Organization Active NPI

Quest Diagnostics LLC

  • Clinical Medical Laboratory
  • Fridley, MN
National Provider Identifier
1760380760
Registry record updated Oct 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Medical LaboratoryTaxonomy code 291U00000X
Legal business name
QUEST DIAGNOSTICS LLC
Practice address
5255 E River Rd Ste 201
Fridley, MN 55421-1026
Phone
(866) 697-8378
NPI assigned
Oct 29, 2026
Last updated
Oct 29, 2026By the provider in NPPES
Organization subpart
Yes
Parent organization
QUEST DIAGNOSTICS INCORPORATEDAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Oct 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
(973) 520-2700

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Medical Laboratory 291U00000X Primary

Addresses

Primary practice location

5255 E River Rd Ste 201
Fridley, MN 55421-1026

Mailing address

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

National Provider Directory

National Provider Directory
Tax ID family
Quest Diagnostics LLC Il25 organizations share this tax ID, including this one

Other organizations with this tax ID 24

Organizations that report the same tax identification number in the National Provider Directory.

View all 24

NPI Registry JSON

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

{
    "created_epoch": "1793232000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1793232000000",
    "number": "1760380760",
    "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": "5255 E RIVER RD STE 201",
            "city": "FRIDLEY",
            "state": "MN",
            "postal_code": "554211026",
            "telephone_number": "866-697-8378"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "QUEST DIAGNOSTICS LLC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "QUEST DIAGNOSTICS INCORPORATED",
        "enumeration_date": "2026-10-29",
        "last_updated": "2026-10-29",
        "certification_date": "2026-10-29",
        "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": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fridley, MN

Sources for this page

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