CLIA lab
CLIA 07D0644813: Quest Diagnostics LLC
Norwalk, CT. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 07D0644813 belongs to Quest Diagnostics LLC in Norwalk, CT.
Certificate of Compliance, effective March 30, 2025, expires March 29, 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 Compliance
- Certificate effective
- March 30, 2025
- Certificate expiration
- March 29, 2027
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- September 15, 1993
- Facility type
- Independent
- Ownership (control type)
- Proprietary
- Lab classification
- CLIA laboratory
- Directly affiliated labs
- 4
Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page
Lab and contact
- CLIA number
- 07D0644813
- Lab name
- Quest Diagnostics LLC
- Address
- 40 Cross St, Ste 260, Norwalk, CT 06851
- Phone
- (475) 206-6966
- Fax
- (204) 229-0225
Annual test volume the lab reported
- Other nonwaived tests
- 1
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
Affiliated CLIA numbers
Other labs in Norwalk, CT
- Advanced Specialty Care, PCCertificate for Provider-Performed Microscopy Procedures, Physician office07D2067460
- Afc Urgent CareCertificate of Waiver, Physician office07D2097137
- Alliance MD, LLCCertificate of Waiver, Physician office07D2266493
- Autumn Lake Healthcare at NorwalkCertificate of Waiver, Skilled nursing or nursing facility07D0872890
- Blick Medical AlliesCertificate of Waiver, Physician office07D0949669
- Boys & Girls Village, IncCertificate of Waiver, Home health agency07D2180770
- Brightview Norwalk, LLCCertificate of Waiver, Assisted living facility07D2121541
- CT Medical Group Inc - NorwalkCertificate of Waiver, Physician office07D2057942
- CT Renaissance, IncCertificate of Waiver, Community clinic07D2146602
- Center for Advanced PediatricsCertificate of Waiver, Physician office07D0872347
Related
Questions
What is the CLIA number for Quest Diagnostics LLC in Norwalk?
07D0644813, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Quest Diagnostics LLC hold?
A Certificate of Compliance, according to the CMS file.
When does CLIA 07D0644813 expire?
The CMS file lists March 29, 2027 as the certificate expiration date; the certificate took effect March 30, 2025.