Individual provider Active NPI

Abbey Hillmer

  • Mental Health Counselor
  • Madison, WI
National Provider Identifier
1215812680
Registry record updated Feb 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
License
8190-226 Issued in WI
Practice address
303 S Paterson St Ste 1a
Madison, WI 53703-4534
Phone
(608) 571-0558
Fax
(608) 807-5675
NPI assigned
Aug 6, 2025
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 25, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Counselor 101Y00000X
Mental Health Counselor 101YM0800X 8190-226 WI Primary
Professional Counselor 101YP2500X

Addresses

Primary practice location

303 S Paterson St Ste 1a
Madison, WI 53703-4534

Mailing address

825 Williamson St
Madison, WI 53703-3547

Other names 1

  • Abbey Owenby Former name

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
8190-226WIMDMental Health Counselor

NPI Registry JSON

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

{
    "created_epoch": "1754438400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771977600000",
    "number": "1215812680",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "825 WILLIAMSON ST",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537033547",
            "fax_number": "608-807-5675"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "303 S PATERSON ST STE 1A",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537034534",
            "telephone_number": "608-571-0558",
            "fax_number": "608-807-5675"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HILLMER",
        "first_name": "ABBEY",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-08-06",
        "last_updated": "2026-02-25",
        "certification_date": "2026-02-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101Y00000X",
            "taxonomy_group": "",
            "desc": "Counselor",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "WI",
            "license": "8190-226",
            "primary": true
        },
        {
            "code": "101YP2500X",
            "taxonomy_group": "",
            "desc": "Counselor, Professional",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ABBEY",
            "last_name": "OWENBY",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Madison, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 25, 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.