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.
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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.