DR. CULLEN PETER TRANGSRUD MD
NPI 1780179101
Hospitalist in Madison, WI
About Dr. Cullen Peter Trangsrud Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CULLEN PETER TRANGSRUD MD (NPI 1780179101) is an individual hospitalist provider in Madison, Wisconsin, licensed in Wisconsin (83182-20) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS, is affiliated with Aspirus Stevens Point Hospital & Clinics, Inc., and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Dr. Cullen Peter Trangsrud 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 Cullen Trangsrud 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
Stevens Point, WI 54482
- Reassigned Medicare billing, Wisconsin enrollment
- 633 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Aspirus Stevens Point Hospital & Clinics, Inc.
Acute Care Hospitals · Stevens Point, WIAspirus Wausau Hospital
Acute Care Hospitals · Wausau, WIUniversity Of Wi Hospitals & Clinics Authority
Acute Care Hospitals · Madison, WIAspirus Stanley Hospital
Critical Access Hospitals · Stanley, 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Cullen Trangsrud's NPI number?
The NPI number for Cullen Trangsrud is 1780179101. It was assigned to this individual provider in the NPPES registry on June 27, 2018.
Where is Cullen Trangsrud located?
Cullen Trangsrud practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 263-6400.
What is Cullen Trangsrud's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Cullen Trangsrud enrolled in Medicare?
Yes. Cullen Trangsrud 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 Cullen Trangsrud's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cullen Trangsrud reassigns Medicare benefits to 2 organizations: University Of Wisconsin Medical Foundation, Inc (Middleton, WI) and Aspirus Wausau Hospital, Inc. (Stevens Point, 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 Cullen Trangsrud's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cullen Trangsrud accept?
Health plans from Anthem Blue Cross and Blue Shield and Group Health Cooperative-SCW list Cullen Trangsrud 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 Cullen Trangsrud affiliated with any hospitals?
According to CMS data, Cullen Trangsrud is affiliated with Aspirus Stevens Point Hospital & Clinics, Inc., Aspirus Wausau Hospital, University Of Wi Hospitals & Clinics Authority and Aspirus Stanley Hospital.
When was this NPI record last updated?
The NPPES record for Cullen Trangsrud was last updated on February 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Dr. Cullen Peter Trangsrud, MD · NPI 1780179101
Hospitalist physician in Madison, Wisconsin. Individual provider, active in the CMS NPPES registry since June 27, 2018.
## Identity
- **NPI:** 1780179101 (Entity type: Individual)
- **Enumerated:** June 27, 2018
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 83182-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 600 HIGHLAND AVE, Madison, WI 53792-0001
- **Phone:** (608) 263-6400
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): University Of Wisconsin Medical Foundation, Inc (NPI 1598784555, Middleton, WI); Aspirus Wausau Hospital, Inc. (NPI 1275886749, Stevens Point, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** February 27, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1780179101) · Data from the CMS NPPES public registry.