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Meet our 2024-2025 residents

Physicians from around the country join Gundersen to pursue education and excellence.

PGY-1

Portrait of Gundersen internal medicine resident James Dickman.
James Dickman, MD

Medical school: University of Wisconsin - Madison

Portrait of Gundersen internal medicine resident Riley Larsen.
Riley Larsen, MD

Medical school: University of North Dakota School of Medicine and Health Sciences

Portrait of Gundersen internal medicine resident Shawn Mahmood.
Shawn Mahmood, DO

Medical school: Western University of Health Sciences

Portrait of Gundersen internal medicine resident Conrad Mohr-Eymer.
Conrad Mohr-Eymer, MD 

Medical school: University of South Dakota Sanford School of Medicine

Portrait of Gundersen internal medicine resident Prakash Pathak.
Prakash Pathak, MD 

Medical school: University of North Dakota School of Medicine and Health Sciences

Portrait of Gundersen internal medicine resident Connor Pedersen.
Connor Pedersen, MD

Medical school: Medical College of Wisconsin

Portrait of Gundersen internal medicine resident Braeden Singleton.
Braeden Singleton, MD

Medical school: University of Kansas School of Medicine

Portrait of Gundersen internal medicine resident Andrew Wittman.
Andrew Wittman, MD 

Medical school: UW-School of Medicine and Public Health

PGY-2

Marie-Callay-MD-portrait
Marie Callay, MD

Medical school: UFR de Medecine de l'Universite Paris Cite

Therese-Carson-MD-portrait
Therese Carson, MD

Medical school: University of North Dakota School of Medicine and Health Sciences

Zoey-Good-DO-portrait
Zoey Good, DO

Medical school: Burrell College of Osteopathic Medicine

Meg-Laures-DO-portrait
Meg Laures, DO

Medical school: Kansas City University College of Osteopathic Medicine

Sydney-Markworth-DO-portrait
Sydney Markworth, DO

Medical school: Midwestern University Chicago College of Osteopathic Medicine

Mary-Mayerchak-MD-portrait
Mary Mayerchak, MD

Medical school: Creighton University School of Medicine

Samuel-Miller-MD-portrait
Samuel Miller, MD

Medical school: University of Minnesota Medical School

Jordan-Shortreed-MD-portrait
Jordan Shortreed, MD

Medical school: St. George's University

PGY-3

Victoria-Brucker-DO-portrait
Victoria Brucker, DO

Medical school: University of the Incarnate Word School of Osteopathic Medicine

Jake-Deviley-MD-portrait
Jake Deviley, MD

Medical school: Medical College of Wisconsin - Green Bay

Christopher-Ehret-MD-portrait
Christopher Ehret, MD

Medical school: Pennsylvania State University College of Medicine

Sara-Habte-MD-portrait
Sara Habte, MD

Medical school: Ross University School of Medicine

Brooke-Jennings-MD-portrait
Brooke Jennings, MD

Medical school: University of Iowa Carver College of Medicine

Mariah-Mack-MD-portrait
Mariah Mack, MD

Medical school: University of North Dakota School of Medicine and Health Sciences

Farzan-Rahmani-MD-portrait
Farzan Rahmani, MD

Medical school: Ross University School of Medicine

Amanda-Wright-MD-portrait
Amanda Wright, MD

Medical school: Medical College of Wisconsin - Central Wisconsin

PGY-4 junior faculty

Kelsey-Fischer-DO-portrait
Kelsey Fischer, DO

Medical school: Des Moines University College of Osteopathic Medicine

Graduates

2024 alumni

Kelsey Fischer, DO
Internal Medicine Residency - Junior Faculty Gundersen Medical Foundation/Gundersen Health System, La Crosse, Wis.

Blake Jordan, DO
Internist - Hybrid, Gundersen Health System, La Crosse, Wis.

Brett MacLeod, MD
Internist - Hybrid, Altru Health System, Grand Forks, N.D.

Alisha Ness, DO
Hospitalist - Essentia Health St. Joseph’s Medical Center, Brainerd, Minn.

Sean O’Neil, MD
Hematology & Medical Oncology Fellowship - Gundersen Medical Foundation/Gundersen Health System, La Crosse, Wis.

James (Andy) Thurby, DO
Internist - Novant Health, Wilmington, N.C.

Christopher D. Walden, MD, PhD
Hematology & Medical Oncology Fellowship - Gundersen Medical Foundation/Gundersen Health System, La Crosse, Wis.

Courtney Wirtanen, MD
Hospitalist - Gundersen Health System, La Crosse, Wis.

Chief: Anum Fatima, MD
Cardiology Fellowship at UMass Chan - Baystate, Springfield, Mass.

2023 alumni

Matthew Eidenschink, MD  
Hospitalist, Essentia Health, Duluth, Minn. 

Dominic Haddad, DO 
Hospitalist, St. John's - Fairview, Maplewood, Minn.

Louis Hahn, DO  
Nocturnist, Grant Medical Center, Columbus, Ohio 

Brady Nelson, MD 
Hybrid, Gundersen Health, La Crosse, Wis. 

Shruthi Subramaniam, MD 
Hospitalist, M Health Fairview Southdale, Edina, Minn. 

Steve Szlembarski, DO 
Rheumatology Fellowship, University of Minnesota, Minneapolis, Minn. 

