NPI Portal NPI Lookup & Verification

Internal Medicine in Marshfield, WI

142 active Internal Medicine providers practice in Marshfield, Wisconsin according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.

Internal Medicine providers in Marshfield, WI
NPI Name Type Specialty Location
1104874304 Abdou Elhendy Individual Cardiovascular Disease Physician Marshfield, WI
1033227301 Alan Mckenzie Individual Endocrinology, Diabetes & Metabolism Physician Marshfield, WI
1962575902 Ali Bseiso Individual Hematology & Oncology Physician Marshfield, WI
1386707750 Amir Cheema Individual Cardiovascular Disease Physician Marshfield, WI
1972562346 Arun Kalyanasundaram Individual Interventional Cardiology Physician Marshfield, WI
1306946256 Brian Ewert Individual Nephrology Physician Marshfield, WI
1871601773 Camille Torbey Individual Internal Medicine Physician Marshfield, WI
1801904784 Christopher Rall Individual Gastroenterology Physician Marshfield, WI
1396845012 Craig Wolfe Individual Critical Care Medicine (Internal Medicine) Physician Marshfield, WI
1407956139 Daniel Quinn Individual Pulmonary Disease Physician Marshfield, WI
1417027699 David Bjarnason Individual Rheumatology Physician Marshfield, WI
1356451801 David Grierson Individual Cardiovascular Disease Physician Marshfield, WI
1366542227 Douglas Duffy Individual Nephrology Physician Marshfield, WI
1437267440 Douglas Peterson Individual Internal Medicine Physician Marshfield, WI
1568570539 Eram Rahim Individual Internal Medicine Physician Marshfield, WI
1942318951 Ewa Kubica Individual Internal Medicine Physician Marshfield, WI
1194825596 Fergus Mckiernan Individual Internal Medicine Physician Marshfield, WI
1871693523 Frank Guzowski Individual Geriatric Medicine (Internal Medicine) Physician Marshfield, WI
1568570828 Gaojun Gui Individual Internal Medicine Physician Marshfield, WI
1518077684 Gary Mayeux Individual Gastroenterology Physician Marshfield, WI
1356451504 Gary Vanoudenhoven Individual Internal Medicine Physician Marshfield, WI
1720188931 Gurdon Hamilton Individual Internal Medicine Physician Marshfield, WI
1508966813 Guruprasad Naik Individual Cardiovascular Disease Physician Marshfield, WI
1740395201 H Thomas Campbell Individual Nephrology Physician Marshfield, WI
1831290691 Henry Grant Individual Critical Care Medicine (Internal Medicine) Physician Marshfield, WI
1619077021 Howard Swanson Individual Rheumatology Physician Marshfield, WI
1417057167 Humberto Vidaillet Individual Cardiovascular Disease Physician Marshfield, WI
1417031014 J Lee Individual Infectious Disease Physician Marshfield, WI
1447350848 Jane Kennedy Individual Internal Medicine Physician Marshfield, WI
1124225982 Jayanth Vedre Individual Critical Care Medicine (Internal Medicine) Physician Marshfield, WI
1144320896 Jeanne Spellman Individual Infectious Disease Physician Marshfield, WI
1487754800 Jerry Goldberg Individual Rheumatology Physician Marshfield, WI
1356564355 Jesus Nunez-Gornes Individual Gastroenterology Physician Marshfield, WI
1184814378 Jian Khamo-Soskos Individual Internal Medicine Physician Marshfield, WI
1225138951 John Campbell Individual Critical Care Medicine (Internal Medicine) Physician Marshfield, WI
1073510731 John Cordova Individual Critical Care Medicine (Internal Medicine) Physician Marshfield, WI
1972613420 John Hayes Individual Clinical Cardiac Electrophysiology Physician Marshfield, WI
1194835249 John Olson Individual Internal Medicine Physician Marshfield, WI
1861592073 John Parker Individual Internal Medicine Physician Marshfield, WI
1780784629 Jonathon Forncrook Individual Internal Medicine Physician Marshfield, WI
1508974874 Juan Mesa Individual Cardiovascular Disease Physician Marshfield, WI
1235249780 Kamilla Buddemeier Individual Cardiovascular Disease Physician Marshfield, WI
1700996238 Kelley Anderson Individual Cardiovascular Disease Physician Marshfield, WI
1013011121 Kenneth Engelhart Individual Internal Medicine Physician Marshfield, WI
1639287436 Kevin Lang Individual Gastroenterology Physician Marshfield, WI
1811907694 Kristen Polga Individual Internal Medicine Physician Marshfield, WI
1265541387 Lawrence Clouse Individual Hematology & Oncology Physician Marshfield, WI
1255431193 Lee Cody Individual Internal Medicine Physician Marshfield, WI
1366550386 Linda Daly-Oneill Individual Internal Medicine Physician Marshfield, WI
1528176559 Lori Remeika Individual Internal Medicine Physician Marshfield, WI

Frequently asked questions

How many Internal Medicine providers are in Marshfield, WI?
The latest NPPES snapshot lists 142 active Internal Medicine providers with a practice address in Marshfield, Wisconsin.
How do I check a Internal Medicine provider's NPI in Marshfield?
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 2026-07-10.