CALVIN MADSEN MD
NPI 1619662954
Emergency Medicine in Madison, WI
About Calvin Madsen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CALVIN MADSEN MD (NPI 1619662954) is an individual emergency medicine provider in Madison, Wisconsin, licensed in Wisconsin (85248-20) and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS, is affiliated with University Of Wi Hospitals & Clinics Authority, and is a graduate of University Of Texas Medical School At San Antonio (2023).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Calvin Madsen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Calvin Madsen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Middleton, WI 53562
- Reassigned Medicare billing, Wisconsin enrollment
- 2,832 clinicians in this Medicare group
Beloit, WI 53511
- Reassigned Medicare billing, Wisconsin enrollment
- 110 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Wi Hospitals & Clinics Authority
Acute Care Hospitals · Madison, WIBeloit Health System
Acute Care Hospitals · Beloit, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53792 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MADISON, WI 53792
MADISON, WI 53792
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Calvin Madsen's NPI number?
The NPI number for Calvin Madsen is 1619662954. It was assigned to this individual provider in the NPPES registry on April 11, 2023.
Where is Calvin Madsen located?
Calvin Madsen practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 263-6400.
What is Calvin Madsen's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Calvin Madsen enrolled in Medicare?
Yes. Calvin Madsen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Calvin Madsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Calvin Madsen reassigns Medicare benefits to 2 organizations: University Of Wisconsin Medical Foundation, Inc (Middleton, WI) and Southern Wisconsin Emergency Associates Sc (Beloit, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Calvin Madsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Calvin Madsen accept?
Health plans from Group Health Cooperative-SCW list Calvin Madsen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Calvin Madsen affiliated with any hospitals?
According to CMS data, Calvin Madsen is affiliated with University Of Wi Hospitals & Clinics Authority and Beloit Health System.
When was this NPI record last updated?
The NPPES record for Calvin Madsen was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Calvin Madsen, MD · NPI 1619662954
Emergency Medicine physician in Madison, Wisconsin. Individual provider, active in the CMS NPPES registry since April 11, 2023.
## Identity
- **NPI:** 1619662954 (Entity type: Individual)
- **Enumerated:** April 11, 2023
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 85248-20 (Wisconsin)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 600 HIGHLAND AVE, Madison, WI 53792-1465
- **Phone:** (608) 263-6400
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): University Of Wisconsin Medical Foundation, Inc (NPI 1598784555, Middleton, WI); Southern Wisconsin Emergency Associates Sc (NPI 1568538189, Beloit, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical School At San Antonio, class of 2023
## Record status
- **NPPES last updated:** July 7, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1619662954) · Data from the CMS NPPES public registry.