CLIA lookup
CLIA Labs in Williamstown, MA
Every lab with an active CLIA certificate at a city address, A to Z. Open a lab for its certificate dates.
8 labs in Williamstown, MA hold an active CLIA certificate in the CMS file posted October 16, 2026.
8 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 Williamstown, MA
| Lab ↑ | CLIA number | Certificate | Facility type |
|---|---|---|---|
| BHS Urgent Care North | 22D2335716 | Waiver | Other |
| Mount Greylock Regional School District | 22D2281452 | Waiver | School or student health service |
| Northern Berkshire Pediatrics LLP | 22D2088211 | Waiver | Physician office |
| Stephen L Payne MD PC | 22D1087548 | Waiver | Physician office |
| Williams College Health Center | 22D0872362 | Waiver | School or student health service |
| Williamstown Commons | 22D0068318 | Waiver | Skilled nursing or nursing facility |
| Williamstown Medical | 22D2123710 | Waiver | Physician office |
| Williamstown Recovery Operator LLC | 22D2282093 | Waiver | Other |
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 Williamstown, MA?
8 labs with a Williamstown address hold an active CLIA certificate in the CMS file posted October 16, 2026.
What certificates do Williamstown labs hold?
8 Certificate of Waiver.
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.