Rebecca Massart, NP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

2605-033 Issued in WI

Practice address

1475 W Grand Ave
Port Washington, WI 53074-2074

Phone

(262) 268-5100

NPI assigned

Dec 11, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Electronic endpoints 2

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Aurora Medical Group, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Manitowoc, WI
  • NPI 1801941075
  NPD (past)

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

{
    "created_epoch": "1165795200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759795200000",
    "number": "1497815237",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 735044",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606735044",
            "telephone_number": "800-326-2250"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1475 W GRAND AVE",
            "city": "PORT WASHINGTON",
            "state": "WI",
            "postal_code": "530742074",
            "telephone_number": "262-268-5100"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2205 N Calhoun Rd",
            "address_purpose": "LOCATION",
            "city": "Brookfield",
            "state": "WI",
            "postal_code": "530055062",
            "country_code": "US",
            "telephone_number": "262-784-2131",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4349 Raymir Pl",
            "address_purpose": "LOCATION",
            "city": "Wauwatosa",
            "state": "WI",
            "postal_code": "532221141",
            "country_code": "US",
            "telephone_number": "262-787-2114",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4349 Raymir Pl",
            "address_purpose": "LOCATION",
            "city": "Wauwatosa",
            "state": "WI",
            "postal_code": "532221141",
            "country_code": "US",
            "telephone_number": "262-787-2114",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MASSART",
        "first_name": "REBECCA",
        "name_prefix": "Mrs.",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-12-11",
        "last_updated": "2025-10-07",
        "certification_date": "2025-10-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WI",
            "license": "2605-033",
            "primary": true
        },
        {
            "code": "363LW0102X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Women's Health",
            "state": "WI",
            "license": "2605-033",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "36033600",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rmassart92745@direct.myadvocateaurora.org",
            "affiliation": "N",
            "address_1": "4349 Raymir Pl",
            "city": "Wauwatosa",
            "state": "WI",
            "country_code": "US",
            "postal_code": "532221141",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "4349 Raymir Pl",
            "city": "Wauwatosa",
            "state": "WI",
            "country_code": "US",
            "postal_code": "532221141",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Brooke Marie Lund, STUDENT
• Adam Lysak, DDS
• Claire Maas, LCSW
• Octavia N Manuel-Wright, PMHNP-BC
• Michael A Martella, D.O.
• Stephanie M Maves, MD
• Margaret I McClutchy, LPC
• Douglas B McManus, MD
• Medical Supportive Care LLC
• Lorene Menchaca, LCSW, MSW

• Nurse Practitioner in Port Washington, WI
• Providers in Port Washington, WI by specialty
• Nurse Practitioner in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 7, 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.