Individual provider Active NPI

William Paul Stewart, MSW

  • Social Worker
  • Brown Deer, WI
National Provider Identifier
1114010519
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Social WorkerTaxonomy code 104100000X
Practice address
3900 W Brown Deer Rd
Suite 200
Brown Deer, WI 53209
Phone
(414) 540-2170
Fax
(414) 540-2171
NPI assigned
Sep 30, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Counselor 101Y00000X
Social Worker 104100000X Primary

Addresses

Primary practice location

3900 W Brown Deer Rd
Suite 200
Brown Deer, WI 53209

Mailing address

3900 W Brown Deer Rd
Suite 200
Brown Deer, WI 53209
Phone (414) 540-2170

Other identifiers 1

IdentifierTypeStateIssuer
40993900MedicaidWI

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": "1159574400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1114010519",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3900 W BROWN DEER RD",
            "address_2": "SUITE 200",
            "city": "BROWN DEER",
            "state": "WI",
            "postal_code": "53209",
            "telephone_number": "414-540-2170",
            "fax_number": "414-540-2171"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3900 W BROWN DEER RD",
            "address_2": "SUITE 200",
            "city": "BROWN DEER",
            "state": "WI",
            "postal_code": "53209",
            "telephone_number": "414-540-2170",
            "fax_number": "414-540-2171"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STEWART",
        "first_name": "WILLIAM",
        "middle_name": "PAUL",
        "name_prefix": "Mr.",
        "credential": "MSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-30",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101Y00000X",
            "taxonomy_group": "",
            "desc": "Counselor",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "40993900",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Brown Deer, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.