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608-643-3311

Nathan Grunewald, MD,MBA,FACS

4.9 out of 5 
(89  Ratings) , 12 Comments
Medical Interests Areas of Interest:
  • Kidney Stones
  • Enlarged prostate
  • Male infertility including vasectomy, low testosterone and erectile dysfunction
  • Incontinence
  • Recurrent urinary tract infection
  • Genitourinary cancers including kidney, bladder, prostate and testicular
Certifications and Professional Activities:
  • American Board of Urology — Diplomate (Board Certified)
  • American College of Surgeons — Fellow
  • Alpha Omega Alpha Honor Medical Society
  • American Urological Association
  • Wisconsin Medical Society
  • Wisconsin Urological Society, President (2025-2026) 
Affiliations
Education:
  • High School
  • Sauk Prairie High School Prairie du Sac, WI
  • College
  • BS Degree, Medical Microbiology and Immunology University of Wisconsin
    Madison, WI
  • MBA University of Wisconsin
    Eau Claire, WI
  • Medical School
  • MD Degree Medical College of Wisconsin
    Milwaukee, WI
  • Residency
  • Urologic Surgery Residency Medical College of Wisconsin

Reviews ⓘ

  • 01/06/2026
    Rating: 5.00

    Dr. Grunewald is outstanding

  • 12/28/2025
    Rating: 5.00

    Very skilled and professional.

  • 11/17/2025
    Rating: 5.00

    I am really happy that I have Dr Grunewald for my Dr working with my treatment

  • 11/02/2025
    Rating: 5.00

    Physician willingly gave me the time to ask my questions and address my concerns.

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