STEFAN MICHAEL BRETTFELD D.O.
NPI 1154718005
Pathology - Anatomic Pathology & Clinical Pathology in La Crosse, WI
About Stefan Michael Brettfeld D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEFAN MICHAEL BRETTFELD D.O. (NPI 1154718005) is an individual anatomic pathology & clinical pathology provider in La Crosse, Wisconsin, licensed in Wisconsin (94-321) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with St Elizabeth Medical Center, 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
Stefan Michael Brettfeld D.o. 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
12Medicare enrollment records show Stefan Brettfeld reassigns Medicare billing to 12 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
La Crosse, WI 54601
- Reassigned Medicare billing, Iowa and Wisconsin enrollments
- 179 clinicians in this Medicare group
La Crosse, WI 54601
- Reassigned Medicare billing, Wisconsin enrollment
- 1,457 clinicians in this Medicare group
Viroqua, WI 54665
- Reassigned Medicare billing, Wisconsin enrollment
- 127 clinicians in this Medicare group
Blair, WI 54616
- Reassigned Medicare billing, Wisconsin enrollment
- 293 clinicians in this Medicare group
Waukon, IA 52172
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1164599643 (Iowa)
- 89 clinicians in this Medicare group
Tomah, WI 54660
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1992970453 (Wisconsin)
- 188 clinicians in this Medicare group
Hillsboro, WI 54634
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: St Josephs Health Services Inc
- 282 clinicians in this Medicare group
Alma, WI 54610
- Reassigned Medicare billing, Wisconsin enrollment
- 86 clinicians in this Medicare group
Boscobel, WI 53805
- Reassigned Medicare billing, Wisconsin enrollment
- 299 clinicians in this Medicare group
Prairie Du Chien, WI 53821
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1619024197 (Wisconsin)
- 231 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 15
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Elizabeth Medical Center
Critical Access Hospitals · Wabasha, MNGundersen Lutheran Medical Center
Acute Care Hospitals · La Crosse, WIGundersen St Josephs Hospital And Clinics
Critical Access Hospitals · Hillsboro, WICrossing Rivers Health Medical Center
Critical Access Hospitals · Prairie Du Chien, WIVernon Memorial Hospital
Critical Access Hospitals · Viroqua, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54601 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.
LA CROSSE, WI 54601
LA CROSSE, WI 54601
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 Stefan Brettfeld's NPI number?
The NPI number for Stefan Brettfeld is 1154718005. It was assigned to this individual provider in the NPPES registry on April 17, 2015.
Where is Stefan Brettfeld located?
Stefan Brettfeld practices at 1836 South Ave, La Crosse, WI 54601. The listed phone number is (608) 782-7300.
What is Stefan Brettfeld's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Stefan Brettfeld enrolled in Medicare?
Yes. Stefan Brettfeld 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 Stefan Brettfeld's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stefan Brettfeld reassigns Medicare benefits to 12 organizations: Gundersen Clinic Ltd (La Crosse, WI), Gundersen Lutheran Medical Center, Inc (La Crosse, WI), Vernon Memorial Healthcare, Inc. (Viroqua, WI), Tri-County Memorial Hospital, Inc. (Blair, WI), Veterans Memorial Hospital City Of Waukon Ia (Waukon, IA) and 7 more organizations, listed in the Medicare section above. 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 Stefan Brettfeld's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stefan Brettfeld accept?
Health plans from Group Health Cooperative-SCW, Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Stefan Brettfeld 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 Stefan Brettfeld affiliated with any hospitals?
According to CMS data, Stefan Brettfeld is affiliated with St Elizabeth Medical Center, Gundersen Lutheran Medical Center, Gundersen St Josephs Hospital And Clinics, Crossing Rivers Health Medical Center and Vernon Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Stefan Brettfeld was last updated on July 29, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.
# Stefan Michael Brettfeld, D.O. · NPI 1154718005
Anatomic Pathology & Clinical Pathology physician in La Crosse, Wisconsin. Individual provider, active in the CMS NPPES registry since April 17, 2015.
## Identity
- **NPI:** 1154718005 (Entity type: Individual)
- **Enumerated:** April 17, 2015
- **Primary specialty:** Pathology - Anatomic Pathology & Clinical Pathology · taxonomy 207ZP0102X
- **State license:** 94-321 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1836 SOUTH AVE, La Crosse, WI 54601-5429
- **Phone:** (608) 782-7300
## 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:** 12 organizations under Medicare reassignment (form CMS-855R): Gundersen Clinic Ltd (NPI 1851343115, La Crosse, WI); Gundersen Lutheran Medical Center, Inc (NPI 1619210895, La Crosse, WI); Vernon Memorial Healthcare, Inc. (NPI 1497750921, Viroqua, WI); Tri-County Memorial Hospital, Inc. (NPI 1659625192, Blair, WI); Veterans Memorial Hospital City Of Waukon Ia (NPI 1093306425, Waukon, IA); and 7 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** July 29, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1154718005) · Data from the CMS NPPES public registry.