#1Western Diagnostic Services Laboratory, LLC
Based in Santa Maria, CA
Clinical & Reference Laboratories in Santa Maria, CA
The top-ranked clinical laboratories serving Santa Maria, CA are Western Diagnostic Services Laboratory, LLC, Smg Laboratory and Community Health. We list 13 clinical laboratories serving Santa Maria, CA. 13 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 Santa Maria, CA (Santa Barbara County). 13 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 Santa Maria
#2Smg Laboratory
Serves this area from CA#3Community Health
Serves this area from Nipomo, CA (7 mi)#4Western Pathology Inc
Serves this area from San Luis Obispo, CA (26 mi)#5Aptitude Clinical Diagnostics
Serves this area from Goleta, CA (48 mi)#6Western Pathology Inc.
Serves this area from Santa Barbara, CA (52 mi)#7Caris Mpi, Inc
Serves this area from Santa Barbara, CA (54 mi)#8Agilent Biopharma Cdx Services Laboratory
Serves this area from Carpinteria, CA (66 mi)#9Island View Gastroenterology Associates
Serves this area from San Buenaventura (Ventura), CA (81 mi)#10Progenabiome
Serves this area from San Buenaventura (Ventura), CA (84 mi)
3 more providers serving this area
- Unilab Corporation, San Buenaventura (Ventura), CA (84 mi)
- Aw Cytohistology Laboratory, Bakersfield, CA (86 mi)
- Yosemite Pathology, CA
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Frequently asked questions
How many clinical laboratories serve Santa Maria?
We list 13 clinical laboratories serving Santa Maria, CA: 1 based there and 12 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 Santa Maria?
The top-ranked clinical laboratories serving Santa Maria, CA are Western Diagnostic Services Laboratory, LLC, Smg Laboratory, Community Health, Western Pathology Inc and Aptitude Clinical Diagnostics. The full ranked list, with the official records each provider matched, is on this page.
Which clinical laboratories serving Santa Maria are verified against official records?
10 of the top 10 match an active official record: Western Diagnostic Services Laboratory, LLC (Centers for Medicare & Medicaid Services), Smg Laboratory (Centers for Medicare & Medicaid Services), Community Health (Centers for Medicare & Medicaid Services), Western Pathology Inc (Centers for Medicare & Medicaid Services) and Aptitude Clinical 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 .