Jacqueline Rae Frenz

Primary specialty

Registered NurseTaxonomy code 163W00000X

License

080044 Issued in IA

Practice address

1000 4TH St SW
Mason City, IA 50401-2800

Phone

(641) 428-7053

NPI assigned

Dec 29, 2025

Last updated

Dec 29, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

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

State licenses

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

{
    "created_epoch": "1766966400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766966400000",
    "number": "1619833167",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2 WILLIAMSBURG CIR",
            "city": "MASON CITY",
            "state": "IA",
            "postal_code": "504014514",
            "telephone_number": "641-428-7053"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 4TH ST SW",
            "city": "MASON CITY",
            "state": "IA",
            "postal_code": "504012800",
            "telephone_number": "641-428-7053"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FRENZ",
        "first_name": "JACQUELINE",
        "middle_name": "RAE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-12-29",
        "last_updated": "2025-12-29",
        "certification_date": "2025-12-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "IA",
            "license": "080044",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Four Oaks Family and Children's Services
• Diane S Frakes-Julius, PA
• Melissa A Frame, MD
• Francis Lauer Youth Services
• Joshua William Francois, DO
• Jessalyn Rae Frenz, LMSW
• Fresenius Kidney Care North Iowa, LLC (Fresenius Kidney Care Mason City)
• Robert J Friedrichs, D.C.
• Katelyn Barton Froehner
• Nathan Collin Froehner, CRNA

• Registered Nurse in Mason City, IA
• Providers in Mason City, IA by specialty
• Registered Nurse in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 29, 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.