Organization Active NPI

Quest Diagnostics Clinical Laboratories Inc

  • Clinical Medical Laboratory
  • Tucker, GA
National Provider Identifier
1932166386
Registry record updated Mar 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Medical LaboratoryTaxonomy code 291U00000X
License
11D0255931 Issued in GA
Legal business name
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC
Practice address
1777 Montreal Cir
Tucker, GA 30084-6802
Phone
(866) 697-8378
NPI assigned
Apr 28, 2006
Organization subpart
Yes
Parent organization
QUEST DIAGNOSTICS INCORPORATEDAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Mar 21, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Leah D Timmerman
Title
Vice President
Phone
(973) 520-2700

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Medical Laboratory 291U00000X 11D0255931 GA Primary

Addresses

Primary practice location

1777 Montreal Cir
Tucker, GA 30084-6802

Mailing address

4770 Regent Blvd
Provider Enrollment Department
Irving, TX 75063-2445
Phone (866) 697-8378

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in GA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20050526000426 GA Part B Supplier - Independent Clinical Laboratory 3173420585 1 other NPI on this enrollment
Practice locations: Tucker, GA

Other NPIs with the same Medicare PAC ID 22

NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).

View all 22

Other NPIs on the same Medicare enrollment 1

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

National Provider Directory

National Provider Directory
Part of
Questdiagnost Ic Inc

Locations

8407 Fallbrook Ave
Ste 100
West Hills, CA 91304
Phone (747) 288-4161

1777 Montreal Cir
Tucker, GA 30084
Phone (770) 934-9200

Ownership & related parties

Parent organization (reported in NPPES) 1

This organization reports itself as a subpart in NPPES; the parent’s legal name matches this organization in the same state.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1146182400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1774051200000",
    "number": "1932166386",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4770 REGENT BLVD",
            "address_2": "PROVIDER ENROLLMENT DEPARTMENT",
            "city": "IRVING",
            "state": "TX",
            "postal_code": "750632445",
            "telephone_number": "866-697-8378",
            "fax_number": "610-271-4245"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1777 MONTREAL CIR",
            "city": "TUCKER",
            "state": "GA",
            "postal_code": "300846802",
            "telephone_number": "866-697-8378"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "QUEST DIAGNOSTICS CLINICAL LABORATORIES INC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "QUEST DIAGNOSTICS INCORPORATED",
        "enumeration_date": "2006-04-28",
        "last_updated": "2026-03-21",
        "certification_date": "2026-03-21",
        "status": "A",
        "authorized_official_last_name": "TIMMERMAN",
        "authorized_official_first_name": "LEAH",
        "authorized_official_middle_name": "D",
        "authorized_official_title_or_position": "VICE PRESIDENT",
        "authorized_official_telephone_number": "973-520-2700"
    },
    "taxonomies": [
        {
            "code": "291U00000X",
            "taxonomy_group": "",
            "desc": "Clinical Medical Laboratory",
            "state": "GA",
            "license": "11D0255931",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Tucker, GA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.