Organization Active NPI

Quest Diagnostics Clinical Laboratories Inc

  • Clinical Medical Laboratory
  • McAllen, TX
National Provider Identifier
1376333195
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
5201 N 10TH St
McAllen, TX 78504-2708
Phone
(956) 631-5411
NPI assigned
May 7, 2025
Last updated
May 7, 2025By the provider in NPPES
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 NU Primary

Addresses

Primary practice location

5201 N 10TH St
McAllen, TX 78504-2708

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

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
45D2323196Quest Diagnostics Valley Medical Arts5201 N 10TH Street, McAllen, TX 78504RegistrationOct 26, 2027

National Provider Directory

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

Organizations with this tax ID in the same state 21

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

View all 21

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": "1376333195",
    "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": "5201 N 10TH ST",
            "city": "MCALLEN",
            "state": "TX",
            "postal_code": "785042708",
            "telephone_number": "956-631-5411"
        }
    ],
    "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": "NU",
            "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.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.