Internal Medicine in Wisconsin — NPI Providers
5,282 active Internal Medicine 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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Internal Medicine providers in Wisconsin
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1376519389 | A Moorthy | Individual | Nephrology Physician | Madison, WI |
| 1467499277 | Aaron Baltz | Individual | Gastroenterology Physician | Milwaukee, WI |
| 1730131061 | Aaron Dall | Individual | Nephrology Physician | Milwaukee, WI |
| 1336163690 | Abbas Ali | Individual | Pulmonary Disease Physician | Milwaukee, WI |
| 1386600310 | Abd Khatib | Individual | Cardiovascular Disease Physician | Eau Claire, WI |
| 1104874304 | Abdou Elhendy | Individual | Cardiovascular Disease Physician | Marshfield, WI |
| 1700841384 | Abdul Arif | Individual | Internal Medicine Physician | Milwaukee, WI |
| 1720010473 | Abdul Hafeez | Individual | Internal Medicine Physician | Wauwatosa, WI |
| 1316912512 | Abdul Hafeez Qureshi | Individual | Critical Care Medicine (Internal Medicine) Physician | Milwaukee, WI |
| 1295944163 | Abdul Khan | Individual | Gastroenterology Physician | Pleasant Prairie, WI |
| 1619956224 | Abdulla Akfaly | Individual | Internal Medicine Physician | Eau Claire, WI |
| 1568466019 | Abdullah Fayyad | Individual | Gastroenterology Physician | Elkhorn, WI |
| 1780675439 | Abdur Khan | Individual | Infectious Disease Physician | Milwaukee, WI |
| 1891749990 | Abha Malhotra | Individual | Cardiovascular Disease Physician | Racine, WI |
| 1457307696 | Abhay Jella | Individual | Hematology & Oncology Physician | Milwaukee, WI |
| 1063529170 | Abhilash Vaishnav | Individual | Allergy & Immunology (Internal Medicine) Physician | De Pere, WI |
| 1427003227 | Abigail Christiansen | Individual | Gastroenterology Physician | Madison, WI |
| 1447461025 | Abigail Deyo | Individual | Internal Medicine Physician | La Crosse, WI |
| 1003891250 | Aboud Affi | Individual | Gastroenterology Physician | Milwaukee, WI |
| 1679513626 | Abraham Jacob | Individual | Cardiovascular Disease Physician | Madison, WI |
| 1134234776 | Abraham Varghese | Individual | Internal Medicine Physician | Milwaukee, WI |
| 1992774467 | Abraham-Rami Gal | Individual | Cardiovascular Disease Physician | Milwaukee, WI |
| 1992915342 | Achuthan Sourianarayanane | Individual | Gastroenterology Physician | Milwaukee, WI |
| 1114035755 | Adam Karewicz | Individual | Internal Medicine Physician | Fond Du Lac, WI |
| 1932257623 | Adam King | Individual | Internal Medicine Physician | Milwaukee, WI |
| 1982800991 | Adam Schlichting | Individual | Critical Care Medicine (Internal Medicine) Physician | Milwaukee, WI |
| 1275631566 | Adedayo Onitilo | Individual | Hematology & Oncology Physician | Weston, WI |
| 1275568560 | Adel Korkor | Individual | Nephrology Physician | Waukesha, WI |
| 1689646564 | Adel Zurob | Individual | Pulmonary Disease Physician | Eau Claire, WI |
| 1053316661 | Adie Harbin | Individual | Cardiovascular Disease Physician | La Crosse, WI |
| 1770516130 | Adine Rodemeyer | Individual | Internal Medicine Physician | Grafton, WI |
| 1659571867 | Aditya Rangbulla | Individual | Internal Medicine Physician | Appleton, WI |
| 1750361267 | Adnan Nazir | Individual | Internal Medicine Physician | Milwaukee, WI |
| 1669433454 | Adnan Said | Individual | Hepatology Physician | Madison, WI |
| 1316055759 | Adriana Gusatu | Individual | Internal Medicine Physician | Racine, WI |
| 1437183621 | Adriana Ioachimescu | Individual | Endocrinology, Diabetes & Metabolism Physician | Milwaukee, WI |
| 1326121773 | Adriane Gianlupi | Individual | Pulmonary Disease Physician | Eau Claire, WI |
| 1215149414 | Adrienne Barnosky | Individual | Endocrinology, Diabetes & Metabolism Physician | Wauwatosa, WI |
| 1013959766 | Advanced Health and Wellness Medical Center, Sc | Organization | Internal Medicine Physician | Milwaukee, WI |
| 1154371847 | Advanced Healthcare Sc | Organization | Internal Medicine Physician | Milwaukee, WI |
| 1982793485 | Affiliated Iinfectious Disease Consultants of Wisconsin Sc | Organization | Infectious Disease Physician | Milwaukee, WI |
| 1447471677 | Aggeliki Zikos | Individual | Internal Medicine Physician | Waukesha, WI |
| 1437105459 | Agnes Lun | Individual | Internal Medicine Physician | Milwaukee, WI |
| 1871543447 | Agnieszka Silbert | Individual | Cardiovascular Disease Physician | Madison, WI |
| 1619084142 | Ahmad Khayat | Individual | Pulmonary Disease Physician | Marinette, WI |
| 1750375143 | Ahmad Khraisat | Individual | Interventional Cardiology Physician | Greenfield, WI |
| 1710962907 | Ahmad Qureshi | Individual | Pulmonary Disease Physician | Eau Claire, WI |
| 1679548135 | Ahmed Malik | Individual | Nephrology Physician | Milwaukee, WI |
| 1114005642 | Ahmet Demircioglu | Individual | Geriatric Medicine (Internal Medicine) Physician | St Francis, WI |
| 1043286057 | Ahsan Khalid | Individual | Internal Medicine Physician | Stoughton, WI |
Internal Medicine by city in Wisconsin
- Internal Medicine in Milwaukee, WI (1,246)
- Internal Medicine in Madison, WI (1,021)
- Internal Medicine in Green Bay, WI (259)
- Internal Medicine in La Crosse, WI (256)
- Internal Medicine in Eau Claire, WI (181)
- Internal Medicine in Marshfield, WI (142)
- Internal Medicine in Appleton, WI (118)
- Internal Medicine in Waukesha, WI (108)
- Internal Medicine in Kenosha, WI (87)
- Internal Medicine in Wauwatosa, WI (87)
- Internal Medicine in Wausau, WI (83)
- Internal Medicine in Brookfield, WI (78)
- Internal Medicine in Sheboygan, WI (77)
- Internal Medicine in Menomonee Falls, WI (70)
- Internal Medicine in Oshkosh, WI (69)
- Internal Medicine in West Allis, WI (61)
- Internal Medicine in Janesville, WI (54)
- Internal Medicine in Mequon, WI (50)
- Internal Medicine in Neenah, WI (46)
- Internal Medicine in Grafton, WI (43)
- Internal Medicine in Fond Du Lac, WI (41)
- Internal Medicine in Racine, WI (41)
- Internal Medicine in Weston, WI (40)
- Internal Medicine in Beloit, WI (38)
- Internal Medicine in Marinette, WI (36)
- Internal Medicine in Fitchburg, WI (33)
- Internal Medicine in Glendale, WI (31)
- Internal Medicine in Mount Pleasant, WI (31)
- Internal Medicine in Franklin, WI (29)
- Internal Medicine in Summit, WI (29)
Frequently asked questions
How many Internal Medicine providers are in Wisconsin?
The latest NPPES snapshot lists 5,282 active providers with Internal Medicine as their primary taxonomy and a practice location in Wisconsin.
How do I verify a Internal Medicine 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.