NPI Portal NPI Lookup & Verification

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.

Internal Medicine providers in Columbus, WI
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.