CLIA lookup
CLIA Labs in Darien, CT
Every lab with an active CLIA certificate at a city address, A to Z. Open a lab for its certificate dates.
25 labs in Darien, CT hold an active CLIA certificate in the CMS file posted October 16, 2026.
21 hold a Certificate of Waiver.
Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page
License: a US government work, in the public domain (Public Domain Mark 1.0).
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CLIA Labs in Darien, CT
| Lab ↑ | CLIA number | Certificate | Facility type |
|---|---|---|---|
| Advanced Allergy & Immunology & Asthma, PC | 07D2057429 | Waiver | Physician office |
| Aesthetic Surgery Center, LLC | 07D2094854 | Waiver | Ambulatory surgery center |
| Center for Advanced Pediatrics | 07D0872346 | Waiver | Physician office |
| Darien Pediatric Associates LLC | 07D0927951 | Waiver | Physician office |
| Darien Signature Health, Inc | 07D2129511 | Waiver | Physician office |
| Greenwich Health, PLLC | 07D2167567 | Waiver | Physician office |
| Grieb's Pharmacy | 07D2206055 | Waiver | Pharmacy |
| In Town Pediatrics | 07D2344439 | Waiver | Physician office |
| Maplewood at Darien | 07D2194330 | Waiver | Assisted living facility |
| Michael E Doyle, MD, PC | 07D2037605 | Waiver | Physician office |
| Nuvance Darien Primary and Specialty Care | 07D0936974 | Waiver | Physician office |
| One Medical | 07D2277228 | PPM | Physician office |
| Residence at Sellecks Woods, the | 07D2166504 | Waiver | Assisted living facility |
| Stamford Health Medical Group, Inc | 07D0666511 | PPM | Physician office |
| Stamford Health Medical Group, Inc | 07D1024212 | PPM | Physician office |
| Stamford Health Medical Group, Inc | 07D1067370 | Waiver | Physician office |
| Stamford Health Medical Group, Inc | 07D1067703 | Waiver | Physician office |
| Stamford Health Medical Group, Inc | 07D2337798 | Waiver | Physician office |
| Stamford Pediatric Associates PC | 07D0941328 | Waiver | Physician office |
| Urgent Care Medical Associates | 07D2337959 | Waiver | Other |
| Vascular Care Group, the | 07D2338791 | Waiver | Other |
| Vascular Experts - Darien, the | 07D2177718 | Waiver | Physician office |
| Walgreens 21268 | 07D2290653 | Waiver | Pharmacy |
| Westchester Medical Group PLLC | 07D0936546 | PPM | Physician office |
| WG Darien SH, LLC | 07D2189805 | Waiver | Assisted living facility |
Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page
Related
Questions
How many CLIA labs are in Darien, CT?
25 labs with a Darien address hold an active CLIA certificate in the CMS file posted October 16, 2026.
What certificates do Darien labs hold?
21 Certificate of Waiver, 4 Certificate for Provider-Performed Microscopy Procedures.
What does a CLIA number look like?
Ten characters: two digits, the letter D, then seven digits (for example 45D2100035). CMS assigns one to each laboratory certificate under the Clinical Laboratory Improvement Amendments.