Individual provider Active NPI

Allison Mertens, RN

  • Registered Nurse
  • Lake Mills, WI
National Provider Identifier
1265367775
Registry record updated Jun 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Registered NurseTaxonomy code 163W00000X
License
244107-30 Issued in WI
Practice address
120 E Lake Park PL
Lake Mills, WI 53551-1531
Phone
(920) 648-2215
NPI assigned
Jun 16, 2026
Last updated
Jun 16, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 16, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Nurse 163W00000X 244107-30 WI Primary

Addresses

Primary practice location

120 E Lake Park PL
Lake Mills, WI 53551-1531

Mailing address

1132 Red Oak Cir
Johnson Creek, WI 53094-6455
Phone (608) 332-5514

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
Credentials
Registered Nurse

State licenses

LicenseStateTypeSpecialty
244107-30WIMDRegistered Nurse

NPI Registry JSON

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

{
    "created_epoch": "1781568000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781568000000",
    "number": "1265367775",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1132 RED OAK CIR",
            "city": "JOHNSON CREEK",
            "state": "WI",
            "postal_code": "530946455",
            "telephone_number": "608-332-5514"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "120 E LAKE PARK PL",
            "city": "LAKE MILLS",
            "state": "WI",
            "postal_code": "535511531",
            "telephone_number": "920-648-2215"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MERTENS",
        "first_name": "ALLISON",
        "credential": "RN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-06-16",
        "last_updated": "2026-06-16",
        "certification_date": "2026-06-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "WI",
            "license": "244107-30",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lake Mills, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 16, 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.