Individual provider Active NPI

William Edward Harrison, M.D.

  • Specialist
  • Little Rock, AR
National Provider Identifier
1902874340
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
SpecialistTaxonomy code 174400000X
License
C4600 Issued in AR
Practice address
500 S University Ave
Suite 801
Little Rock, AR 72205-5302
Phone
(591) 664-9232
Fax
(501) 664-8227
NPI assigned
Mar 10, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Specialist 174400000X C4600 AR Primary

Addresses

Primary practice location

500 S University Ave
Suite 801
Little Rock, AR 72205-5302

Mailing address

500 S University Ave
Suite 801
Little Rock, AR 72205-5302
Phone (591) 664-9232

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
HHS exclusion list flag
Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
C4600ARMDSpecialist

NPI Registry JSON

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

{
    "created_epoch": "1141948800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1902874340",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 S UNIVERSITY AVE",
            "address_2": "SUITE 801",
            "city": "LITTLE ROCK",
            "state": "AR",
            "postal_code": "722055302",
            "telephone_number": "591-664-9232",
            "fax_number": "501-664-8227"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 S UNIVERSITY AVE",
            "address_2": "SUITE 801",
            "city": "LITTLE ROCK",
            "state": "AR",
            "postal_code": "722055302",
            "telephone_number": "591-664-9232",
            "fax_number": "501-664-8227"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HARRISON",
        "first_name": "WILLIAM",
        "middle_name": "EDWARD",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-10",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "AR",
            "license": "C4600",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Little Rock, AR

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.