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; 501–600 of 751.

NameSpecialtyCity
Kara K PetrashekObstetrics & GynecologyLa Crosse, WI
Joshua D Pfeiffer, M.D.General SurgeryLa Crosse, WI
Thanh Pham, M.D.Emergency MedicineLa Crosse, WI
Claire A Piepkorn, FNP-BC, DNPNurse PractitionerLa Crosse, WI
Jessica A Pierzina, PSYDPsychologist, ClinicalLa Crosse, WI
April J Pluym, APNPNurse PractitionerLa Crosse, WI
Connor A Pluym, CRNACertified Registered Nurse Anesthetist (CRNA)La Crosse, WI
Kelli A Polum, PHYSICIAN ASSISTANTPhysician AssistantWinona, MN
Corey L Pomranke, D.C.ChiropracticLa Crosse, WI
Natalie M Pomranke, PAPhysician AssistantLa Crosse, WI
John C Porter, DOFamily PracticeViroqua, WI
Joshua J Potaracke, D.C.ChiropracticLa Crosse, WI
Carol K Powell, M.D.PsychiatryLa Crosse, WI
Andrew D Prather, M.D.Diagnostic RadiologyLa Crosse, WI
Jamie L Prather, MDGeneral SurgeryLa Crosse, WI
David Quelle, RNCertified Registered Nurse Anesthetist (CRNA)Rochester, MN
Prem Rabindranauth, MDThoracic SurgeryLa Crosse, WI
Emily D Rae, MDPsychiatryLa Crosse, WI
Amber M Rahm, PAPhysician AssistantLa Crosse, WI
Smita Y Rajasekaran, M.D.Internal MedicineLa Crosse, WI
Melinda J Rankins, DNP, FNPNurse PractitionerLa Crosse, WI
James Rauschnot, D.O.AnesthesiologyLa Crosse, WI
Ananth K Ravi, M.D.Diagnostic RadiologyLa Crosse, WI
Swapna Ravi, M.DInternal MedicineLa Crosse, WI
Kazi Z Rayhan, MDInternal MedicineLa Crosse, WI
Lucas Readinger, MDFamily PracticeOnalaska, WI
Austin R RebelPhysician AssistantLa Crosse, WI
Bryan W Reed, DOInternal MedicineLa Crosse, WI
Manny N Rehman, MDGastroenterologyLa Crosse, WI
Kristen M Reierson, O.D.OptometryLa Crosse, WI
Suzette L Reilley, APNPNurse PractitionerLa Crosse, WI
Christoph R Reitz, M.D.GastroenterologyBellingham, WA
John M Reynen, M.D.AnesthesiologyLa Crosse, WI
Aiman Riaz, M.DInternal MedicineLa Crosse, WI
Gregory M Rice, M.D.Pediatric MedicineLa Crosse, WI
Steven J Rickett, DOEmergency MedicineLa Crosse, WI
James E Rider, MDCardiologyGreen Bay, WI
Heather RieseObstetrics & GynecologyLa Crosse, WI
Martin N Rifkin, MDUrologyGainesville, FL
Andrew J Riggle, MDGeneral SurgeryBend, OR
Jody M Riherd, M.D.Diagnostic RadiologyLa Crosse, WI
John R Ringquist, M.D.Emergency MedicineElma, WA
Mark J Ringstrom, M.D.OtolaryngologyLa Crosse, WI
Ricardo R Rios, M.D.UrologyChicago, IL
Sajjad H Rizvi, MDThoracic SurgeryLa Crosse, WI
Hannah L Robaczewski, PA-CPhysician AssistantLa Crosse, WI
Edward D Rodenkirch, D.O.Emergency MedicineLa Crosse, WI
Lisa L Roepke, FNPNurse PractitionerOnalaska, WI
Marcus A Roman, PA-CPhysician AssistantLa Crosse, WI
Lori J Rosenstein, M.D.HematologyLa Crosse, WI
Eric M Rotert, MDFamily PracticeLa Crosse, WI
Nolan J Rudder, D.O.General SurgeryLa Crosse, WI
Chad A Rudie, PA-CPhysician AssistantLa Crosse, WI
Barb Rugen-Rendler, NPNurse PractitionerLa Crosse, WI
Naomi M Ruiru, APNPNurse PractitionerLa Crosse, WI
Kevin M Rumball, MDOrthopedic SurgeryLa Crosse, WI
Mandy M Rutta, AUDAudiologistLa Crosse, WI
Thomas J Ryan, MDAnesthesiologyMilwaukee, WI
Arick P Sabin, DOInfectious DiseaseLa Crosse, WI
Samantha S Salman, AA-CAnesthesiology AssistantLa Crosse, WI
Rasleen K Saluja, M.D.PathologyLa Crosse, WI
Nicholas Sample, CAAAnesthesiology AssistantLa Crosse, WI
Shaher M Samrah, MDPulmonary DiseaseBismarck, ND
Maria Samuel, MDGastroenterologyEau Claire, WI
Abdallah SanaaniCardiologyLa Crosse, WI
Michael J Sanders, CRNACertified Registered Nurse Anesthetist (CRNA)La Crosse, WI
Derrick J SandersonObstetrics & GynecologyWinona, MN
Evan K Sandok, MDNeurologyLa Crosse, WI
Miles J SaylorPhysician AssistantLa Crosse, WI
Jedadiah J Schaller, DODiagnostic RadiologyLa Crosse, WI
Angela M Schlack-Haerer, CRNACertified Registered Nurse Anesthetist (CRNA)La Crosse, WI
Steven C Schlack-Haerer, MDGastroenterologyLa Crosse, WI
Milton J Schmida, MAAudiologistLa Crosse, WI
Lacey J Schrader, M.D.PathologyLa Crosse, WI
Daniel F Schraith, MDPathologyLa Crosse, WI
Janice L Schroeder, NPNurse PractitionerLa Crosse, WI
Moonkyung C Schubert, M.D.GastroenterologyDenver, CO
James J Schuh, MDAnesthesiologyIowa City, IA
Nora B Schultz, NPNurse PractitionerLa Crosse, WI
Melissa L Schulze, APNPNurse PractitionerLa Crosse, WI
Jessica A Schwarz, MDEmergency MedicineLa Crosse, WI
Lauren A Scott, MDObstetrics & GynecologyLa Crosse, WI
Kessa L Seekamp, FNPNurse PractitionerLa Crosse, WI
Patrick Self, M.D.Interventional RadiologyLa Crosse, WI
David L Semple, CRNACertified Registered Nurse Anesthetist (CRNA)La Crosse, WI
Amanda M Seston, PAPhysician AssistantLa Crosse, WI
Quinn L Seston, PAPhysician AssistantLa Crosse, WI
Paras H Shah, M.D.UrologyRochester, MN
Syed ShahOphthalmologyLa Crosse, WI
Irina Shakhnovich, MDGeneral SurgeryLa Crosse, WI
Stephen B Shapiro, MDGeneral SurgeryLa Crosse, WI
Kristie K Shappell, MDOphthalmologyLa Crosse, WI
Alexandra Sharp, MDFamily PracticeWinona, MN
Daniel K Short, MDEndocrinologyLa Crosse, WI
Sumaiya W Siddiqi, MDNephrologyLa Crosse, WI
Brian M Sieck, MDOtolaryngologyLa Crosse, WI
Sandra A Sieck, MDInternal MedicineLa Crosse, WI
Lonnie D Simmons, MDDiagnostic RadiologyLa Crosse, WI
Deborah A Simon, M.D.Obstetrics & GynecologyLa Crosse, WI
Devin C Simonson, D.P.M.PodiatryLa Crosse, 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