QUEST DIAGNOSTICS LLC
NPI 1932301587
Clinical Medical Laboratory in Windsor, CT

Active since June 05, 2007CLIA 07D2175391 · Certificate of Compliance

NPPES record last updated: November 22, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Quest Diagnostics Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

QUEST DIAGNOSTICS LLC (NPI 1932301587) is a healthcare organization registered as a clinical medical laboratory in Windsor, Connecticut and active in the NPI registry since June 2007. The organization holds a CLIA Certificate of Compliance certificate valid through October 25, 2027 and lists Charles Albert Bowles, Vice President, as its authorized official.

NPPES Registry Identity

NPI1932301587
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameQUEST DIAGNOSTICS LLC
Location Address74 MACK STWindsor, CT 06095-2759
Mailing Address1201 S Collegeville RdCollegeville, PA 19426-2998 · (610) 454-6000
Organization SubpartYesParent: Quest Diagnostics Incorporated
Authorized OfficialCharles Albert BowlesVice President · (610) 454-6000
Enumeration DateJune 5, 2007
Last NPPES UpdateNovember 22, 2022
NPPES CertifiedNovember 22, 2022
NPI 1932301587 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinical Medical LaboratoryLaboratories
Taxonomy Code291U00000X
License Licensed in CT · 07D0093805
Definition
(1) A clinical laboratory is a facility for the biological, microbiological, serological, chemical, immunohematological, hematological, biophysical, cytological, pathological, or other examination of materials derived from the human body for the purpose of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, human beings. These examinations also include procedures to determine, measure, or otherwise describe the presence or absence of various substances or organisms in the body. Facilities only collecting or preparing specimens (or both) or only serving as a mailing service and not performing testing are not considered clinical laboratories. (2) Any facility that examines materials from the human body for purposes of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, or the assessment of, the health of human beings. Typical divisions of a clinical laboratory include hematology, cytology, bacteriology, histology, biochemistry, medical toxicology, and serology.
74 MACK ST, Windsor, CT 06095

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 07D2175391

Quest Diagnostics LLC · Windsor, CT
Active · expires Oct 25, 2027
CLIA Number07D2175391
Laboratory TypeIndependent
Certificate Effective DateOctober 26, 2025
Certificate Expiration DateOctober 25, 2027
Laboratory DirectorAlexia Rush
Laboratory Phone(860) 607-0546
Laboratory LocationQuest Diagnostics LLC74 Mack Street, Windsor, CT 06095
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
74 MACK ST
WINDSOR, CT 06095
Dermatology (Clinical & Laboratory Dermatological Immunology)
74 MACK ST
WINDSOR, CT 06095
Internal Medicine
74 MACK ST
WINDSOR, CT 06095
Family Medicine
74 MACK ST
WINDSOR, CT 06095
Podiatrist (Primary Podiatric Medicine)
74 MACK ST
WINDSOR, CT 06095
Internal Medicine
74 MACK ST
WINDSOR, CT 06095
Internal Medicine
74 MACK ST
WINDSOR, CT 06095
Internal Medicine
74 MACK ST
WINDSOR, CT 06095

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Quest Diagnostics LLC's NPI number?

The NPI number for Quest Diagnostics LLC is 1932301587. It was assigned to this organization in the NPPES registry on June 5, 2007.

Where is Quest Diagnostics LLC located?

Quest Diagnostics LLC is located at 74 Mack St, Windsor, CT 06095. The listed phone number is (877) 868-2191.

What is Quest Diagnostics LLC's specialty?

The primary specialty registered for this NPI is Clinical Medical Laboratory with taxonomy code 291U00000X.

Does Quest Diagnostics LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 07D2175391) is associated with this NPI, valid through October 25, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Quest Diagnostics LLC was last updated on November 22, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.