31 Colon & Rectal Surgery providers practice in Wisconsin, including 12 (39%) offering telehealth. The largest concentration is in Milwaukee. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
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| Colon & Rectal Surgery in Milwaukee | 10 providers |
| Colon & Rectal Surgery in Madison | 9 providers |
| Colon & Rectal Surgery in Green Bay | 3 providers |
| Colon & Rectal Surgery in La Crosse | 3 providers |
| Colon & Rectal Surgery in Brookfield | 2 providers |
| Colon & Rectal Surgery in Marshfield | 1 providers |
| Colon & Rectal Surgery in Eau Claire | 1 providers |
| Colon & Rectal Surgery in Appleton | 1 providers |
| Colon & Rectal Surgery in Ashland | 1 providers |
From CMS Medicare enrollment records covering 27 of the 31 providers listed here (87%). Providers who do not bill Medicare are not included in these figures.
| Group (as registered with Medicare) | Colorectal Surgeons | All clinicians in group | Main city |
| University of Wisconsin Medical Foundation Inc. | 6 | 2,537 | Madison |
| The Medical College of Wisconsin Inc. | 4 | 2,092 | Milwaukee |
| Aurora Medical Group, Inc.. | 3 | 3,764 | Milwaukee |
| St Vincent Hospital-Hospital Sisters-Third Order of St Francis | 3 | 593 | Green Bay |
| Froedtert Andthe Medical College of Wisconsin Community Physicians Inc. | 2 | 1,265 | Germantown |
| Hospital | City | Ownership | CMS star rating | Colorectal Surgeons affiliated |
| University of Wi Hospitals & Clinics Authority | Madison | Government | 5 of 5 | 6 |
| Unitypoint Health - Meriter | Madison | Nonprofit | 5 of 5 | 5 |
| Froedtert Memorial Lutheran Hospital | Milwaukee | Nonprofit | 3 of 5 | 4 |
| St Marys Hospital Medical Ctr | Green Bay | Nonprofit | 3 of 5 | 3 |
| Aurora St Lukes Medical Center | Milwaukee | Nonprofit | 4 of 5 | 3 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
There are 31 Colon & Rectal Surgery providers with active NPI records practicing in Wisconsin, according to federal NPPES data refreshed monthly.
Yes. 12 of the 31 Colon & Rectal Surgery providers in Wisconsin (about 39%) report offering telehealth services in CMS data.
Milwaukee (10), Madison (9), Green Bay (3) have the highest concentration of Colon & Rectal Surgery providers in Wisconsin.
12 of 31 Colon & Rectal Surgery providers in Wisconsin (39%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Among 27 Colorectal Surgeons in Wisconsin enrolled in Medicare, 4% bill through a solo or small practice with fewer than 10 clinicians, 7% through a mid-size group of 10 to 99, and 89% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
According to CMS facility affiliation records, the Wisconsin hospitals where the most Colorectal Surgeons hold privileges are University of Wi Hospitals & Clinics Authority in Madison; Unitypoint Health - Meriter in Madison; Froedtert Memorial Lutheran Hospital in Milwaukee.
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