CLIA lookup
CLIA Labs in Watertown, MA
Every lab with an active CLIA certificate at a city address, A to Z. Open a lab for its certificate dates.
35 labs in Watertown, MA hold an active CLIA certificate in the CMS file posted October 16, 2026.
26 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 Watertown, MA
| Lab ↑ | CLIA number | Certificate | Facility type |
|---|---|---|---|
| 2nd Home Adult Day Health Care | 22D2093733 | Waiver | Other |
| Acrivon Therapeutics, Inc | 22D2334886 | Registration | Independent |
| Adams Clinical Watertown | 22D2012636 | Waiver | Other |
| Arevik Adult Day Health Care | 22D2096086 | Waiver | Other |
| Arex Life Sciences | 22D2334858 | Registration | Independent |
| Associates in Dermatology LLC | 22D0956834 | Waiver | Physician office |
| Atrius Health Watertown | 22D0078405 | Accreditation | Health maintenance organization |
| Atrius Health Watertown Mohs | 22D2011115 | Compliance | Physician office |
| Bay State Clinical Trials Inc | 22D1016721 | Waiver | Independent |
| Bay State Urologists Inc | 22D0885307 | PPM | Physician office |
| Beaverbrook Step Inc | 22D2099877 | Waiver | Other |
| Beth Israel Lahey Health-Primary Care Watertown | 22D2334325 | Waiver | Physician office |
| Beth Israel Lahey Health-Urgent Care Watertown | 22D2316233 | Accreditation | Community clinic |
| Bilh-Pc Mount Auburn Medical Associates (Mama) | 22D2227419 | Waiver | Physician office |
| Bilh-Pc Watertown Ma | 22D2295939 | Waiver | Physician office |
| Bravo Pharmacy | 22D2245798 | Waiver | Pharmacy |
| Brigham House Assisted Living Community | 22D2207743 | Waiver | Assisted living facility |
| DRX UC Watertown PC DBA Doctors Express | 22D2065566 | Waiver | Community clinic |
| Jewish Community Day School | 22D2206155 | Waiver | School or student health service |
| Ketto Bird Wellness PLLC | 22D2308796 | Accreditation | Physician office |
| Mah Obgyn at Watertown | 22D2337941 | Waiver | Physician office |
| Mass General Brigham Community Physicians | 22D2230942 | PPM | Physician office |
| Minuteclinic Diagnostic of Massachusetts, LLC | 22D2053007 | Waiver | Other |
| Nexus Medical Labs, LLC | 22D2209238 | Accreditation | Independent |
| Perkins School for the Blind | 22D2265071 | Waiver | School or student health service |
| Research Blood Components, LLC | 22D1023246 | Waiver | Independent |
| Revere Medical Group | 22D2341831 | Waiver | Physician office |
| Richard J Kerbel MD | 22D2252008 | Waiver | Physician office |
| The Residence at Watertown Square | 22D2203278 | Waiver | Other |
| Ucp of Metro Boston | 22D2079892 | Waiver | Other |
| Watertown Fire Department | 22D2319872 | Waiver | Ambulance |
| Watertown Health Center | 22D0078404 | Waiver | Skilled nursing or nursing facility |
| Watertown Public School District | 22D2288527 | Waiver | School or student health service |
| Wayfinder Behavioral Health | 22D2347522 | Waiver | Other |
| Wild Acre and Mental Health Solutions | 22D2113261 | 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 Watertown, MA?
35 labs with a Watertown address hold an active CLIA certificate in the CMS file posted October 16, 2026.
What certificates do Watertown labs hold?
26 Certificate of Waiver, 4 Certificate of Accreditation, 2 Certificate of Registration, 2 Certificate for Provider-Performed Microscopy Procedures, 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.