CLIA lab
CLIA 22D1034429: Quest Diagnostics Massachusetts LLC
Westborough, MA. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 22D1034429 belongs to Quest Diagnostics Massachusetts LLC in Westborough, MA.
Certificate of Waiver, effective December 23, 2024, expires December 22, 2026.
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
- December 23, 2024
- Certificate expiration
- December 22, 2026
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- December 2, 2004
- Facility type
- Independent
- 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
- 22D1034429
- Lab name
- Quest Diagnostics Massachusetts LLC
- Address
- 900 Union St, Westborough, MA 01581
- Phone
- (508) 366-8836
Annual test volume the lab reported
- Waived tests
- 1,142
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
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- Belonging Medical GroupCertificate of Waiver, Other22D2245588
- Charles River Medical AssociatesCertificate of Waiver, Physician office22D0069393
- Convenientmd Urgent Care - WestboroughCertificate of Waiver, Other22D2227673
- CytivaCertificate of Waiver, Industrial22D2337489
- Esoterix Genetic Laboratories LLCCertificate of Accreditation, Independent22D0650245
- Gba Central Lab Services US, LLCCertificate of Compliance, Independent22D2290524
- Mass Institute of Clinical ResearchCertificate of Waiver, Other22D2308970
- Nfi MaCertificate of Waiver, Other22D0896060
Related
Questions
What is the CLIA number for Quest Diagnostics Massachusetts LLC in Westborough?
22D1034429, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Quest Diagnostics Massachusetts LLC hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 22D1034429 expire?
The CMS file lists December 22, 2026 as the certificate expiration date; the certificate took effect December 23, 2024.