CLIA lab
CLIA 22D1067784: Walden Street School
West Concord, MA. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 22D1067784 belongs to Walden Street School in West Concord, MA.
Certificate of Waiver, effective April 26, 2025, expires April 25, 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 Waiver
- Certificate effective
- April 26, 2025
- Certificate expiration
- April 25, 2027
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- April 26, 2007
- Facility type
- School or student health service
- Ownership (control type)
- Other
- 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
- 22D1067784
- Lab name
- Walden Street School
- Address
- 148/160 Walden Street, West Concord, MA 01742
- Phone
- (978) 369-7611
- Fax
- (978) 371-1566
Annual test volume the lab reported
- Waived tests
- 450
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
Other labs in West Concord, MA
Related
Questions
What is the CLIA number for Walden Street School in West Concord?
22D1067784, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Walden Street School hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 22D1067784 expire?
The CMS file lists April 25, 2027 as the certificate expiration date; the certificate took effect April 26, 2025.