NPIMap

Organization Active NPI

Quest Diagnostics Clinical Laboratories Inc

  • Clinical Medical Laboratory
  • Aurora, CO
National Provider Identifier
1194297515
Registry record updated Jul 29, 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
15132 E Hampden Ave Ste G
Aurora, CO 80014-5038
Phone
(303) 762-6546
NPI assigned
Dec 24, 2018
Organization subpart
Yes
Parent organization
QUEST DIAGNOSTICS INCORPORATEDAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Jul 29, 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
(866) 697-8378

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Medical Laboratory 291U00000X Primary

Addresses

Primary practice location

15132 E Hampden Ave Ste G
Aurora, CO 80014-5038

Mailing address

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

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20180427001994 CO Part B Supplier - Independent Clinical Laboratory 3173420585 22 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment
Practice locations: Aurora, CO; Colorado Springs, CO; Denver, CO

Other NPIs on the same Medicare enrollment 16

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

View all 16

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 6

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

NPI Registry JSON

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

{
    "created_epoch": "1545609600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1785283200000",
    "number": "1194297515",
    "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": "15132 E HAMPDEN AVE STE G",
            "city": "AURORA",
            "state": "CO",
            "postal_code": "800145038",
            "telephone_number": "303-762-6546"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "QUEST DIAGNOSTICS CLINICAL LABORATORIES INC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "QUEST DIAGNOSTICS INCORPORATED",
        "enumeration_date": "2018-12-24",
        "last_updated": "2026-07-29",
        "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": "866-697-8378"
    },
    "taxonomies": [
        {
            "code": "291U00000X",
            "taxonomy_group": "",
            "desc": "Clinical Medical Laboratory",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Aurora, CO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 29, 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.