NPIMap

Organization Active NPI

Quest Diagnostics Clinical Laboratories Inc

  • Clinical Medical Laboratory
  • Norristown, PA
National Provider Identifier
1205872041
Registry record updated Oct 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Medical LaboratoryTaxonomy code 291U00000X
License
39D0204404 Issued in PA
Legal business name
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC
Practice address
400 Egypt Rd
Norristown, PA 19403-3406
Phone
(215) 957-9300
NPI assigned
Jun 21, 2006
Last updated
Oct 9, 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 9, 2026

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

Authorized official

Name
Leah D Timmerman
Title
SVP Health Plans
Phone
(973) 520-2700

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Medical Laboratory 291U00000X 39D0204404 PA Primary

Addresses

Primary practice location

400 Egypt Rd
Norristown, PA 19403-3406

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 PA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20040119000210 PA Part B Supplier - Independent Clinical Laboratory 3173420585 2 other NPIs on this enrollment
Practice locations: Norristown, PA

Other NPIs with the same Medicare PAC ID 22

NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).

View all 22

Other NPIs on the same Medicare enrollment 2

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

National Provider Directory

National Provider Directory
Part of
Quest Diagnostics Inc P

Locations

6701 Carnegie Ave
Ste 500
Cleveland, OH 44103
Phone (216) 426-6081

900 Business Center Dr
Horsham, PA 19044
Phone (215) 442-7673

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": "1791504000000",
    "number": "1205872041",
    "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": "400 EGYPT RD",
            "city": "NORRISTOWN",
            "state": "PA",
            "postal_code": "194033406",
            "telephone_number": "215-957-9300"
        }
    ],
    "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": "2026-10-09",
        "certification_date": "2026-10-09",
        "status": "A",
        "authorized_official_last_name": "TIMMERMAN",
        "authorized_official_first_name": "LEAH",
        "authorized_official_middle_name": "D",
        "authorized_official_title_or_position": "SVP HEALTH PLANS",
        "authorized_official_telephone_number": "973-520-2700"
    },
    "taxonomies": [
        {
            "code": "291U00000X",
            "taxonomy_group": "",
            "desc": "Clinical Medical Laboratory",
            "state": "PA",
            "license": "39D0204404",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Norristown, PA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 9, 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.