Internal Medicine in Columbus, WI
7 active Internal Medicine providers practice in Columbus, Wisconsin according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.
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| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1942651955 | Asghar Marwat | Individual | Internal Medicine Physician | Columbus, WI |
| 1659338150 | Bruce Kraus | Individual | Internal Medicine Physician | Columbus, WI |
| 1902034812 | Ernest Lee | Individual | Internal Medicine Physician | Columbus, WI |
| 1225004245 | Nazi Khan | Individual | Sleep Medicine (Internal Medicine) Physician | Columbus, WI |
| 1912930751 | Poser Clinic LLC | Organization | Cardiovascular Disease Physician | Columbus, WI |
| 1013910645 | Rolf Poser | Individual | Cardiovascular Disease Physician | Columbus, WI |
| 1346243821 | Samuel Poser | Individual | Internal Medicine Physician | Columbus, WI |
Frequently asked questions
How many Internal Medicine providers are in Columbus, WI?
The latest NPPES snapshot lists 7 active Internal Medicine providers with a practice address in Columbus, Wisconsin.
How do I check a Internal Medicine provider's NPI in Columbus?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry — every profile links directly to the CMS record.
Source: CMS NPPES (public data). Snapshot 2026-07-11.