CLIA lab

CLIA 22D2096202: Mass General Waltham Laboratory

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

CLIA number 22D2096202 belongs to Mass General Waltham Laboratory in Waltham, MA.

Certificate of Accreditation, effective February 16, 2026, expires February 15, 2028.

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 16, 2026
Certificate expiration
February 15, 2028
Status in the CMS file
Active (termination code 00)
Original participation date
May 19, 2015
Facility type
Hospital
Ownership (control type)
Private
Lab classification
CLIA laboratory
Accrediting organizations
The Joint Commission
Directly affiliated labs
1

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

Lab and contact

CLIA number
22D2096202
Lab name
Mass General Waltham Laboratory
Address
52 Second Avenue Ste 1110, Waltham, MA 02451
Phone
(617) 726-8887
Fax
(617) 726-1996

Annual test volume the lab reported

Tests under accreditation
515,612

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

Affiliated CLIA numbers

Other labs in Waltham, MA

Related

Questions

What is the CLIA number for Mass General Waltham Laboratory in Waltham?

22D2096202, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Mass General Waltham Laboratory hold?

A Certificate of Accreditation, according to the CMS file.

When does CLIA 22D2096202 expire?

The CMS file lists February 15, 2028 as the certificate expiration date; the certificate took effect February 16, 2026.

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