CLIA lab

CLIA 22D2017227: Mersi Immunopathology Laboratory

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

CLIA number 22D2017227 belongs to Mersi Immunopathology Laboratory in Waltham, MA.

Certificate of Compliance, effective February 13, 2026, expires February 12, 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 Compliance
Certificate effective
February 13, 2026
Certificate expiration
February 12, 2028
Status in the CMS file
Active (termination code 00)
Original participation date
December 7, 2010
Facility type
Independent
Ownership (control type)
Proprietary
Lab classification
CLIA laboratory
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
22D2017227
Lab name
Mersi Immunopathology Laboratory
Address
1440 Main St, Suite 201, Waltham, MA 02451
Phone
(781) 891-6377

Annual test volume the lab reported

Other nonwaived tests
1,050

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 Mersi Immunopathology Laboratory in Waltham?

22D2017227, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Mersi Immunopathology Laboratory hold?

A Certificate of Compliance, according to the CMS file.

When does CLIA 22D2017227 expire?

The CMS file lists February 12, 2028 as the certificate expiration date; the certificate took effect February 13, 2026.

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