Sleep Medicine Fellowship,
USA, 2009
Geriatric Medicine Fellowship,
University of Florida, GRECC, Gainesville, Florida, USA, 1999
Pulmonary Medicine Fellowship,
Mount Sinai at Queens Hospital Program, New York, USA, 1998
Internal Medicine Residency,
Bronx Lebanon Hospital Center, New York, USA, 1996
M.D., Faculty of Medicine,
Chulalongkorn University, Thailand, 1991