Clinicians affiliated with Gundersen Lutheran Medical Center Inc

895 clinicians on file with this group · most practice in La Crosse-Onalaska, WI-MN · PAC ID 2163331414

Affiliation snapshotOctober 2, 2026CMS Doctors and Clinicians file, current snapshot (no end-of-2024 archive), applied to 2024
Activity year2024Medicare Part B claims, Original Medicare fee-for-service

751 clinicians affiliated with Gundersen Lutheran Medical Center Inc are in the 2024 Medicare Part B data, 442 of them physicians. Data years with affiliated clinicians: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024.

Each clinician's exact figures are in their Physician Report, from their page; a specialty's figures in this market are in a Market Comparison. View sample report · Already purchased? Open your report

Affiliated clinicians by specialty, 2024

All specialties · Physician Assistant (107) · Nurse Practitioner (89) · Internal Medicine (68) · Family Practice (50) · Certified Registered Nurse Anesthetist (CRNA) (37) · Emergency Medicine (35) · Anesthesiology (30) · Diagnostic Radiology (28) · Anesthesiology Assistant (23) · General Surgery (21) · Psychiatry (16) · Neurology (15) · Optometry (15) · Obstetrics & Gynecology (14) · Orthopedic Surgery (13) · Gastroenterology (10) · Pathology (10) · Psychologist, Clinical (10) · Urology (10) · Audiologist (9) · Cardiology (9) · Ophthalmology (9) · Pulmonary Disease (9) · Otolaryngology (8) · Physical Medicine and Rehabilitation (7) · Podiatry (7) · Dermatology (6) · Hematology-Oncology (6) · Licensed Clinical Social Worker (6) · Nephrology (6) · Radiation Oncology (6) · Rheumatology (6) · Critical Care (Intensivists) (5) · Infectious Disease (4) · Plastic and Reconstructive Surgery (4) · Chiropractic (3) · Endocrinology (3) · Hospice and Palliative Care (3) · Interventional Cardiology (3) · Interventional Radiology (3) · Medical Oncology (3) · Neurosurgery (3) · Thoracic Surgery (3) · Vascular Surgery (3) · Geriatric Medicine (2) · Gynecological Oncology (2) · Pain Management (2) · Sleep Medicine (2) · Allergy/ Immunology (1) · Certified Clinical Nurse Specialist (1) · Certified Nurse Midwife (1) · Clinical Cardiac Electrophysiology (1) · Hematology (1) · Hospitalist (1) · Pediatric Medicine (1) · Registered Dietitian or Nutrition Professional (1)

Specialty links go to the specialty in La Crosse-Onalaska, WI-MN.

Clinicians affiliated with Gundersen Lutheran Medical Center Inc, 2024

Alphabetical by last name; 701–751 of 751.

NameSpecialtyCity
Andrew P Weiss, M.D.Emergency MedicineLa Crosse, WI
Sarah K Wendland, CRNACertified Registered Nurse Anesthetist (CRNA)La Crosse, WI
Devin S Wenrich, M.D.Family PracticeOnalaska, WI
Amy Wentland, M.D.DermatologyLa Crosse, WI
Luke R Wenzel, D.O.Obstetrics & GynecologyLa Crosse, WI
Heidi R WernerFamily PracticeOnalaska, WI
Madison Werner, AAAnesthesiology AssistantLa Crosse, WI
Aubrey Wesely, PAPhysician AssistantLa Crosse, WI
Joshua Westbrook, M.D.Diagnostic RadiologyLa Crosse, WI
Christopher J Whalen, M.D.Orthopedic SurgeryLa Crosse, WI
Timothy Whitehead, MDInterventional RadiologyPeoria, IL
Savannah Whitemarsh, PSY. D.Psychologist, ClinicalLa Crosse, WI
Steven W Whitford, MDOphthalmologyLa Crosse, WI
Brett S Whyte, MDEmergency MedicineLa Crosse, WI
Heather J Wichman, M.D.Diagnostic RadiologyLa Crosse, WI
Patricia A Wickert, APNPNurse PractitionerLa Crosse, WI
Mark C Wickre, MDDiagnostic RadiologyLa Crosse, WI
Christina R Wiedenhoeft, MDAnesthesiologyLa Crosse, WI
Karmen Wielunski, D.O.Internal MedicineLa Crosse, WI
Jason D Wihlm, PAPhysician AssistantLa Crosse, WI
Molly E Willenbring, NPNurse PractitionerLa Crosse, WI
Catherine E Wilson, APNPNurse PractitionerLa Crosse, WI
Justin O Wilson, AUDAudiologistLa Crosse, WI
Matthew S Wilson, PA-CPhysician AssistantLa Crosse, WI
Courtney R Wirtanen, MDInternal MedicineLa Crosse, WI
James Wise, PA-CPhysician AssistantLa Crosse, WI
Stephen C Wissink, MDInternal MedicineLa Crosse, WI
Michael A Witcik, MDInternal MedicineLa Crosse, WI
Richard J Wittchow, MDPathologyLa Crosse, WI
Daniel P Wolbrink, M.D.Diagnostic RadiologyLa Crosse, WI
Bradlee G Wolner, ODOptometryWinona, MN
Ingrid K WoodPhysician AssistantLa Crosse, WI
Travis Wright, DOInternal MedicineLa Crosse, WI
Rebecca J Wuensch, DNP FNP-CNurse PractitionerOnalaska, WI
Stephanie WyrostekNeurologyLa Crosse, WI
Michael Yang, MDNeurologyLa Crosse, WI
Yongxue D Yao, MDDermatologyOnalaska, WI
Thomas J Yaucher, PAPhysician AssistantLa Crosse, WI
Ian B Young, MDFamily PracticeWinona, MN
Siegfried Yu, M.D.GastroenterologyLa Crosse, WI
Sean S Zadeh, MDNeurologyLa Crosse, WI
Moe Zafarani, DOInternal MedicineLa Crosse, WI
Mary A Zaky, MDInternal MedicineLa Crosse, WI
Anthony P Zbacnik, M.D.Diagnostic RadiologyLa Crosse, WI
Gordon G Zeng, MDPathologyLa Crosse, WI
Kurt J Ziegelbein, MDInterventional RadiologyLa Crosse, WI
Matthew K Zimmermann, PAPhysician AssistantLa Crosse, WI
Laura B Zitelman, M.D.AnesthesiologyLa Crosse, WI
Aaron J Zivney, DOFamily PracticeLa Crosse, WI
Adam P Zorn, MDDiagnostic RadiologyMilwaukee, WI
Francisco Zornosa, MDNephrologyOshkosh, WI

Practice locations

Listed practice locations in Minnesota, Wisconsin.

Source: CMS Doctors and Clinicians National Downloadable File, snapshot October 2, 2026.

Membership comes from the CMS Doctors and Clinicians file. CMS does not publish an end-of-year archive of it, so the current snapshot is applied to every data year. A clinician affiliated with several groups or hospitals appears on each of their pages. How group pages are built · Limitations