290 NPI-registered Gastroenterology Physician providers practice in Oregon. Switch states in the rail, or open the full search to filter by city and credential.
| Provider | Specialty | Location | NPI |
|---|---|---|---|
| Abhinav TiwariMD | Gastroenterology Physician | Springfield, OR | 1225411598 |
| Adam MougeyM.D. | Gastroenterology Physician | Medford, OR | 1255482360 |
| Adam SilverblattM.D. |
| Gastroenterology Physician |
| Portland, OR |
| 1811070741 |
| Aditi Reddy | Gastroenterology Physician | Portland, OR | 1114301124 |
| Ajay SinghviM.D. | Gastroenterology Physician | Portland, OR | 1740623131 |
| Alan KaynardMD | Gastroenterology Physician | Portland, OR | 1356347991 |
| Alan PosnerMD | Gastroenterology Physician | Medford, OR | 1487495255 |
| Alan SavoyMD | Gastroenterology Physician | Portland, OR | 1306839543 |
| Albert KhineM.D. | Gastroenterology Physician | Portland, OR | 1386720274 |
| Albert RyckmanMD | Gastroenterology Physician | Albany, OR | 1750341905 |
| Amelie TiritilliMD | Gastroenterology Physician | Tualatin, OR | 1962908061 |
| Amit SadanaMD | Gastroenterology Physician | Clackamas, OR | 1043285711 |
| Amnon SonnenbergMD | Gastroenterology Physician | Portland, OR | 1124033626 |
| Amy WangMD | Gastroenterology Physician | Portland, OR | 1841364783 |
| Amy ZhuMD | Gastroenterology Physician | Portland, OR | 1033379862 |
| Anantnoor BrarMD | Gastroenterology Physician | Tualatin, OR | 1376004101 |
| Andy BarnettMD | Gastroenterology Physician | Portland, OR | 1194717819 |
| Anil SharmaM.D. | Gastroenterology Physician | Portland, OR | 1497172530 |
| Anna SasakiMD, PHD | Gastroenterology Physician | Portland, OR | 1487660965 |
| Anne BreitingerMD | Gastroenterology Physician | Milwaukie, OR | 1871772442 |
| Anne WangMD | Gastroenterology Physician | Portland, OR | 1922091099 |
| Anthony HaulkMD | Gastroenterology Physician | Medford, OR | 1710957360 |
| Anthony RazzakM.D. | Gastroenterology Physician | Portland, OR | 1306075692 |
| Arnab MitraM.D. | Gastroenterology Physician | Portland, OR | 1003175464 |
| Arthur CantorM.D. | Gastroenterology Physician | Bend, OR | 1326131863 |
| Ashland Gastroenterology, LLC | Gastroenterology Physician | Ashland, OR | 1578601787 |
| Atif ZamanMD | Gastroenterology Physician | Portland, OR | 1003821513 |
| Averill GuoMD | Gastroenterology Physician | Clackamas, OR | 1407353808 |
| Barry SchlanskyM.D. | Gastroenterology Physician | Portland, OR | 1770692428 |
| Ben BryantM.D. | Gastroenterology Physician | Clackamas, OR | 1215158704 |
| Betty KimMD | Gastroenterology Physician | Portland, OR | 1457343907 |
| Branden TarlowMD | Gastroenterology Physician | Portland, OR | 1063845998 |
| Brent LeeM.D. | Gastroenterology Physician | Portland, OR | 1689888505 |
| Brian ApplebaumM.D. | Gastroenterology Physician | Oregon City, OR | 1710073200 |
| Brintha EnestvedtMD | Gastroenterology Physician | Portland, OR | 1689873507 |
| Caitlin CittiM.D. | Gastroenterology Physician | Portland, OR | 1114293990 |
| Caroline TadrosM.D. | Gastroenterology Physician | Clackamas, OR | 1427107770 |
| Centennial Medical Group West, LLC | Gastroenterology Physician | Roseburg, OR | 1891003497 |
| Chad MorseM.D. | Gastroenterology Physician | Corvallis, OR | 1588794135 |
| Chakri PanjalaM.D. | Gastroenterology Physician | Eugene, OR | 1790774677 |
| Charles DuMD | Gastroenterology Physician | Salem, OR | 1598225096 |
| Charles Gabbert | Gastroenterology Physician | Portland, OR | 1750587945 |
| Charles RosenblattMD | Gastroenterology Physician | Hillsboro, OR | 1518968189 |
| Chris HyunM.D. | Gastroenterology Physician | Tigard, OR | 1447230594 |
| Christian SpeerM.D. | Gastroenterology Physician | Salem, OR | 1407826563 |
| Christianne KratkaMD | Gastroenterology Physician | Springfield, OR | 1851310130 |
| Christopher CarterMD | Gastroenterology Physician | Portland, OR | 1003814799 |
| Chun-Yang ChangMD | Gastroenterology Physician | Oregon City, OR | 1033106034 |
| Clifford MelnykMD | Gastroenterology Physician | Portland, OR | 1811902331 |
| Courtney WalkerDO | Gastroenterology Physician | Bend, OR | 1154684504 |
