NPIMap

Organization Active NPI

Quest Diagnostics Clinical Laboratories Inc

  • Clinical Medical Laboratory
  • Mission, TX
National Provider Identifier
1932021847
Registry record updated Jul 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Medical LaboratoryTaxonomy code 291U00000X
Legal business name
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC
Practice address
1920 E Griffin Pkwy
Mission, TX 78572-3106
Phone
(956) 584-3353
NPI assigned
Jul 30, 2026
Last updated
Jul 30, 2026By the provider in NPPES
Organization subpart
Yes
Parent organization
QUEST DIAGNOSTICS INCORPORATEDAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Jul 30, 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 NU Primary

Addresses

Primary practice location

1920 E Griffin Pkwy
Mission, TX 78572-3106

Mailing address

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

National Provider Directory

National Provider Directory
Tax ID family
Smithkline Beecham Labo101 organizations share this tax ID, including this one

Organizations with this tax ID in the same state 14

This tax ID family is large, so up to 24 of its organizations in the same state are linked here.

View all 14

NPI Registry JSON

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

{
    "created_epoch": "1785369600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1785369600000",
    "number": "1932021847",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4770 REGENT BLVD",
            "city": "IRVING",
            "state": "TX",
            "postal_code": "750632445",
            "telephone_number": "866-697-8378"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1920 E GRIFFIN PKWY",
            "city": "MISSION",
            "state": "TX",
            "postal_code": "785723106",
            "telephone_number": "956-584-3353"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "QUEST DIAGNOSTICS CLINICAL LABORATORIES INC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "QUEST DIAGNOSTICS INCORPORATED",
        "enumeration_date": "2026-07-30",
        "last_updated": "2026-07-30",
        "certification_date": "2026-07-29",
        "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": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Mission, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 30, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.