Quest Diagnostics LLC
Quest Diagnostics LLC is a healthcare organization registered as Clinical Medical Laboratory in Hartford, CT, holding Type 2 (organization) NPI 1790987261 since 2007. The authorized official on file is Charles Bowles, Vice President.
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| NPI | 1790987261 |
|---|---|
| Entity type | Organization (Type 2) |
| Legal business name | Quest Diagnostics LLC |
| Parent organization | Quest Diagnostics Incorporated |
| Practice address | 21 WOODLAND ST, Hartford, CT, 06105 |
| Phone | 8778682191 |
| Enumeration date | 2007-06-05 |
| Last updated in NPPES | 2022-11-08 |
Authorized official
| Name | Charles Bowles |
|---|---|
| Title | Vice President |
| Phone | 6104544122 |
Taxonomy & classification
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 291U00000X | Clinical Medical Laboratory | Primary | 07D0094149 | CT |
Copy-ready billing details
Provider: Quest Diagnostics LLC NPI: 1790987261 Taxonomy: 291U00000X (Clinical Medical Laboratory) Address: 21 WOODLAND ST, Hartford, CT, 06105
Providers at this address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1578536272 | Alan Fine | Individual | Obstetrics & Gynecology Physician | Hartford, CT |
| 1184691800 | Danilo Pangilinan | Individual | Internal Medicine Physician | Hartford, CT |
| 1437104833 | Theodoros Koromilos | Individual | Chiropractor | Hartford, CT |
| 1164468237 | Charles Kantor | Individual | Internal Medicine Physician | Hartford, CT |
| 1811921356 | William Maron | Individual | Ophthalmology Physician | Hartford, CT |
| 1740209618 | Women'S Health Care Associates, P.C. | Organization | Obstetrics & Gynecology Physician | Hartford, CT |
| 1083713986 | Barbara Koblenz | Individual | Gynecology Physician | Hartford, CT |
| 1134297732 | Advanced Chiropractic and Medical Services | Organization | Physical Therapist | Hartford, CT |
Verify this record
Cross-check NPI 1790987261 against the authoritative CMS record: view Quest Diagnostics LLC on the official NPPES registry .
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.
Frequently asked questions
Who is the authorized official for Quest Diagnostics LLC?
What is the NPI number for Quest Diagnostics LLC?
Source: CMS NPPES (public data). Snapshot 2026-07-09. Provider record last updated 2022-11-08.