CLIA lab
CLIA 22D2238475: Keystone Commons, LLC
Ludlow, MA. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 22D2238475 belongs to Keystone Commons, LLC in Ludlow, MA.
Certificate of Waiver, effective October 5, 2025, expires October 4, 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
- October 5, 2025
- Certificate expiration
- October 4, 2027
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- October 5, 2021
- Facility type
- Assisted living facility
- 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
- 22D2238475
- Lab name
- Keystone Commons, LLC
- Address
- 460 West Street, Ludlow, MA 01056
- Phone
- (413) 583-6611
- Fax
- (413) 583-7701
Annual test volume the lab reported
- Waived tests
- 500
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
Other labs in Ludlow, MA
- Ara-Ludlow Dialysis LLCCertificate of Waiver, End stage renal disease dialysis facility22D2062543
- Care Point BostonCertificate of Waiver, Other22D2315557
- Chd/Meadows HomesCertificate of Waiver, Other22D2170332
- Convenientmd Urgent Care - LudlowCertificate of Waiver, Other22D2227661
- Encompass Health Rehabilitation Hospital ofCertificate of Waiver, Hospital22D0694459
- Excella Home Health Agency LLCCertificate of Waiver, Home health agency22D2078045
- Hampden County Jail and House of CorrectionCertificate of Waiver, Prison22D1018944
- Ludlow Ambulance ServiceCertificate of Waiver, Ambulance22D2318508
- Ludlow Health DepartmentCertificate of Waiver, Public health laboratory22D2344184
- Ludlow Medical CenterCertificate of Waiver, Physician office22D0946653
Related
Questions
What is the CLIA number for Keystone Commons, LLC in Ludlow?
22D2238475, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Keystone Commons, LLC hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 22D2238475 expire?
The CMS file lists October 4, 2027 as the certificate expiration date; the certificate took effect October 5, 2025.