QUEST DIAGNOSTICS LLC
NPI 1407398712
Clinical Medical Laboratory in Hartford, CT

Active since November 17, 2016
100 RETREAT AVE, SUITE 408, HARTFORD, CT 06106(860) 246-4688 Get Directions Write a Review

NPPES record last updated: December 7, 2018. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 7, 2018, Nov 17, 2016 (2 updates tracked since 2016).

About Quest Diagnostics Llc NPPES

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

QUEST DIAGNOSTICS LLC (NPI 1407398712) is a healthcare organization registered as a clinical medical laboratory in Hartford, Connecticut and active in the NPI registry since November 2016. The organization lists Charles Albert Bowles, Vice President, as its authorized official.

NPPES Registry Identity

NPI1407398712
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameQUEST DIAGNOSTICS LLC
Location Address100 RETREAT AVE, SUITE 408Hartford, CT 06106-2528
Mailing Address1201 S Collegeville RdCollegeville, PA 19426-2998 · (866) 697-8378
Organization SubpartYesParent: Quest Diagnostics Incorporated
Authorized OfficialCharles Albert BowlesVice President · (610) 454-4122
Enumeration DateNovember 17, 2016
Last NPPES UpdateDecember 7, 20182 updates tracked since enumeration
NPI 1407398712 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinical Medical LaboratoryLaboratories
Taxonomy Code291U00000X
License Licensed in CT · 07D0957552
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.
100 RETREAT AVE, Hartford, CT 06106

Accepted Insurance

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 07D0094385

Quest Diagnostics LLC · Hartford, CT
Expired · Aug 11, 2026
CLIA Number07D0094385
Laboratory TypeIndependent
Certificate Effective DateAugust 12, 2024
Certificate Expiration DateAugust 11, 2026
Laboratory DirectorCarlene Wong
Laboratory Phone(860) 200-7484
Laboratory LocationQuest Diagnostics LLC85 Seymour St Ste 215, Hartford, CT 06106
CLIA data matches this NPI record on: 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 20

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

Obstetrics & Gynecology
100 RETREAT AVE, SUITE 201
HARTFORD, CT 06106
Internal Medicine (Cardiovascular Disease)
100 RETREAT AVE, SUITE 811
HARTFORD, CT 06106
Internal Medicine (Infectious Disease)
100 RETREAT AVE, SUITE 200
HARTFORD, CT 06106
Dietitian, Registered (Nutrition, Pediatric)
100 RETREAT AVE
HARTFORD, CT 06106
Internal Medicine (Infectious Disease)
100 RETREAT AVE, SUITE 903
HARTFORD, CT 06106
Physical Therapist
100 RETREAT AVE, SUITE 306
HARTFORD, CT 06106
Dermatology
100 RETREAT AVE, SUITE 603
HARTFORD, CT 06106
Internal Medicine
100 RETREAT AVE, SUITE 605
HARTFORD, CT 06106

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 1407398712. It was assigned to this organization in the NPPES registry on November 17, 2016.

Where is Quest Diagnostics LLC located?

Quest Diagnostics LLC is located at 100 Retreat Ave Suite 408, Hartford, CT 06106. The listed phone number is (860) 246-4688.

What is Quest Diagnostics LLC's specialty?

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

What insurance does Quest Diagnostics LLC accept?

Health plans from Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Quest Diagnostics LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Quest Diagnostics LLC was last updated on December 7, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.