Colon & Rectal Surgery in Wisconsin — NPI Providers

29 active Colon & Rectal Surgery providers have a practice location in Wisconsin according to the latest NPPES snapshot. Each profile shows the NPI number, taxonomy code, license details, and practice address — useful for claims, credentialing, and verifying a provider.

Colon & Rectal Surgery providers in Wisconsin

NPI Name Type Specialty Location
1144321993 Alfonso Velasco Individual Colon & Rectal Surgery Physician Marshfield, WI
1619177870 Amy Hanna-Salami Individual Colon & Rectal Surgery Physician Milwaukee, WI
1306819073 Dan Metcalf Individual Colon & Rectal Surgery Physician Ashland, WI
1326084526 Erin Lange Individual Colon & Rectal Surgery Physician Madison, WI
1467420653 James Klas Individual Colon & Rectal Surgery Physician Milwaukee, WI
1639379118 Marc Grodsky Individual Colon & Rectal Surgery Physician Green Bay, WI
1720024920 Marie Thomas Individual Colon & Rectal Surgery Physician Madison, WI
1053424853 Peter Falk Individual Colon & Rectal Surgery Physician Green Bay, WI
1508895335 Rudolph Kluiber Individual Colon & Rectal Surgery Physician Milwaukee, WI
1174636062 Scott Ruggles Individual Colon & Rectal Surgery Physician Green Bay, WI
1265412365 Theresa Hayssen Individual Colon & Rectal Surgery Physician Brookfield, WI
1023190386 Timothy Ridolfi Individual Colon & Rectal Surgery Physician Milwaukee, WI

Colon & Rectal Surgery by city in Wisconsin

Frequently asked questions

How many Colon & Rectal Surgery providers are in Wisconsin?
The latest NPPES snapshot lists 29 active providers with Colon & Rectal Surgery as their primary taxonomy and a practice location in Wisconsin.
How do I verify a Colon & Rectal Surgery provider's NPI in Wisconsin?
Open the provider's profile below to see their NPI, taxonomy code, license state, and practice address, then cross-check against the official NPPES registry (linked on every profile).
Can I get this data through an API?
Yes — the NPI Portal API provides JSON search by specialty, state, and city, plus batch NPI verification.

Source: CMS NPPES (public data). Snapshot 2026-07-09.