Our team of highly skilled physicians has extensive knowledge and experience diagnosing and treating a wide variety of urological concerns. When it comes to urological care, no one does it better than the team at Western Wisconsin Urology. Get to know our doctors below, and when you’re ready to schedule an appointment, give us a call!
James S. Iwakiri, MD
Dr. Iwakiri earned his bachelors of science degree in two years from Northwestern University in Evanston, IL, and went on to graduate first in his class from Northwestern Medical School in Chicago in 1988. He completed residencies in surgery and in urology at Stanford University Medical Center, where he was chief resident in urology from 1993-94. He then joined Western Wisconsin Urology in 1994. Dr. Iwakiri is certified by the American Board of Urology and is a Fellow of the American College of Surgeons. He is the recipient of numerous academic honors, is the author of four published research articles, and has lectured extensively on urological topics.
Michael S Hirsh, MD
Dr. Hirsh joined Western Wisconsin Urology in 1999. He graduated in 1989 from Emory University in Atlanta, GA. He then earned his medical degree from Tulane University School of Medicine in New Orleans, LA. He completed residencies in surgery and in urology at the University of Texas Medical School at Houston before coming to Wisconsin. He is certified by the American Board of Urology and has trained at the MD Anderson Cancer Center.
Christopher K. Tornehl, MD
Dr. Christopher Tornehl graduated in 1998 from the University of Wisconsin, Madison. He earned his medical degree from the University of Wisconsin Medical School, Madison, in 2002. Dr. Tornehl completed his residency in urology at the University of North Carolina at Chapel Hill, in June of 2007. In 2007, Dr. Tornehl was awarded resident of the year. He joined Western Wisconsin Urology in July 2007. Dr. Tornehl as contributed to multiple urology publications and has given presentations at urologic conferences. He is certified by the American Board of Urology. Dr. Tornehl has served as the Director of Robotic Surgery at Sacred Heart Hospital since 2007.
Josiah D. Nelson, MD
Dr. Nelson graduated in 3 years Magna cum laude from Bethel College in St. Paul, Minnesota, in 1999. He received his medical degree from the University of Iowa, Iowa City, in 2004 with the distinction of being the Nathanial Alcock Scholar for urology. Dr. Nelson completed his residency in Urology at the University of Wisconsin in Madison in June of 2009. During this time, he was published in the Journal of Urology and presented his research at multiple conferences. Dr. Nelson joined Western Wisconsin Urology in August 2009. He is certified by the American Board of Urology. He was elected to the Medical Executive Committee at Sacred Heart Hospital in 2016 and currently serves as the President of the Medical Staff.
D. Brooke Johnson, MD
Dr. D. Brooke Johnson graduated from the University of Utah in September 1993. He received his Medical Degree from Washington University in St. Louis School of Medicine in St. Louis, Missouri in 1997. Dr. Johnson then completed a residency in Urology at the University of Wisconsin Hospitals and Clinics in Madison in 2002 and completed a fellowship in Endourology at the University of Texas Southwestern Medical Center in Dallas, Texas in 2003. Dr. Johnson joined Western Wisconsin Urology in January 2015. He is certified by the American Board of Urology.