Dr. Daniel Kollmorgen serves as the Staff Surgeon, Medical Director of Oncology Services, and Vice President of Medical Affairs at Mahaska Health. He has over 20 years of experience as a physician and it is his passion to bring expert, compassionate care to his community. Dr. Kollmorgen studied medicine at the University of Iowa and completed a surgical oncology fellowship at Roswell Park Cancer Institute and is one of a few surgical oncologists in Iowa.

Dr. Kollmorgen has an impressive background, having built a substantial patient base over the course of 20 years in Des Moines before relocating his practice to Bozeman, MT, where he has served for the past year and a half. In addition, Dr. Kollmorgen served in many distinguished positions, including Medical Director of John Stoddard Cancer Center, leadership and surgical oncology at the Iowa Clinic, and Chairman of Surgery at UnityPoint Des Moines, among others.

Dr. Kollmorgen enjoys using his expertise in a small-town setting where he feels he can connect with his patients and impact his community.