Crystal Sadowski, NP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

16688-33 Issued in WI

Practice address

4823 Fairway Dr
Waterford, WI 53185-3389

Phone

(414) 801-2145

NPI assigned

May 15, 2025

Sex

Unspecified or another gender identity

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

Credentials

Nurse Practitioner

State licenses

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

{
    "created_epoch": "1747267200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747267200000",
    "number": "1699566984",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4823 FAIRWAY DR",
            "city": "WATERFORD",
            "state": "WI",
            "postal_code": "531853389"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4823 FAIRWAY DR",
            "city": "WATERFORD",
            "state": "WI",
            "postal_code": "531853389",
            "telephone_number": "414-801-2145"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SADOWSKI",
        "first_name": "CRYSTAL",
        "credential": "NP",
        "sole_proprietor": "YES",
        "sex": "X",
        "enumeration_date": "2025-05-15",
        "last_updated": "2025-05-15",
        "certification_date": "2025-05-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WI",
            "license": "16688-33",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Family Nurse Practitioner in Waterford, WI
• Providers in Waterford, WI by specialty
• Family Nurse Practitioner in Wisconsin

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