Charlotte Mertens, RN

Primary specialty

School Registered NurseTaxonomy code 163WS0200X

License

128179-30 Issued in WI

Practice address

100 E Vista Blvd
Markesan, WI 53946-8598

Phone

(920) 398-4301

NPI assigned

Sep 15, 2026

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1789430400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789430400000",
    "number": "1861303356",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 E VISTA BLVD",
            "city": "MARKESAN",
            "state": "WI",
            "postal_code": "539468598",
            "telephone_number": "920-398-4301"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 E VISTA BLVD",
            "city": "MARKESAN",
            "state": "WI",
            "postal_code": "539468598",
            "telephone_number": "920-398-4301"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MERTENS",
        "first_name": "CHARLOTTE",
        "credential": "RN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-09-15",
        "last_updated": "2026-09-15",
        "certification_date": "2026-09-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WS0200X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, School",
            "state": "WI",
            "license": "128179-30",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jorge Andres Hernandez, DDS
• Sherri Mack, PTA
• Markesan District Schools
• Markesan Resident Home Incorporated
• Leesa Ann McShane, A.P.N.P.
• Paul A Miller, DDS
• Peggy Jean Post, COTA
• Nancy Lynn Schweder, R.N.
• Southern Green Lake County Ambulance Service
• Paula Ann Stout, P.T.A.

• School Registered Nurse in Markesan, WI
• Providers in Markesan, WI by specialty
• School Registered Nurse in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 15, 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.