Shirley Jean Maas, R.N.

Primary specialty

Case Management Registered NurseTaxonomy code 163WC0400X

Practice address

108 W Davis St
Beaver Dam, WI 53916-2814

Phone

(920) 887-8183

NPI assigned

Apr 26, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Registered Nurse

State licenses

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

{
    "created_epoch": "1146009600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1023074150",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "108 W DAVIS ST",
            "city": "BEAVER DAM",
            "state": "WI",
            "postal_code": "539162814",
            "telephone_number": "920-887-8183"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "108 W DAVIS ST",
            "city": "BEAVER DAM",
            "state": "WI",
            "postal_code": "539162814",
            "telephone_number": "920-887-8183"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAAS",
        "first_name": "SHIRLEY",
        "middle_name": "JEAN",
        "name_prefix": "Mrs.",
        "credential": "R.N.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-04-26",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "WI",
            "license": null,
            "primary": false
        },
        {
            "code": "163WC0400X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Case Management",
            "state": "WI",
            "license": null,
            "primary": true
        },
        {
            "code": "163WH0200X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Home Health",
            "state": "WI",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jeffrey Howard Lovell, M.D.
• Richard Lu, APNP
• Sharon Lubkeman
• Matthew Tomas Lundin, ATC
• Allison Lynch, APNP
• Judy A Macdonald, NP
• Nestor Enrique Machare-Delgado, MD
• Madison Vamc
• Nidhi Mahajan, DMD
• Riley Jean Malliet

• Case Management Registered Nurse in Beaver Dam, WI
• Providers in Beaver Dam, WI by specialty
• Case Management Registered Nurse in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.