Top Gastroenterologists in Wisconsin, 2026
Published by Palm Beach County Medical Media Group · Last updated April 30, 2026

How this ranking was built: We applied PBCMMG's seven weighted criteria (board certification, years in active practice, disciplinary record, aggregate patient reviews, hospital affiliations, specialty training, peer recognition) to every gastroenterology physician with active credentialing in Wisconsin. Sources: NPPES Registry, ABMS, state medical boards, aggregated public review data. Last reviewed April 2026.
- #1GastroenterologyWisconsin, WI21+ years in practice
Aboud Affi, MD, practices gastroenterology in Wisconsin, WI. NPI-verified active practice since 2005.
- #2GastroenterologyWisconsin, WI21+ years in practice
Myles Keroack, MD, practices gastroenterology in Wisconsin, WI. NPI-verified active practice since 2005.
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- #8GastroenterologyWisconsin, WI20+ years in practice
Kevin McClelland, MD, practices gastroenterology in Wisconsin, WI. NPI-verified active practice since 2006.
- #9GastroenterologyWisconsin, WI20+ years in practice
Gary Griglione, MD, practices gastroenterology in Wisconsin, WI. NPI-verified active practice since 2006.
- #10GastroenterologyWisconsin, WI20+ years in practice
David Carron, MD, practices gastroenterology in Wisconsin, WI. NPI-verified active practice since 2006.
Spot a methodology error or want to challenge a ranking? info@pbcmmg.com. Substantiated corrections are dated and noted on this page.