| Elliot Weser Lectureship | University of Texas, San Antonio | 2021 |
| Howard Spiro Teaching Award | | 2020 |
| Julius Friedenwald Medal, American Gastroenterological Association | | 2018 |
| Watson Lectureship | Royal College of Physicians and Surgeons, Glasgow | 2017 |
| Sunder J. Mehta Memorial Lectureship | University of Colorado | 2017 |
| Howard Spiro Teaching Award | | 2014 |
| Frederick and Irene Stare Visiting Professorship | Harvard Medical School, Tufts Medical School, Newton-Wellesley Hospital | 2013 |
| Barbara Frank Visiting Professorship | Drexel University School of Medicine | 2013 |
| Fellow | Royal College of Physicians (London) | 2013 |
| Ken and Louise Rosenberg Visiting Professorship | Harvard Medical School, Brigham & Women's Hospital | 2013 |
| Charles A. Flood Memorial Lectureship | Columbia and Cornell Universities | 2012 |
| Goyal Family Visiting Professorship | Harvard Medical School and Bostan VA Healthcare Sysgtem | 2011 |
| R.D. McKenna Memorial Lectureship | Canadian Association of Gastroenterology | 2011 |
| Don Powell Lectureship | American Gastroenterological Association | 2011 |
| American Journal of Gastroenterology Lectureship | American College of Gastroenterology | 2009 |
| Solly Marks Lectureship | South African Gastroenterology Society | 2008 |
| John Walsh Memorial Lectureship | American Gastroenterological Association | 2004 |
| Baker Presidential Lectureship | American College of Gastroenterology | 2003 |
| American Gastroenterology Association Fitterman Foundation Clinical Research in Gastroenterology Award | | 2002 |
| Frederick F. Paustian, M.D. Lectureship | University of Nebraska | 2002 |
| Dr. Norman Frankel Visiting Scholar Award | University of Chicago | 2000 |
| American College of Gastroenterology Governors Award for Excellence in Clinical Research | | 2000 |
| Crozier Lectureship | Lahey Clinic | 1998 |
| Fellow of the Royal College of Physicians | | |
| Chair, American Gastroenterological Association 2013-2014 | | |
| President, American Gastroenterological Association Institute 2012-2013 | | |
| American Gastroenterological Association Fitterman Foundation Clinical Research in Gastroenterology Award 2002 | | |
| American College of Gastroenterology Governors Award for Excellence in Clinical Research 2000 | | |
| American Gastroenterological Association Fellow | | |
| Fellow of the American College of Gastroenterology | | |