CLIA lab

CLIA 22D0078405: Atrius Health Watertown

Watertown, MA. Certificate and address details from the CMS Provider of Services file for clinical laboratories.

CLIA number 22D0078405 belongs to Atrius Health Watertown in Watertown, MA.

Certificate of Accreditation, effective February 9, 2025, expires February 8, 2027.

Active in the CMS Provider of Services file posted October 16, 2026.

Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page

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Certificate

Certificate type
Certificate of Accreditation
Certificate effective
February 9, 2025
Certificate expiration
February 8, 2027
Status in the CMS file
Active (termination code 00)
Original participation date
January 19, 1993
Facility type
Health maintenance organization
Ownership (control type)
Private
Lab classification
CLIA laboratory
Accrediting organizations
College of American Pathologists (CAP)
Directly affiliated labs
4

Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page

Lab and contact

CLIA number
22D0078405
Lab name
Atrius Health Watertown
Address
485 Arsenal Street, Watertown, MA 02472
Phone
(617) 972-5100
Fax
(617) 972-5470

Annual test volume the lab reported

Waived tests
3,859
Provider-performed microscopy tests
1,174
Tests under accreditation
11,708
Total
16,741

Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.

Affiliated CLIA numbers

Other labs in Watertown, MA

Related

Questions

What is the CLIA number for Atrius Health Watertown in Watertown?

22D0078405, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Atrius Health Watertown hold?

A Certificate of Accreditation, according to the CMS file.

When does CLIA 22D0078405 expire?

The CMS file lists February 8, 2027 as the certificate expiration date; the certificate took effect February 9, 2025.

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