CLIA lookup
CLIA Labs in Westborough, MA
Every lab with an active CLIA certificate at a city address, A to Z. Open a lab for its certificate dates.
24 labs in Westborough, MA hold an active CLIA certificate in the CMS file posted October 16, 2026.
21 hold a Certificate of Waiver.
Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page
License: a US government work, in the public domain (Public Domain Mark 1.0).
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CLIA Labs in Westborough, MA
Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page
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Questions
How many CLIA labs are in Westborough, MA?
24 labs with a Westborough address hold an active CLIA certificate in the CMS file posted October 16, 2026.
What certificates do Westborough labs hold?
21 Certificate of Waiver, 2 Certificate of Accreditation, 1 Certificate of Compliance.
What does a CLIA number look like?
Ten characters: two digits, the letter D, then seven digits (for example 45D2100035). CMS assigns one to each laboratory certificate under the Clinical Laboratory Improvement Amendments.