CLIA lab

CLIA 22D0879427: Walden Pond Pediatrics, PC

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

CLIA number 22D0879427 belongs to Walden Pond Pediatrics, PC in Concord, MA.

Certificate of Waiver, effective July 20, 2026, expires July 19, 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

Run it in Rivvi

Map your lab's test names to LOINC codes

Open in Rivvi

Free to start. Opens Rivvi, the AI workspace for healthcare teams.

Certificate

Certificate type
Certificate of Waiver
Certificate effective
July 20, 2026
Certificate expiration
July 19, 2028
Status in the CMS file
Active (termination code 00)
Original participation date
November 19, 1993
Facility type
Physician office
Ownership (control type)
Proprietary
Lab classification
CLIA laboratory

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

Lab and contact

CLIA number
22D0879427
Lab name
Walden Pond Pediatrics, PC
Address
101 Thoreau Street, Concord, MA 01742
Phone
(978) 369-9401
Fax
(978) 371-8810

Annual test volume the lab reported

Waived tests
1,500

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

Other labs in Concord, MA

Related

Questions

What is the CLIA number for Walden Pond Pediatrics, PC in Concord?

22D0879427, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Walden Pond Pediatrics, PC hold?

A Certificate of Waiver, according to the CMS file.

When does CLIA 22D0879427 expire?

The CMS file lists July 19, 2028 as the certificate expiration date; the certificate took effect July 20, 2026.

Try it on your own data today.

Free to start. Most teams are using it the same day.