Education
2007
Thai Medical Council, Thailand2006
Thai Medical Council, Thailand2000
Mayo Graduate School of Medicine, United States1999
American Board of Allergy and Immunology (1999-2009), United States1995
American Board of Internal Medicine (1995-2005), United States1994
American Board of Internal Medicine (1994-2004), United States1994
University of Maryland, United States1993
State University of New York, United States1991
American Board of Internal Medicine (1991-2001), United States1990
State University of New York, United States1986
Hahnemann Medical College, United States