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Individual provider Active NPI

Aronne Michael Schottstaedt, MD

  • Radiation Oncology Physician
  • Milwaukee, WI
National Provider Identifier
1689230070
Registry record updated Jun 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Radiation Oncology PhysicianTaxonomy code 2085R0001X
License
77842-20 Issued in WI
Practice address
8850 William Coffey Dr
Milwaukee, WI 53226-1264
Phone
(707) 776-7135
NPI assigned
May 12, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 11, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X Z80299 OH
Radiation Oncology Physician 2085R0001X 77842-20 WI Primary

Addresses

Primary practice location

8850 William Coffey Dr
Milwaukee, WI 53226-1264

Mailing address

601 E Erie St Unit 612
Milwaukee, WI 53202-6227
Phone (707) 776-7135

Other names 1

  • Dr. Aj Michael Schottstaedt Other name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250925004176 WI Practitioner - Radiation Oncology 4486019940 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Radiation Oncology
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Radiation Oncology Associates LTDGroup PAC ID 7618924622, 23 clinicians

Practice addresses (Care Compare)

Mequon, WI 53092
Phone (262) 241-5040

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
Z80299OHMDStudent in an Organized Health Care Education/Training Program

Practice roles

OrganizationSpecialtyStatusNew patients
Radiation Oncology Associates, LTD Radiation Oncology CurrentSince Sep 8, 2025 Accepting new patients

Locations

19333 W North Ave
Brookfield, WI 53045
Phone (262) 785-2000

7410 W Rawson Ave
Franklin, WI 53132
Phone (414) 427-2360

975 Port Washington Rd
Grafton, WI 53024
Phone (262) 329-1000

2845 Greenbrier Rd
Green Bay, WI 54311
Phone (920) 288-3388

6811 118th Ave
Kenosha, WI 53142
Phone (262) 857-5750

11516 N Port Washington Rd
Ste 107
Mequon, WI 53092
Phone (262) 241-5040

2900 W Oklahoma Ave
Milwaukee, WI 53215
Phone (414) 385-2590

945 N 12th St
Ste 102
Milwaukee, WI 53233

3809 Spring St
Mount Pleasant, WI 53405
Phone (262) 687-5000

1222 N 23rd St
Sheboygan, WI 53081
Phone (920) 457-4461

36500 Aurora Dr
Summit, WI 53066
Phone (262) 434-1000

8901 W Lincoln Ave
West Allis, WI 53227
Phone (414) 328-6000

Organizations & group practices 1

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.

Hospital & facility affiliations 7

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1557619200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749600000000",
    "number": "1689230070",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "601 E ERIE ST UNIT 612",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532026227",
            "telephone_number": "707-776-7135"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8850 WILLIAM COFFEY DR",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532261264",
            "telephone_number": "707-776-7135"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SCHOTTSTAEDT",
        "first_name": "ARONNE",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-05-12",
        "last_updated": "2025-06-11",
        "certification_date": "2025-06-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "OH",
            "license": "Z80299",
            "primary": false
        },
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "WI",
            "license": "77842-20",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "AJ",
            "last_name": "SCHOTTSTAEDT",
            "middle_name": "MICHAEL",
            "prefix": "DR.",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Milwaukee, WI

Sources for this page

Verify at the official NPI Registry.