Morgan Mastrostefano

Primary specialty

Acute Care Nurse PractitionerTaxonomy code 363LA2100X

License

17695-33 Issued in WI

Practice address

W180N8085 Town Hall Rd
Menomonee Falls, WI 53051-3518

Phone

(262) 251-1000

NPI assigned

May 21, 2026

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

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Specialty

Nurse Practitioner

Education

University of Wisconsin School of Medicine, 2025

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

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

{
    "created_epoch": "1779321600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779321600000",
    "number": "1437089364",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3685 S WILLOW GLEN DR",
            "city": "NEW BERLIN",
            "state": "WI",
            "postal_code": "531515363",
            "telephone_number": "414-254-9558"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "W180N8085 TOWN HALL RD",
            "city": "MENOMONEE FALLS",
            "state": "WI",
            "postal_code": "530513518",
            "telephone_number": "262-251-1000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3200 Pleasant Valley Rd",
            "address_purpose": "LOCATION",
            "city": "West Bend",
            "state": "WI",
            "postal_code": "530959274",
            "country_code": "US",
            "telephone_number": "262-836-5533",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MASTROSTEFANO",
        "first_name": "MORGAN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-05-21",
        "last_updated": "2026-05-21",
        "certification_date": "2026-05-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "WI",
            "license": "17695-33",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Christopher M. Marowski, M.D.
• David Michael Marshall, MD, MPH
• Brianna Lynn Martin
• Paul J Masse, PHARMD
• Nathania Massie
• Robert A Mathaus, O.D.
• Allyson Matheus, LCSW
• Steffen Matijevich, PHARMD
• Kerry Lee Mattingly, MD
• Alberto A Maya, M.D.

• Acute Care Nurse Practitioner in Menomonee Falls, WI
• Providers in Menomonee Falls, WI by specialty
• Acute Care Nurse Practitioner in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.