Individual provider Active NPI

Madelyn Rae Zastrow

  • General Practice Dentistry
  • Glendale, WI
National Provider Identifier
1891437877
Registry record updated Feb 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
General Practice DentistryTaxonomy code 1223G0001X
License
6001064-15 Issued in WI
Practice address
6070 N Port Washington Rd
Glendale, WI 53217-4524
Phone
(414) 928-7076
NPI assigned
Apr 11, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 17, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Dentist 122300000X 7865 NE
General Practice Dentistry 1223G0001X 6001064-15 WI Primary
Student in an Organized Health Care Education/Training Program 390200000X

Addresses

Primary practice location

6070 N Port Washington Rd
Glendale, WI 53217-4524

Mailing address

6185 Overlook CT
Greendale, WI 53129-2135

Other practice location 1

1801 W Wisconsin Ave
Milwaukee, WI 53233-2186
Phone (414) 288-6790

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
6001064-15WIMDGeneral Practice Dentistry

NPI Registry JSON

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

{
    "created_epoch": "1649635200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771286400000",
    "number": "1891437877",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6185 OVERLOOK CT",
            "city": "GREENDALE",
            "state": "WI",
            "postal_code": "531292135"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6070 N PORT WASHINGTON RD",
            "city": "GLENDALE",
            "state": "WI",
            "postal_code": "532174524",
            "telephone_number": "414-928-7076"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1801 W Wisconsin Ave",
            "address_purpose": "LOCATION",
            "city": "Milwaukee",
            "state": "WI",
            "postal_code": "532332186",
            "country_code": "US",
            "telephone_number": "414-288-6790",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ZASTROW",
        "first_name": "MADELYN",
        "middle_name": "RAE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-04-11",
        "last_updated": "2026-02-17",
        "certification_date": "2026-02-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "NE",
            "license": "7865",
            "primary": false
        },
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "WI",
            "license": "6001064-15",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Glendale, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 17, 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.