NPIMap

Organization Active NPI

Quest Diagnostics Clinical Laboratories Inc

  • Clinical Medical Laboratory
  • McAllen, TX
National Provider Identifier
1831989607
Registry record updated May 7, 2025
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
5128 N 10TH St
McAllen, TX 78504-2834
Phone
(956) 631-3831
NPI assigned
May 7, 2025
Organization subpart
Yes
Parent organization
QUEST DIAGNOSTICS INCORPORATEDAs reported in NPPES

NPPES NPI Registry

Updated by the provider on May 7, 2025

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

Authorized official

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Medical Laboratory 291U00000X Primary

Addresses

Primary practice location

5128 N 10TH St
McAllen, TX 78504-2834

Mailing address

14275 Midway Rd Ste 400
Addison, TX 75001-3661

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20040210000373 TX Part B Supplier - Independent Clinical Laboratory 3173420585 29 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment
Practice locations: Webster, TX; Weatherford, TX; The Woodlands, TX; Spring, TX; San Benito, TX; San Antonio, TX; Mesquite, TX; McAllen, TX…

Other NPIs on the same Medicare enrollment 22

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

View all 22

National Provider Directory

National Provider Directory
Tax ID family
Quest Diags Clin Labs Inc101 organizations share this tax ID, including this one
Part of
Questdiagnost Ic Inc

Organizations with this tax ID in the same state 18

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

View all 18

NPI Registry JSON

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

{
    "created_epoch": "1746576000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1746576000000",
    "number": "1831989607",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "14275 MIDWAY RD STE 400",
            "city": "ADDISON",
            "state": "TX",
            "postal_code": "750013661",
            "fax_number": "610-271-4245"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5128 N 10TH ST",
            "city": "MCALLEN",
            "state": "TX",
            "postal_code": "785042834",
            "telephone_number": "956-631-3831"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "QUEST DIAGNOSTICS CLINICAL LABORATORIES INC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "QUEST DIAGNOSTICS INCORPORATED",
        "enumeration_date": "2025-05-07",
        "last_updated": "2025-05-07",
        "certification_date": "2025-05-07",
        "status": "A",
        "authorized_official_last_name": "TIMMERMAN",
        "authorized_official_first_name": "LEAH",
        "authorized_official_middle_name": "D",
        "authorized_official_title_or_position": "VP",
        "authorized_official_telephone_number": "973-520-2700"
    },
    "taxonomies": [
        {
            "code": "291U00000X",
            "taxonomy_group": "",
            "desc": "Clinical Medical Laboratory",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in McAllen, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 7, 2025; 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.