Clinical & Reference Laboratories in Westfield, NJ

We list 64 clinical laboratories serving Westfield, NJ: 0 based there and 64 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 Westfield, NJ are Xeron Clinical Laboratories, Inc, Rnj Services Inc, Care Station Medical Group, Lincoln Diagnostics, LLC and Apollo Clinical Laboratories, Inc. 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: Xeron Clinical Laboratories, Inc (Centers for Medicare & Medicaid Services), Rnj Services Inc (Centers for Medicare & Medicaid Services), Care Station Medical Group (Centers for Medicare & Medicaid Services), Lincoln Diagnostics, LLC (Centers for Medicare & Medicaid Services) and Apollo Clinical Laboratories, Inc (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.