Calvin Madsen, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

85248-20 Issued in WI

Practice address

600 Highland Ave
Madison, WI 53792-1465

Phone

(608) 263-6400

NPI assigned

Apr 11, 2023

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

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

Specialty

Emergency Medicine

Education

University of Texas Medical School at San Antonio, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Southern Wisconsin Emergency Associates SCGroup PAC ID 3274561055, 47 clinicians

University of Wisconsin Medical Foundation IncGroup PAC ID 6608785464, shared by 21 NPIs, 2,537 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Beloit Health System Hospital, Beloit, WI, CCN 520100
• University of Wi Hospitals & Clinics Authority Hospital, Madison, WI, CCN 520098

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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.

• Southern Wisconsin Emergency Associates SC

  • Emergency Medicine Physician
  • Beloit, WI
  • NPI 1568538189
  Medicare reassignment Care Compare group NPD

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

• Beloit Health System Inc

  • General Acute Care Hospital
  • Beloit, WI
  • NPI 1982780094
  Care Compare affiliation
• University of Wisconsin Hospitals and Clinics Authority

  • General Acute Care Hospital
  • Madison, WI
  • NPI 1922043744
  Care Compare affiliation

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

{
    "created_epoch": "1681171200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783382400000",
    "number": "1619662954",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7974 UW HEALTH CT",
            "city": "MIDDLETON",
            "state": "WI",
            "postal_code": "535625531",
            "telephone_number": "608-263-6400"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 HIGHLAND AVE",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537921465",
            "telephone_number": "608-263-6400"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MADSEN",
        "first_name": "CALVIN",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2023-04-11",
        "last_updated": "2026-07-07",
        "certification_date": "2026-07-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WI",
            "license": "85248-20",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Madison Wi BG Opco LLC
• Madison Women'S Health, LLP
• Monica Madrigal, MS
• Tyler Madro, MS, LPC-IT
• Madsen & Hirsch, S.C.
• Craig J. Madsen, D.D.S.
• Madwalk LLC
• Mae Health, Inc
• Kimberly Maerz
• Miranda Magadanz

• Emergency Medicine Physician in Madison, WI
• Providers in Madison, WI by specialty
• Emergency Medicine Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 7, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.