QUEST DIAGNOSTICS LLC
NPI 1790987261
Clinical Medical Laboratory in Hartford, CT

Active since June 05, 2007CLIA 07D0094149 · Certificate of Compliance
21 WOODLAND ST, HARTFORD, CT 06105(877) 868-2191 Get Directions Write a Review

NPPES record last updated: November 8, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 8, 2022, Dec 4, 2018 (2 updates tracked since 2018).

About Quest Diagnostics Llc NPPES

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

QUEST DIAGNOSTICS LLC (NPI 1790987261) is a healthcare organization registered as a clinical medical laboratory in Hartford, Connecticut and active in the NPI registry since June 2007. The organization holds a CLIA Certificate of Compliance certificate valid through February 2, 2027 and lists Charles Albert Bowles, Vice President, as its authorized official.

NPPES Registry Identity

NPI1790987261
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameQUEST DIAGNOSTICS LLC
Location Address21 WOODLAND STHartford, CT 06105-4318
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 DateJune 5, 2007
Last NPPES UpdateNovember 8, 20222 updates tracked since enumeration
NPPES CertifiedNovember 8, 2022
NPI 1790987261 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinical Medical LaboratoryLaboratories
Taxonomy Code291U00000X
License Licensed in CT · 07D0094149
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.
21 WOODLAND ST, Hartford, CT 06105

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 07D0094149

Quest Diagnostics · Hartford, CT
Active · expires Feb 2, 2027
CLIA Number07D0094149
Laboratory TypeIndependent
Certificate Effective DateFebruary 3, 2025
Certificate Expiration DateFebruary 2, 2027
Laboratory DirectorCarlene Wong
Laboratory Phone(860) 200-7481
Laboratory LocationQuest Diagnostics21 Woodland St, Hartford, CT 06105
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 15

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

Dentist
21 WOODLAND ST, SUITE L-16
HARTFORD, CT 06105
Obstetrics & Gynecology (Reproductive Endocrinology)
21 WOODLAND ST, SUITE 323
HARTFORD, CT 06105
Obstetrics & Gynecology (Gynecology)
21 WOODLAND ST, STE 112
HARTFORD, CT 06105
Physical Therapist
21 WOODLAND ST, SUITE 110
HARTFORD, CT 06105
Internal Medicine
21 WOODLAND ST, SUITE 311
HARTFORD, CT 06105
Internal Medicine
21 WOODLAND ST
HARTFORD, CT 06105
Internal Medicine (Cardiovascular Disease)
21 WOODLAND ST
HARTFORD, CT 06105
Chiropractor
21 WOODLAND ST, SUITE#: 110
HARTFORD, CT 06105

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 1790987261. 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 21 Woodland St, Hartford, CT 06105. 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 07D0094149) is associated with this NPI, valid through February 2, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Quest Diagnostics LLC accept?

Health plans from CHRISTUS Health Plan, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Oscar Health Insurance and Oscar Health Maintenance Organization of Florida and 3 other insurers 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 November 8, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.