NPIMap

Individual provider Active NPI

Hannah Seyller

  • Emergency Medicine Physician
  • Milwaukee, WI
National Provider Identifier
1154071421
Registry record updated Jul 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
85586-20 Issued in WI
Practice address
9200 W Wisconsin Ave
Milwaukee, WI 53226-3522
Phone
(414) 955-6450
Fax
(414) 955-0082
NPI assigned
Mar 28, 2022
Last updated
Jul 10, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 10, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 85586-20 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) 955-6450

Other identifiers 1

IdentifierTypeStateIssuer
1154071421MedicaidWI

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
I20250606002624 WI Practitioner - Emergency Medicine 1355851551 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2022
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

W180 N8065 Town Hall Rd
Menomonee Falls, WI 53051-3518
Phone (262) 251-1000

W180N8071 Town Hall Rd
Menomonee Falls, WI 53051-3518
Phone (262) 253-2700

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

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
85586-20WIMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Froedtert &the Medical College of Wisconsin Community Physicians, Inc. CurrentSince Jul 21, 2025 Accepting new patients
Froedtert &the Medical College of Wisconsin Community Physicians, Inc. CurrentSince Jul 21, 2025 Accepting new patients
The Medical College of Wisconsin, Inc. Emergency Medicine CurrentSince Jul 1, 2025 Accepting new patients
The Metrohealth System Current Accepting new patients

Locations

2500 Metrohealth Dr
Cleveland, OH 44109
Phone (216) 778-2348

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

N74W12501 Leatherwood Ct
Menomonee Falls, WI 53051
Phone (414) 454-4744

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

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

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

Interoperability endpoints

  • Direct secure messaging: hseyller222152@direct.metrohealth.org
  • Direct secure messaging: hseyller886769@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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 6

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": "1648425600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752105600000",
    "number": "1154071421",
    "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": "414-955-6450",
            "fax_number": "414-955-0082"
        },
        {
            "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": "414-955-6450",
            "fax_number": "414-955-0082"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SEYLLER",
        "first_name": "HANNAH",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-03-28",
        "last_updated": "2025-07-10",
        "certification_date": "2025-07-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WI",
            "license": "85586-20",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1154071421",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Milwaukee, WI

Sources for this page

Verify at the official NPI Registry.