Individual provider Active NPI

Madison Holloway, PA-C

  • Physician Assistant
  • Whippany, NJ
National Provider Identifier
1518892991
Registry record updated Aug 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
Practice address
91 S Jefferson Rd
Whippany, NJ 07981-1037
Phone
(973) 325-6400
NPI assigned
Jun 16, 2026
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 5, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician AssistantGroup: 193400000X SINGLE SPECIALTY GROUP 363A00000X Primary

Addresses

Primary practice location

91 S Jefferson Rd
Whippany, NJ 07981-1037

Mailing address

63 Tall Timber Rd
Middletown, NJ 07748-1904
Phone (732) 865-1487

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

NPI Registry JSON

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

{
    "created_epoch": "1781568000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785888000000",
    "number": "1518892991",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "63 TALL TIMBER RD",
            "city": "MIDDLETOWN",
            "state": "NJ",
            "postal_code": "077481904",
            "telephone_number": "732-865-1487"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "91 S JEFFERSON RD",
            "city": "WHIPPANY",
            "state": "NJ",
            "postal_code": "079811037",
            "telephone_number": "973-325-6400"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLLOWAY",
        "first_name": "MADISON",
        "credential": "PA-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-06-16",
        "last_updated": "2026-08-05",
        "certification_date": "2026-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Whippany, NJ

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 5, 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.