Internal Medicine in Fond Du Lac, WI
41 active Internal Medicine providers practice in Fond Du Lac, 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 |
|---|---|---|---|---|
| 1114035755 | Adam Karewicz | Individual | Internal Medicine Physician | Fond Du Lac, WI |
| 1023041019 | Balvindar Sareen | Individual | Internal Medicine Physician | Fond Du Lac, WI |
| 1356332753 | Brenda Grass | Individual | Adolescent Medicine (Internal Medicine) Physician | Fond Du Lac, WI |
| 1447242490 | Bret Pasiuk | Individual | Nephrology Physician | Fond Du Lac, WI |
| 1093798290 | Dana Vasquez | Individual | Internal Medicine Physician | Fond Du Lac, WI |
| 1962492397 | David Bowman | Individual | Cardiovascular Disease Physician | Fond Du Lac, WI |
| 1548214463 | David Haller | Individual | Gastroenterology Physician | Fond Du Lac, WI |
| 1821089541 | E Ayala | Individual | Internal Medicine Physician | Fond Du Lac, WI |
| 1376524678 | Eugene Lambert | Individual | Hematology & Oncology Physician | Fond Du Lac, WI |
| 1184731630 | Gabriel Litman | Individual | Internal Medicine Physician | Fond Du Lac, WI |
| 1053305961 | Jay Muller | Individual | Internal Medicine Physician | Fond Du Lac, WI |
| 1831171966 | Jeanna Owens | Individual | Rheumatology Physician | Fond Du Lac, WI |
| 1376534941 | Jerry Evans | Individual | Gastroenterology Physician | Fond Du Lac, WI |
| 1710969860 | Joseph Marik | Individual | Internal Medicine Physician | Fond Du Lac, WI |
| 1780793737 | Juan Diaz | Individual | Interventional Cardiology Physician | Fond Du Lac, WI |
| 1396765699 | Kristof Gehrke | Individual | Critical Care Medicine (Internal Medicine) Physician | Fond Du Lac, WI |
| 1346222023 | Lewis Sierra | Individual | Internal Medicine Physician | Fond Du Lac, WI |
| 1821009838 | Madhulika Lall | Individual | Internal Medicine Physician | Fond Du Lac, WI |
| 1417976200 | Michael Freeland | Individual | Critical Care Medicine (Internal Medicine) Physician | Fond Du Lac, WI |
| 1164403226 | Michael Jones | Individual | Hematology & Oncology Physician | Fond Du Lac, WI |
| 1811004005 | Michael Sergi | Individual | Internal Medicine Physician | Fond Du Lac, WI |
| 1174571806 | Nathan Slinde | Individual | Gastroenterology Physician | Fond Du Lac, WI |
| 1184615429 | Oliver Clements | Individual | Internal Medicine Physician | Fond Du Lac, WI |
| 1255311825 | Paula Svasta | Individual | Internal Medicine Physician | Fond Du Lac, WI |
| 1144271990 | Punit Kumar | Individual | Internal Medicine Physician | Fond Du Lac, WI |
| 1669467072 | Radhika Raj | Individual | Internal Medicine Physician | Fond Du Lac, WI |
| 1174631063 | Radu Pirvanescu | Individual | Internal Medicine Physician | Fond Du Lac, WI |
| 1134205495 | Richard Rosenberg | Individual | Gastroenterology Physician | Fond Du Lac, WI |
| 1689665093 | Robert Grass | Individual | Internal Medicine Physician | Fond Du Lac, WI |
| 1407837537 | Yasir Hatahet | Individual | Pulmonary Disease Physician | Fond Du Lac, WI |
Frequently asked questions
How many Internal Medicine providers are in Fond Du Lac, WI?
The latest NPPES snapshot lists 41 active Internal Medicine providers with a practice address in Fond Du Lac, Wisconsin.
How do I check a Internal Medicine provider's NPI in Fond Du Lac?
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 2026-07-09.