Sarah Gruettner, RN

Primary specialty

School Registered NurseTaxonomy code 163WS0200X

License

18589030 Issued in WI

Practice address

6415 W Mount Vernon Ave
Milwaukee, WI 53213-4025

Phone

(414) 935-1320

NPI assigned

Oct 6, 2026

Last updated

Oct 6, 2026By the provider in NPPES

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

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

{
    "created_epoch": "1791244800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791244800000",
    "number": "1679477335",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8936 W LAWRENCE AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532255037"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6415 W MOUNT VERNON AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532134025",
            "telephone_number": "414-935-1320"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRUETTNER",
        "first_name": "SARAH",
        "credential": "RN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-10-06",
        "last_updated": "2026-10-06",
        "certification_date": "2026-10-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WS0200X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, School",
            "state": "WI",
            "license": "18589030",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Dean Matthew Gruber, RPH
• Milosh Grubor, M.D.
• Robert A Gruenberg, PSY.D.
• James Richard Gruenewald, PA-C
• Penny Lue Gruettner, R.D.
• Brenda J Grulke, LPC
• Clement M Grum, M.D.
• John T. Grum, M.D.
• Karen Elizabeth Grumstrup, NURSE PRACTITIONER
• Raymond E Grundman, RN, MSN, FNP-C

• School Registered Nurse in Milwaukee, WI
• Providers in Milwaukee, 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 Oct 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.