Top Gastroenterologists in Ohio, 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 Ohio. Sources: NPPES Registry, ABMS, state medical boards, aggregated public review data. Last reviewed April 2026.
- #1GastroenterologyOhio, OH20+ years in practice
Hagop Mekhjian, MD, practices gastroenterology in Ohio, OH. NPI-verified active practice since 2006.
- #2GastroenterologyOhio, OH20+ years in practice
Adam Tzagournis, MD, practices gastroenterology in Ohio, OH. NPI-verified active practice since 2006.
- #3GastroenterologyOhio, OH17+ years in practice
Michael Loughlin, DO, practices gastroenterology in Ohio, OH. NPI-verified active practice since 2009.
- #4GastroenterologyOhio, OH14+ years in practice
Samuel Han, MD, practices gastroenterology in Ohio, OH. NPI-verified active practice since 2012.
- #5GastroenterologyOhio, OH10+ years in practice
Talal Seoud, MD, practices gastroenterology in Ohio, OH. NPI-verified active practice since 2016.
Spot a methodology error or want to challenge a ranking? info@pbcmmg.com. Substantiated corrections are dated and noted on this page.