The Wisconsin Institute of Urology WIU serves patients in the Neenah, Oshkosh, Fond Du Lac, New London, Shawano, & Waupaca areas with expert urologists

Comprehensive urologic care in a supportive environment

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Integrity. Compassion. Excellence.

Discover compassionate urology care at Wisconsin Institute of Urology.

Welcome to the Wisconsin Institute of Urology

We are the largest independent urology group in Wisconsin. Our team consists of ten superbly qualified, highly skilled urologists and advanced practice providers. Our providers offer general urologic and specialized care. With over 130 years of combined experience and board certification, helping tens of thousands of patients, we look forward to improving your urologic health today.

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Our Services

Male Sexual Health
Prostate, Kidney, and Bladder Cancer
Prostate Disorder
Incontinence & Urinary Retention
Kidney Stones & UTIs
Advanced Prostate Cancer Clinic (APCC)
Pediatric Urology

Experienced providers for all your needs

Meet Our Team

Same day urgent clinic appointments available Monday - Friday

  • Patient Reviews
"Entire staff friendly and professional. Dr. Modder was patient and explained every step of the procedure. Results were explained. All my questions were answered. I felt comfortable that I was putting my health in good hands."
— D.S.

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Our Locations


Contact our Neenah office for scheduling at any of WIU's locations.

Neenah - Oshkosh - Fond du Lac - New London - Shawano - Waupaca

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Serving people of all ages from Shawano to Fond du Lac. Please contact our Main Office in Neenah, WI for more information, (920) 886-8979 or (877) 897-7747. 

Fax: (920) 886-2225.

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