CLIA lab
CLIA 22D2281452: Mount Greylock Regional School District
Williamstown, MA. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 22D2281452 belongs to Mount Greylock Regional School District in Williamstown, MA.
Certificate of Waiver, effective May 8, 2025, expires May 7, 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
Run it in Rivvi
Map your lab's test names to LOINC codes
Open in RivviFree to start. Opens Rivvi, the AI workspace for healthcare teams.
Certificate
- Certificate type
- Certificate of Waiver
- Certificate effective
- May 8, 2025
- Certificate expiration
- May 7, 2027
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- May 8, 2023
- 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
- 22D2281452
- Lab name
- Mount Greylock Regional School District
- Address
- 1781 Cold Spring Rd, Williamstown, MA 01267
- Phone
- (413) 458-9582
Annual test volume the lab reported
- Waived tests
- 190
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
Other labs in Williamstown, MA
- BHS Urgent Care NorthCertificate of Waiver, Other22D2335716
- Northern Berkshire Pediatrics LLPCertificate of Waiver, Physician office22D2088211
- Stephen L Payne MD PCCertificate of Waiver, Physician office22D1087548
- Williams College Health CenterCertificate of Waiver, School or student health service22D0872362
- Williamstown CommonsCertificate of Waiver, Skilled nursing or nursing facility22D0068318
- Williamstown MedicalCertificate of Waiver, Physician office22D2123710
- Williamstown Recovery Operator LLCCertificate of Waiver, Other22D2282093
Related
Questions
What is the CLIA number for Mount Greylock Regional School District in Williamstown?
22D2281452, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Mount Greylock Regional School District hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 22D2281452 expire?
The CMS file lists May 7, 2027 as the certificate expiration date; the certificate took effect May 8, 2025.