Quick answers
- Which hospitals does Calvin Madsen work at?
- Medicare's official clinician data lists Calvin Madsen at 2 hospitals: Beloit Health System and University of WI Hospitals & Clinics Authority. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Calvin Madsen see patients?
- Medicare's clinician data lists 3 practice locations, including Beloit, WI and Madison, WI. Call before your visit to confirm the address.
- What is Calvin Madsen's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Calvin Madsen accept Medicare assignment?
- Yes. Medicare's clinician data says Calvin Madsen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Calvin Madsen?
- (608) 364-5566, as listed in official Medicare / NPI Registry data.
- What is Calvin Madsen's NPI number?
- 1619662954. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Calvin Madsen works
Medicare's Facility Affiliation Data lists Calvin Madsen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Beloit Health SystemBeloit, WI · Acute Care Hospital · CCN 520100
- University of WI Hospitals & Clinics AuthorityMadison, WI · Acute Care Hospital · CCN 520098
Practice locations
Addresses where Calvin Madsen is enrolled with Medicare (CMS data updated 2026-10-02).
- 1969 W Hart RdBeloit, WI 53511 (608) 364‑5566
- 4602 Eastpark BlvdMadison, WI 53718 (608) 440‑6400
- 600 Highland AveMadison, WI 53792 (608) 263‑6400
Group practices
Medicare enrollment lists Calvin Madsen as a member of these groups (CMS data updated 2026-10-02).
- University of Wisconsin Medical Foundation Inc2,553 clinicians in the group
- Southern Wisconsin Emergency Associates SC50 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Beloit
Clinicians with the same Medicare primary specialty in Beloit, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At San Antonio |
| Graduation year | 2023 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619662954 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians