NPI Portal NPI Lookup & Verification

Specialty · city directory

Internal Medicine in Fond Du Lac, WI

Active Internal Medicine providers practising in Fond Du Lac, Wisconsin. Profiles include the NPI number, taxonomy code, license state, and practice address.

41 providers indexed

Internal Medicine providers in Fond Du Lac, WI

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
1144545559 Crystal Kleiber Balderrama Individual Rheumatology 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
1265963276 Edward Wright Individual Critical Care Medicine (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
1902521065 In Home Health, LLC Organization Hospice and Palliative Medicine (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
1962729517 Jeremy Zimmermann Individual Clinical Cardiac Electrophysiology 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
1831621986 Josue Flores Balderas Individual Internal Medicine Physician Fond Du Lac, WI
1780793737 Juan Diaz Individual Interventional Cardiology Physician Fond Du Lac, WI
1528325891 Kabir Ahmed Individual Sleep Medicine (Internal Medicine) 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
1750024121 Mahmoud Elbadrawy 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
1730541533 Ryan Butcher Individual Internal Medicine Physician Fond Du Lac, WI
1669638508 Sameer Gupta Individual Nephrology Physician Fond Du Lac, WI
1376899393 Sameer Tolay Individual Hematology & Oncology Physician Fond Du Lac, WI
1437458817 Tadeo Diaz Balderrama Individual Cardiovascular Disease 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 2026-07-13.