Clinical & Reference Laboratories in Nassau County, FL

We list 16 clinical laboratories serving Nassau County, FL: 0 based there and 16 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.

The top-ranked clinical laboratories serving Nassau County, FL are Sepa, PC At Saint Mary's - Dan Proctor, Uf Health Molecular Pathology Laboratory -, Emed Primary Care & Walk In Clinic, My Medex Lab LLC and Bernhardt Laboratories. The full ranked list, with the official records each provider matched, is on this page.

10 of the top 10 match an active official record: Sepa, PC At Saint Mary's - Dan Proctor (Centers for Medicare & Medicaid Services), Uf Health Molecular Pathology Laboratory - (Centers for Medicare & Medicaid Services), Emed Primary Care & Walk In Clinic (Centers for Medicare & Medicaid Services), My Medex Lab LLC (Centers for Medicare & Medicaid Services) and Bernhardt Laboratories (Centers for Medicare & Medicaid Services), and 5 more on this page. Each badge links to the official record it matched.

By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.

"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.

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.