#1Diagnostic Laboratory Science Inc
Based in Garden Grove, CA
Clinical & Reference Laboratories in Garden Grove, CA
The top-ranked clinical laboratories serving Garden Grove, CA are Diagnostic Laboratory Science Inc, Sterling Pathology National Laboratories and Pathology Associates Laboratory. We list 391 clinical laboratories serving Garden Grove, 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 Garden Grove, CA (Orange County). 391 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 Garden Grove
#2Sterling Pathology National Laboratories
Serves this area from Westminster, CA (4 mi)#3Pathology Associates Laboratory
Serves this area from Anaheim, CA (4 mi)#4Uc Irvine Dermatopathology Laboratory
Serves this area from Orange, CA (4 mi)#5Lifequest Diagnostic, Inc
Serves this area from Anaheim, CA (4 mi)#6Weisenthal Cancer Group
Serves this area from Huntington Beach, CA (4 mi)#7Caris Mpi, Inc
Serves this area from Buena Park, CA (5 mi)#8Lab Genomics, LLC
Serves this area from Fountain Valley, CA (5 mi)#9Planned Parenthood
Serves this area from Anaheim, CA (5 mi)#10Altasciences Los Angeles
Serves this area from Cypress, CA (5 mi)
20 more providers serving this area
- Bio-path Medical Group Inc, Fountain Valley, CA (5 mi)
- Bio Path Medical Group Inc, Fountain Valley, CA (5 mi)
- Consolidated Medical Bio-analysis Inc, Cypress, CA (5 mi)
- Oc Gastrocare, Anaheim, CA (5 mi)
- Priority Science Labs, Westminster, CA (5 mi)
- Corazon C Medina, Md Inc, Anaheim, CA (5 mi)
- Orange County Labs Inc, Huntington Beach, CA (5 mi)
- Altera Laboratory Services, LLC, Santa Ana, CA (5 mi)
- Genetics Center, Orange, CA (5 mi)
- Advanced Biomedical, Inc, Santa Ana, CA (6 mi)
- Newport Harbor Pathology, Orange, CA (6 mi)
- Unilab Corporation DBA Quest Diagnostics, Orange, CA (6 mi)
- Biogene Diagnostics, Los Alamitos, CA (6 mi)
- Mountain View Medical Laboratory - Orange, Orange, CA (6 mi)
- New World Clinical Laboratory, Inc, Los Alamitos, CA (6 mi)
- Q Diagnostics Inc, Santa Ana, CA (6 mi)
- Sterling Pathology National Laboratories, Seal Beach, CA (7 mi)
- Navjyot Gujral Md, Santa Ana, CA (8 mi)
- Pathkare Inc, Santa Ana, CA (8 mi)
- Sdi Labs Inc, Santa Ana, CA (8 mi)
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Frequently asked questions
How many clinical laboratories serve Garden Grove?
We list 391 clinical laboratories serving Garden Grove, CA: 1 based there and 390 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 Garden Grove?
The top-ranked clinical laboratories serving Garden Grove, CA are Diagnostic Laboratory Science Inc, Sterling Pathology National Laboratories, Pathology Associates Laboratory, Uc Irvine Dermatopathology Laboratory and Lifequest Diagnostic, Inc. The full ranked list, with the official records each provider matched, is on this page.
Which clinical laboratories serving Garden Grove are verified against official records?
10 of the top 10 match an active official record: Diagnostic Laboratory Science Inc (Centers for Medicare & Medicaid Services), Sterling Pathology National Laboratories (Centers for Medicare & Medicaid Services), Pathology Associates Laboratory (Centers for Medicare & Medicaid Services), Uc Irvine Dermatopathology Laboratory (Centers for Medicare & Medicaid Services) and Lifequest Diagnostic, 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 .