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GUNDERSEN CLINIC LTD
NPI 1851343115
Clinic/Center in La Crosse, WI

Active since May 16, 2006
1836 SOUTH AVE, LA CROSSE, WI 54601(608) 782-7300(608) 775-7440 Get Directions Write a Review

NPPES record last updated: April 26, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 6, 2021, Nov 18, 2015 (2 updates tracked since 2015).

About Gundersen Clinic Ltd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GUNDERSEN CLINIC LTD (NPI 1851343115) is a healthcare organization registered as a clinic/center in La Crosse, Wisconsin and active in the NPI registry since May 2006. The organization lists Kari B Adank, Cco, as its authorized official.

NPPES Registry Identity

NPI1851343115
Entity TypeOrganization
Primary Taxonomy261Q00000X
Legal Business NameGUNDERSEN CLINIC LTD
Location Address1836 SOUTH AVELa Crosse, WI 54601-5429
Mailing Address1836 South AveLa Crosse, WI 54601-5429 · (608) 782-7300 · Fax (608) 775-7440
Phone(608) 782-7300
Fax(608) 775-7440
Organization SubpartNo
Authorized OfficialKari B AdankCco · (608) 775-8025
Enumeration DateMay 16, 2006
Last NPPES UpdateApril 26, 20252 updates tracked since enumeration
NPPES CertifiedApril 26, 2025
✔ NPI 1851343115 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyClinic/CenterAmbulatory Health Care Facilities
Taxonomy Code261Q00000X
Definition
A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).
Also ListedClinic/Center · DentalTaxonomy 261QD0000X
Also ListedDurable Medical Equipment & Medical SuppliesTaxonomy 332B00000X
1836 SOUTH AVE, La Crosse, WI 54601
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Other Identifiers 3

Medicaid0900753IA
Medicaid32746100WI
Medicaid793310000MN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Dean Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gundersen Clinic Ltd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

1,004

Medicare enrollment records show 1,004 clinicians reassign Medicare billing to Gundersen Clinic Ltd, which bills Medicare for the services they deliver. Of these, 464 practice at this address and 638 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 69

Nurse Practitioner135
Family Practice109
Internal Medicine72
Diagnostic Radiology54
Physical Therapist in Private Practice45
Optometry42
Emergency Medicine41
Pediatric Medicine38
61 other specialties468

Nearest to this location (20)

See all 1,004
Mateen Abidi, M.D
Internal Medicine
NPI 1730333980
1836 SOUTH AVE
La Crosse, WI 54601
(608) 782-7300
✔ PECOS✔ Accepts MedicareSame address
Ralph Althouse, MD
Cardiovascular Disease (Cardiology)
NPI 1477636405
1836 SOUTH AVE
La Crosse, WI 54601
(608) 782-7300
✔ PECOSSame address
Sarah Ashbrook, RD
Registered Dietitian or Nutrition Professional
NPI 1972073302
1836 SOUTH AVE
La Crosse, WI 54601
(608) 782-7300
Same address
Carlos Astorga, M.D.
Anesthesiology
NPI 1154784114
1836 SOUTH AVE
La Crosse, WI 54601
(608) 782-7300
✔ PECOS✔ Accepts MedicareSame address
Deena Athas, M.D.
Infectious Disease
NPI 1457526170
1836 SOUTH AVE
La Crosse, WI 54601
(608) 782-7300
✔ PECOS✔ Accepts MedicareSame address
Ezana Azene, MD, PHD
Diagnostic Radiology
NPI 1073715975
1836 SOUTH AVE
La Crosse, WI 54601
(608) 782-7300
✔ PECOS✔ Accepts MedicareSame address
Paula Bank, M.D., PH.D.
Psychiatry
NPI 1295808921
1836 SOUTH AVE
La Crosse, WI 54601
(608) 782-7300
✔ PECOS✔ Accepts MedicareSame address
Nicole Barbee, MD
Family Practice
NPI 1881037927
1836 SOUTH AVE
La Crosse, WI 54601
(608) 782-7300
✔ PECOS✔ Accepts MedicareSame address
Keith Baynes, M.D.
Radiation Oncology
NPI 1598842742
1836 SOUTH AVE
La Crosse, WI 54601
(608) 782-7300
✔ PECOS✔ Accepts MedicareSame address
Erin Beinborn, PSY.D.
Clinical Psychologist
NPI 1790099497
1836 SOUTH AVE
La Crosse, WI 54601
(608) 782-7300
✔ PECOS✔ Accepts MedicareSame address
Amy Belling, CNM
Certified Nurse Midwife (CNM)
NPI 1376968156
1836 SOUTH AVE
La Crosse, WI 54601
(608) 782-7300
✔ PECOS✔ Accepts MedicareSame address
Jane Benzschawel, APSW
Clinical Social Worker
NPI 1962138388
1836 SOUTH AVE
La Crosse, WI 54601
(608) 782-7300
✔ PECOS✔ Accepts MedicareSame address
Elizabeth Beseler, P.T.
Physical Therapist in Private Practice
NPI 1356639975
1836 SOUTH AVE
La Crosse, WI 54601
(608) 782-7300
Same address
Eric Bjerke, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1588668362
1836 SOUTH AVE
La Crosse, WI 54601
(608) 782-7300
✔ PECOS✔ Accepts MedicareSame address
Stephen Bloechl, M.D.
Pathology
NPI 1316181795
1836 SOUTH AVE
La Crosse, WI 54601
(608) 782-7300
✔ PECOS✔ Accepts MedicareSame address
Scott Brunk, MD
Emergency Medicine
NPI 1497759062
1836 SOUTH AVE
La Crosse, WI 54601
(608) 782-7300
✔ PECOS✔ Accepts MedicareSame address
Florian Burfeind, LPC
Mental Health Counselor
NPI 1871292813
1836 SOUTH AVE
La Crosse, WI 54601
(608) 782-7300
✔ PECOS✔ Accepts MedicareSame address
Michael Case, MD
Otolaryngology
NPI 1497750459
1836 SOUTH AVE
La Crosse, WI 54601
(608) 782-7300
✔ PECOS✔ Accepts MedicareSame address
Alejandro Castro, M.D.
Pediatric Medicine
NPI 1114338274
1836 SOUTH AVE
La Crosse, WI 54601
(608) 782-7300
✔ PECOSSame address
Elizabeth Cogbill, MD
Geriatric Medicine
NPI 1174628689
1836 SOUTH AVE
La Crosse, WI 54601
(608) 782-7300
✔ PECOS✔ Accepts MedicareSame address
See all 1,004 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Gundersen Clinic Ltd's NPI number?

The NPI number for Gundersen Clinic Ltd is 1851343115. It was assigned to this organization in the NPPES registry on May 16, 2006.

Where is Gundersen Clinic Ltd located?

Gundersen Clinic Ltd is located at 1836 South Ave, La Crosse, WI 54601. The listed phone number is (608) 782-7300.

What is Gundersen Clinic Ltd's specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

Is Gundersen Clinic Ltd enrolled in Medicare?

Yes. Gundersen Clinic Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gundersen Clinic Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 1,004 clinicians in 69 Medicare specialties reassign their Medicare billing to Gundersen Clinic Ltd. A 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 the clinician's services. The largest specialties are Nurse Practitioner (135), Family Practice (109) and Internal Medicine (72). Of these, 464 practice at this address and 638 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Gundersen Clinic Ltd accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Dean Health Plan and Quartz list Gundersen Clinic Ltd 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.

When was this NPI record last updated?

The NPPES record for Gundersen Clinic Ltd was last updated on April 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.