Individual provider Active NPI

Alyssa Kathryn Steimle, MD

  • Internal Medicine Physician
  • Madison, WI
National Provider Identifier
1891555231
Registry record updated Jan 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
86788-20 Issued in WI
Practice address
Uw Hospitals & Clinics 600 Highland Ave
Madison, WI 53792-0001
Phone
(608) 263-6400
NPI assigned
Mar 21, 2024
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 14, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 86788-20 WI Primary

Addresses

Primary practice location

Uw Hospitals & Clinics 600 Highland Ave
Madison, WI 53792-0001

Mailing address

Uw Hospitals & Clinics 600 Highland Ave
Madison, WI 53792-0001
Phone (608) 263-6400

Other practice location 1

749 University Row Ste 200
Madison, WI 53705-1465
Phone (608) 263-6400

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
I20240625000209 WI Order and Referring Only - Internal MedicinePractitioner - Internal Medicine 3476096975

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
86788-20WIMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
St Luke'S Methodist Hospital Current Accepting new patients

Interoperability endpoints

  • Direct secure messaging: adezeeuw853685@direct.unitypoint.org

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.

NPI Registry JSON

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

{
    "created_epoch": "1710979200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768348800000",
    "number": "1891555231",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "UW HOSPITALS & CLINICS 600 HIGHLAND AVE",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537920001",
            "telephone_number": "608-263-6400"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "UW HOSPITALS & CLINICS 600 HIGHLAND AVE",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537920001",
            "telephone_number": "608-263-6400"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "749 University Row Ste 200",
            "address_purpose": "LOCATION",
            "city": "Madison",
            "state": "WI",
            "postal_code": "537051465",
            "country_code": "US",
            "telephone_number": "608-263-6400",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "STEIMLE",
        "first_name": "ALYSSA",
        "middle_name": "KATHRYN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-03-21",
        "last_updated": "2026-01-14",
        "certification_date": "2026-01-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WI",
            "license": "86788-20",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Madison, WI

Sources for this page

Verify at the official NPI Registry.