Mayo Clinic-trained in surgery and urology, Dr. Kollmorgen brings leading-edge expertise and proficiency to Oregon Urology Institute and an exceptional level of care. His reputation is widely known through his published works, presentations, and patient successes. Dr. Kollmorgen’s areas of interest are treating urologic cancers and prostate disease.

Thomas A. Kollmorgen, MD, FACS

General Urology


Doctor of Medicine, University of Iowa Medical School, Iowa City, IA, 1988-1992
Urology Residency, Mayo Graduate School of Medicine, Rochester, MN, 1992-1998
General Surgery Internship, Mayo Graduate School of Medicine, Rochester, MN, 1992-1998
Department of Cardiothoracic Surgery, Harvard Medical School, Boston, MA, 1985-1989
Bachelors of Art in Government, Dartmouth College, Hanover, NH, 1984-1988
Department of Cardiothoracic Surgery, University of Illinois College of Medicine, Chicago, IL, 1982-1986


American Urological Association
Oregon Medical Association
Lane County Medical Society

Medical Experience

Certified, Medical Physician and Surgeon, Oregon Board of Medical Examiners
Certified, American Board of Urology
Investigator, Oregon Urology Institute Research Center, Springfield, OR, 2007 – current
Minnesota Urologic Association Resident Research Award, 1996 & 1997

Areas of Interest

Prostate, Kidney, Bladder Cancer
Kidney Stones
Urologic Oncology