Individual provider Active NPI

Erin Buchanan, MD

  • Surgery Physician
  • Milwaukee, WI
National Provider Identifier
1649774506
Registry record updated Sep 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
7300220 Issued in WI
Practice address
9200 W Wisconsin Ave
Milwaukee, WI 53226-3522
Phone
(414) 955-1800
Fax
(414) 955-0065
NPI assigned
Mar 23, 2018
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 29, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X 7300220 WI Primary

Addresses

Primary practice location

9200 W Wisconsin Ave
Milwaukee, WI 53226-3522

Mailing address

9200 W Wisconsin Ave
Milwaukee, WI 53226-3522
Phone (414) 955-1800

Other practice location 1

8701 W Watertown Plank Rd
Milwaukee, WI 53226-3548
Phone (414) 955-4575

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20251008000305 WI Practitioner - Vascular Surgery 2668802927 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Vascular Surgery
Education
New York Medical College, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
The Medical College of Wisconsin IncGroup PAC ID 2668384371, 2,092 clinicians

Practice addresses (Care Compare)

8701 W Watertown Plank
Milwaukee, WI 53226-3548
Phone (414) 805-3666

8701 Watertown Plank Rd
Room 4041 MFRC
Milwaukee, WI 53226-3548
Phone (414) 805-3666

W168N11237 Western Ave
Germantown, WI 53022-3239
Phone (262) 253-5060

W180N8085 Town Hall Rd
FL 3
Menomonee Falls, WI 53051-3518
Phone (262) 251-1000

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of tissue1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
7300220WIMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Froedtert &the Medical College of Wisconsin Community Physicians, Inc. CurrentSince Sep 29, 2025 Accepting new patients
Froedtert &the Medical College of Wisconsin Community Physicians, Inc. CurrentSince Sep 29, 2025 Accepting new patients
The Medical College of Wisconsin, Inc. Surgery CurrentSince Sep 29, 2025 Accepting new patients
The Medical College of Wisconsin Inc Past Accepting new patients

Locations

W168N11237 Western Ave
Germantown, WI 53022
Phone (262) 253-5060

8701 Watertown Plank Rd
Wauwatosa, WI 53226
Phone (414) 456-4100

1155 N Mayfair Rd
Wauwatosa, WI 53226
Phone (414) 955-5990

9200 W Wisconsin Ave
Wauwatosa, WI 53226
Phone (414) 259-3000

Interoperability endpoints

  • Direct secure messaging: ebuchananmd252935@direct.froedtert.com

Organizations & group practices 4

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 2

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": "1521763200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759104000000",
    "number": "1649774506",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9200 W WISCONSIN AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532263522",
            "telephone_number": "414-955-1800",
            "fax_number": "414-955-0065"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9200 W WISCONSIN AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532263522",
            "telephone_number": "414-955-1800",
            "fax_number": "414-955-0065"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8701 W Watertown Plank Rd",
            "address_purpose": "LOCATION",
            "city": "Milwaukee",
            "state": "WI",
            "postal_code": "532263548",
            "country_code": "US",
            "telephone_number": "414-955-4575",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BUCHANAN",
        "first_name": "ERIN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-03-23",
        "last_updated": "2025-09-29",
        "certification_date": "2025-09-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "WI",
            "license": "7300220",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Milwaukee, WI

Sources for this page

Verify at the official NPI Registry.