Individual provider Active NPI

Joseph James Willerth

  • Behavior Technician
  • Saint Francis, WI
National Provider Identifier
1124998299
Registry record updated Nov 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Behavior TechnicianTaxonomy code 106S00000X
Practice address
1616 E Eden PL
Saint Francis, WI 53235-3643
Phone
(414) 559-5008
NPI assigned
Nov 5, 2025
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Nov 5, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Behavior Technician 106S00000X WI Primary

Addresses

Primary practice location

1616 E Eden PL
Saint Francis, WI 53235-3643

Mailing address

1616 E Eden PL
Saint Francis, WI 53235-3643
Phone (414) 559-5008

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": "1762300800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762300800000",
    "number": "1124998299",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1616 E EDEN PL",
            "city": "SAINT FRANCIS",
            "state": "WI",
            "postal_code": "532353643",
            "telephone_number": "414-559-5008"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1616 E EDEN PL",
            "city": "SAINT FRANCIS",
            "state": "WI",
            "postal_code": "532353643",
            "telephone_number": "414-559-5008"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLERTH",
        "first_name": "JOSEPH",
        "middle_name": "JAMES",
        "name_prefix": "Mr.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-11-05",
        "last_updated": "2025-11-05",
        "certification_date": "2025-11-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "106S00000X",
            "taxonomy_group": "",
            "desc": "Behavior Technician",
            "state": "WI",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Francis, WI

Sources for this page

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