Individual provider Active NPI

Hollie Portwine

  • Occupational Therapy Assistant
  • Richland Center, WI
National Provider Identifier
1336891159
Registry record updated Sep 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Occupational Therapy AssistantTaxonomy code 224Z00000X
License
5747-27 Issued in WI
Practice address
1400 W Seminary St
Richland Center, WI 53581-2036
Phone
(608) 647-8931
NPI assigned
Jan 23, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 9, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Occupational Therapy Assistant 224Z00000X 5747-27 WI Primary

Addresses

Primary practice location

1400 W Seminary St
Richland Center, WI 53581-2036

Mailing address

26357 County Hwy Y
Richland Center, WI 53581-8721
Phone (608) 632-1641

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

State licenses

LicenseStateTypeSpecialty
5747-27WIMDOccupational Therapy Assistant

NPI Registry JSON

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

{
    "created_epoch": "1642896000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757376000000",
    "number": "1336891159",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "26357 COUNTY HWY Y",
            "city": "RICHLAND CENTER",
            "state": "WI",
            "postal_code": "535818721",
            "telephone_number": "608-632-1641"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1400 W SEMINARY ST",
            "city": "RICHLAND CENTER",
            "state": "WI",
            "postal_code": "535812036",
            "telephone_number": "608-647-8931"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PORTWINE",
        "first_name": "HOLLIE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-01-23",
        "last_updated": "2025-09-09",
        "certification_date": "2025-09-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "224Z00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapy Assistant",
            "state": "WI",
            "license": "5747-27",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Richland Center, WI

Sources for this page

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