CLIA lab
CLIA 07D2094238: Quest Diagnostics
Old Saybrook, CT. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 07D2094238 belongs to Quest Diagnostics in Old Saybrook, CT.
Certificate of Compliance, effective July 14, 2025, expires July 13, 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
- July 14, 2025
- Certificate expiration
- July 13, 2027
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- April 14, 2015
- 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
- 07D2094238
- Lab name
- Quest Diagnostics
- Address
- 665 Boston Post Rd, Old Saybrook, CT 06475
- Phone
- (860) 339-4298
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 Old Saybrook, CT
- Connecticut Gi, PCCertificate of Waiver, Physician office07D2309844
- Craig E Mcknight, MD, PHD, LLCCertificate of Waiver, Physician office07D1083009
- Gladeview Health CareCertificate of Waiver, Skilled nursing or nursing facility07D0670863
- Hartford Healthcare Gohealth Urgent Care LLCCertificate of Waiver, Other07D2286839
- Lighthouse Home Health CareCertificate of Waiver, Home health agency07D2024461
- MC Diagnostic of Connecticut, PCCertificate of Waiver, Other07D2222446
- MHS Primary Care, IncCertificate for Provider-Performed Microscopy Procedures, Physician office07D0879309
- Middlesex Eye Physicians, PCCertificate of Waiver, Physician office07D2213758
- Middlesex Hospital Urgent Care-Old SaybrookCertificate of Waiver, Other07D2092015
- Minuteclinic Primary Care-Connecticut, PLLC #28237Certificate of Waiver, Other07D2322692
Related
Questions
What is the CLIA number for Quest Diagnostics in Old Saybrook?
07D2094238, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Quest Diagnostics hold?
A Certificate of Compliance, according to the CMS file.
When does CLIA 07D2094238 expire?
The CMS file lists July 13, 2027 as the certificate expiration date; the certificate took effect July 14, 2025.