CLIA lab
CLIA 22D2270005: 55 Watertown ST Opco LLC DBA Waterstone of
Lexington, MA. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 22D2270005 belongs to 55 Watertown ST Opco LLC DBA Waterstone of in Lexington, MA.
Certificate of Waiver, effective October 7, 2026, expires October 6, 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 Waiver
- Certificate effective
- October 7, 2026
- Certificate expiration
- October 6, 2028
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- October 7, 2022
- Facility type
- Assisted living facility
- Ownership (control type)
- Proprietary
- Lab classification
- CLIA laboratory
- Directly affiliated labs
- 6
Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page
Lab and contact
- CLIA number
- 22D2270005
- Lab name
- 55 Watertown ST Opco LLC DBA Waterstone of
- Additional name
- Lexington
- Address
- 55 Watertown Street, Lexington, MA 02421
- Phone
- (781) 810-1230
- Fax
- (781) 398-7669
Annual test volume the lab reported
- Waived tests
- 2,000
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
Affiliated CLIA numbers
Other labs in Lexington, MA
- 56 Watertown ST Opco LLC DBA Bridges By Epoch atCertificate of Waiver, Assisted living facility22D2270004
- Beth Israel Deaconess HealthcareCertificate for Provider-Performed Microscopy Procedures, Physician office22D1001960
- Beth Israel Lahey Health Primary CareCertificate of Waiver, Physician office22D2220808
- Beth Israel Medical CenterCertificate of Waiver, Physician office22D1038462
- Bilhpc - LexingtonCertificate for Provider-Performed Microscopy Procedures, Physician office22D0950068
- Brookhaven at LexingtonCertificate of Waiver, Skilled nursing or nursing facility22D0969308
- Careone at LexingtonCertificate of Waiver, Skilled nursing or nursing facility22D0887222
- Carewell Urgent CareCertificate of Waiver, Other22D2060997
- Childrens Hospital Pediatric Associates, IncCertificate of Compliance, Physician office22D2289684
- Clearview Dermatology Greater Boston, PLLCCertificate of Registration, Physician office22D2327962
Related
Questions
What is the CLIA number for 55 Watertown ST Opco LLC DBA Waterstone of in Lexington?
22D2270005, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does 55 Watertown ST Opco LLC DBA Waterstone of hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 22D2270005 expire?
The CMS file lists October 6, 2028 as the certificate expiration date; the certificate took effect October 7, 2026.