Joseph Walbridge, MD 
Hospitalist, Gundersen Health, La Crosse, Wis. 

Garrett Weber, MD 
Hematology/Oncology Fellowship, Gundersen Health, La Crosse, Wis. 

Chief: Brian Sowka, DO 
Gastroenterology Fellowship, Arnot Health, Elmira, N.Y. 

2022 alumni

Travis Anderson, MD 
Hospitalist, State of Franklin Healthcare Associates, Kingsport, Tenn.  

Nikhitha Chandrashekar, MD 
Endocrinology Fellowship, Case Western Reserve University, Cleveland, Ohio 

Abigail Kreuger, DO 
Endocrinology Fellowship, University of Wisconsin, Madison, Wis. 

Andrew McCasland, MD 
Hospitalist, Gundersen Health, La Crosse, Wis. 

Joseph Mueller, MD 
Hospitalist, Gundersen Health, La Crosse, Wis. 

Thu Nguyen, DO 
Nephrology Fellowship, University Texas Medical Branch, Galveston, Texas  

Brian Sowka, DO 
Internal Medicine Chief Resident, Gundersen Health, La Crosse, Wis. 

Chinou Vang, MD 
Hospitalist, Froedtert Menomonee Falls, Menomonee Falls, Wis. 

Chief: Melinda Beyer, MD  
Hospitalist, HealthPartners Hosp Med, St. Paul, Minn.

2021 alumni

Melinda Beyer, MD  
Internal Medicine Chief Resident, Gundersen Health System, La Crosse, Wis.  

Jason Davies, MD  
Primary Care, Mayo Health System, Luther Campus, Eau Claire, Wis.  

Emily Dolan, MD  
Hybrid (inpatient/outpatient IM), Gundersen Health System, La Crosse, Wis.  

Daniel Dunbar, DO  
Primary Care, Yakima Neighborhood Health Service, Yakima, Wash.  

Nolan Kleinjan, MD  
Hybrid (inpatient/outpatient IM), CHI St. Alexius Health, Dickinson, N.D.  

James Kleist, MD  
Urgent Care, Green Bay, Wis.  

Randal Nall, MD  
Primary Care, Convenant Medical Group, Saginaw, Mich.  

Julia Shariff, MD  
Endocrinology fellowship at University of Wisconsin-Madison, Madison, Wis.  

Chief: Yacki Hayashi-Tanner, DO  
Hematology/Oncology fellowship at Gundersen Health System, La Crosse, Wis.

2020 alumni

Lubina Arjyal, MD 
Hematology/Oncology fellowship at Barbara Ann Karmanos Cancer Institute, Detroit, Mich. 

Aaron Christians, DO 
Hospitalist, Gundersen Health System, La Crosse, Wis. 

Yacki Hayashi-Tanner, DO 
Internal Medicine Chief Resident, Gundersen Health System, La Crosse, Wis. 

Andrew Jacobson, MD 
Cardiology fellowship at Danbury Hospital, Danbury, Conn. 

Tegan John, DO 
Hospitalist, Essentia Health – St. Joseph Medical Center, Brainerd, Minn. 

David Johnson, MD 
Hospitalist, Gundersen Health System, La Crosse, Wis. 

Shivani Kapur, MD 
Hematology/Oncology fellowship at Gundersen Health System, La Crosse, Wis. 

Jordan Ludwigson, MD 
Hospitalist, Gundersen Health System, La Crosse, Wis. 

Chief: Mark Rostad, MD 
Palliative Care fellowship at University of Iowa, Iowa City, Iowa  

2019 alumni

Kristina Anderson, MD 
Hospitalist, St. Luke’s, Duluth, Minn. 

Alicia Gray, MD 
Hospitalist, Rock Springs Memorial Hospital, Rock Springs, Wyo. 

Jamal Janjua, MD 
Cardiology fellowship at Danbury Hospital, Danbury, Conn. 

Thomas Luers, MD 
Hospitalist, Billings Clinic, Billings, Mont. 

Jacob McClintic, MD 
Hospitalist, Indiana University Health Arnett, Lafayette, Ind. 

Aiman Riaz, MD 
Hospitalist, Bristol Hospital, Bristol, CT 
Endocrinology fellowship at UMMS-Baystate, Baystate, Mass. 

Mark Rostad, MD 
Internal Medicine Chief Resident, Gundersen Health System, La Crosse, Wis. 

Reggie Thomes, DO 
Hematology/Oncology fellowship at Gundersen Health System, La Crosse, Wis. 

Chief: Emily Allex, DO 
Hospitalist, Gundersen Health System, La Crosse, Wis. 

Why Gundersen

Aerial view of la crosse, wisconsin.

Call La Crosse Home

We have it all in La Crosse, Wis. Our vibrant city and region support your dream lifestyle with a welcoming community, culture and outdoor adventure.

Explore La Crosse
Single family home near Gundersen's campus.

Housing

Steps from our flagship medical center in La Crosse, our housing options allow you to enjoy the company of your family and the comradery of your colleagues.

View housing
Residents kayaking the Kickapoo river.

Prioritizing Your Wellness

As you learn how to become the clinician you aspire to be, we’ll provide space to prioritize your mind and body wellness, and reach the work-life balance you need.

Wellness opportunities
Contact our team

We’re here to answer your questions about our residency.

Email us

1900 South Ave.
La Crosse, WI 54601

(608) 782-7300

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