| Craig ChamberlainMD | Gastroenterology Physician | Springfield, OR | 1598784928 |
| Craig ChowMD | Gastroenterology Physician | Ashland, OR | 1720078991 |
| Craig FauselMD | Gastroenterology Physician | Portland, OR | 1477555175 |
| Cristian VallejosM.D. | Gastroenterology Physician | Portland, OR | 1033206594 |
| Curtis LarsonMD | Gastroenterology Physician | Hillsboro, OR | 1659371540 |
| Daniel PhillipsMD | Gastroenterology Physician | Springfield, OR | 1407875255 |
| David ClarkeMD | Gastroenterology Physician | Clackamas, OR | 1306959002 |
| David GlaserMD | Gastroenterology Physician | Roseburg, OR | 1730165721 |
| David GrunkemeierMD | Gastroenterology Physician | Portland, OR | 1972542090 |
| David LiebermanM.D. | Gastroenterology Physician | Portland, OR | 1790713063 |
| Davis SimMD PHD | Gastroenterology Physician | Springfield, OR | 1265668263 |
| Debbie ChengMD | Gastroenterology Physician | Portland, OR | 1730576018 |
| Dekey LhewaMD | Gastroenterology Physician | Portland, OR | 1518166438 |
| Dempsie MorrisonD.O. | Gastroenterology Physician | Roseburg, OR | 1992031793 |
| Dennis SweeneyMD | Gastroenterology Physician | Portland, OR | 1760475826 |
| Deron AmadorM.D. | Gastroenterology Physician | Portland, OR | 1841653490 |
| Diane WilliamsDO | Gastroenterology Physician | Portland, OR | 1619973351 |
| Dirk Van LeeuwenM.D., PH.D., FAASLD | Gastroenterology Physician | Portland, OR | 1205941309 |
| Donald LumMD | Gastroenterology Physician | Portland, OR | 1376535724 |
| Donald YangMD | Gastroenterology Physician | Springfield, OR | 1023037306 |
| Douglas ShumakerMD | Gastroenterology Physician | Portland, OR | 1225034937 |
| Douglas WaltaMD | Gastroenterology Physician | Portland, OR | 1023001195 |
| Edward SchultheissMD | Gastroenterology Physician | Salem, OR | 1730167586 |
| Elaine GossmanM.D. | Gastroenterology Physician | Clackamas, OR | 1427061886 |
| Ellen GolodnerM.D. | Gastroenterology Physician | Bend, OR | 1184609778 |
| Elliot JooMD | Gastroenterology Physician | Portland, OR | 1033322128 |
| Emery LinM.D. | Gastroenterology Physician | Portland, OR | 1871869362 |
| Emily JonicaM.D. | Gastroenterology Physician | Portland, OR | 1700272291 |
| Eric TatroMD | Gastroenterology Physician | Salem, OR | 1558821827 |
| Erica DonnanMD | Gastroenterology Physician | Springfield, OR | 1396087912 |
| Erich VorlopM.D. | Gastroenterology Physician | Portland, OR | 1831315829 |
| Erik VankleekMD | Gastroenterology Physician | Tualatin, OR | 1811192370 |
| Eugene Gastroenterology Consultants PC | Gastroenterology Physician | Springfield, OR | 1457374480 |
| Evan Reinhart | Gastroenterology Physician | Hillsboro, OR | 1578068284 |
| Falguny BhavanMD | Gastroenterology Physician | Salem, OR | 1033318357 |
| Fouad OtakiM.D. | Gastroenterology Physician | Portland, OR | 1013229996 |
| Gastroenterology Consultants, PC | Gastroenterology Physician | Medford, OR | 1639104136 |
| Gastroenterology Specialists of Oregon PC | Gastroenterology Physician | Oregon City, OR | 1164464616 |
| Gennadiy BakisM.D. | Gastroenterology Physician | Portland, OR | 1184614455 |
| George KovalMD | Gastroenterology Physician | Portland, OR | 1093711715 |
| Gerald Engstrom | Gastroenterology Physician | Roseburg, OR | 1316122708 |
| Gerald EngstromMD | Gastroenterology Physician | Roseburg, OR | 1609851898 |
| Gi Associates, PC | Gastroenterology Physician | Roseburg, OR | 1962637058 |
| Ginger DegravelleMD | Gastroenterology Physician | Portland, OR | 1205362944 |
| Glenn EisenMD | Gastroenterology Physician | Portland, OR | 1295741759 |
| Good Samaritan Hospital Corvallis | Gastroenterology Physician | Corvallis, OR | 1821802117 |
| Gregory CoteMD, MS | Gastroenterology Physician | Portland, OR | 1962591156 |
| Gregory KnechtMD | Gastroenterology Physician | Springfield, OR | 1598785578 |
| Gregory PotterM.D. | Gastroenterology Physician | Salem, OR | 1336256569 |
| Gregory WintersMD | Gastroenterology Physician | Medford, OR | 1891761037 |
Source: CMS NPPES Data Dissemination (June 2026). Specialty taxonomy: NUCC.
