Nathan Grunewald, MD,MBA,FACS 4.9 out of 5 (83 Ratings) , 11 Comments Specialties: Urologic Surgery, Urology Medical Interests Areas of Interest: Kidney StonesEnlarged prostateMale infertility including vasectomy, low testosterone and erectile dysfunctionIncontinenceRecurrent urinary tract infectionGenitourinary cancers including kidney, bladder, prostate and testicular Certifications and Professional Activities: American Board of Urology — Diplomate (Board Certified)American College of Surgeons — FellowAlpha Omega Alpha Honor Medical SocietyAmerican Urological AssociationWisconsin Medical SocietyWisconsin Urological Society, President (2025-2026) Affiliations Sauk Prairie Healthcare Urology Education: High School Sauk Prairie High School Prairie du Sac, WI College BS Degree, Medical Microbiology and Immunology University of WisconsinMadison, WI MBA University of WisconsinEau Claire, WI Medical School MD Degree Medical College of WisconsinMilwaukee, WI Residency Urologic Surgery Residency Medical College of Wisconsin Reviews ⓘ × We display ratings and reviews for surgeons, primary care, sleep and wound care providers employed by Sauk Prairie Healthcare. At this time, we are unable to provide ratings for Prairie Clinic and Women's Health Center providers because they are not yet on the same electronic health record as the rest of our employed providers. 03/09/2026 Can't say enough - great. 01/06/2026 Dr. Grunewald is outstanding 12/28/2025 Very skilled and professional. 11/17/2025 I am really happy that I have Dr Grunewald for my Dr working with my treatment Show More
