 mi)#7Consolidated Medical Bio-analysis Inc
Serves this area from Cypress, CA (7 mi)#8Arbelos1 LLC
Serves this area from Montebello, CA (8 mi)#9Lifequest Diagnostic, Inc
Serves this area from Anaheim, CA (9 mi)#10Pathology Associates Laboratory
Serves this area from Anaheim, CA (9 mi)
20 more providers serving this area
- Huntington Reproductive Center Medical Group,, Fullerton, CA (9 mi)
- Affiliated Pathologists Medical Group Inc, CA
- Pain Medicine Associates, Fullerton, CA (9 mi)
- Rational Therapeutics, LLC, Signal Hill, CA (9 mi)
- Corazon C Medina, Md Inc, Anaheim, CA (9 mi)
- Sterling Pathology National Laboratories, Seal Beach, CA (9 mi)
- East Side Pathology Associates Med Grp, Inc, South San Gabriel, CA (10 mi)
- Diagnostic Laboratory Science Inc, Garden Grove, CA (11 mi)
- Planned Parenthood, Anaheim, CA (11 mi)
- Priority Science Labs, Westminster, CA (11 mi)
- Oc Gastrocare, Anaheim, CA (11 mi)
- Grace Laboratory, Carson, CA (11 mi)
- Sterling Pathology National Laboratories, Westminster, CA (11 mi)
- Sun Clinical Laboratories, El Monte, CA (11 mi)
- Laboratory Corporation, Los Angeles, CA (13 mi)
- Metic Transplantation Labs Inc, Los Angeles, CA (13 mi)
- Fulgent Therapeutics LLC, El Monte, CA (13 mi)
- Press Consultation Laboratories, Los Angeles, CA (13 mi)
- Open Healthcare US, Gardena, CA (13 mi)
- Neoanalytics Laboratory, Alhambra, CA (13 mi)
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Frequently asked questions
How many clinical laboratories serve Norwalk?
We list 293 clinical laboratories serving Norwalk, 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 Norwalk?
The top-ranked clinical laboratories serving Norwalk, CA are Bioanalysis Diagnostic Laboratories, Bio Corp Clinical Lab, Caris Mpi, Inc, Altasciences Los Angeles and Biogene Diagnostics. The full ranked list, with the official records each provider matched, is on this page.
Which clinical laboratories serving Norwalk are verified against official records?
10 of the top 10 match an active official record: Bioanalysis Diagnostic Laboratories (Centers for Medicare & Medicaid Services), Bio Corp Clinical Lab (Centers for Medicare & Medicaid Services), Caris Mpi, Inc (Centers for Medicare & Medicaid Services), Altasciences Los Angeles (Centers for Medicare & Medicaid Services) and Biogene 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 .