2009
Gastroenterology, Thai Medical Council, Thailand
2009
Internal Medicine, Thai Medical Council, Thailand
2008
Gastroenterology, American Board of Internal Medicine (2008-2018), United States
2007
Gastroenterology, University of British Columbia, Canada
2006
Internal Medicine, University of British Columbia, Canada
2005
Internal Medicine, American Board of Internal Medicine (2005-2015), United States
1997
Doctor of Medicine, Chulalongkorn University, Thailand