Organization Active NPI

Quest Diagnostics Clinical Laboratories Inc

  • Clinical Medical Laboratory
  • Tampa, FL
National Provider Identifier
1891731626
Registry record updated Sep 8, 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
4225 E Fowler Ave
Tampa, FL 33617-2026
Phone
(800) 282-6613
NPI assigned
Jun 21, 2006
Organization subpart
Yes
Parent organization
QUEST DIAGNOSTICS INCORPORATEDAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Sep 8, 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

4225 E Fowler Ave
Tampa, FL 33617-2026

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 FL

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20040401001708 FL Part B Supplier - Independent Clinical Laboratory 3173420585 14 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment
Practice locations: Pompano Beach, FL; Vero Beach, FL; Tampa, FL; Tallahassee, FL; Orlando, FL; Miramar, FL; Leesburg, FL; Fort Myers, FL…

Other NPIs on the same Medicare enrollment 12

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

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
10D0291120Quest Diagnostics Clinical Laboratories Inc4225 East Fowler Ave, Tampa, FL 33617AccreditationFeb 27, 2027

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 10

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": "1150848000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1788825600000",
    "number": "1891731626",
    "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",
            "fax_number": "610-271-4245"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4225 E FOWLER AVE",
            "city": "TAMPA",
            "state": "FL",
            "postal_code": "336172026",
            "telephone_number": "800-282-6613"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "QUEST DIAGNOSTICS CLINICAL LABORATORIES INC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "QUEST DIAGNOSTICS INCORPORATED",
        "enumeration_date": "2006-06-21",
        "last_updated": "2026-09-08",
        "certification_date": "2026-09-08",
        "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 Tampa, FL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 8, 2026; 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.