Residency training in Internal Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
Fellowship in Endocrinology, Diabetes and Metabolism Washington University School of Medicine, St.Louis, Missouri, U.S.A. (Mentor: Professor Philip E Cryer)
Certificate of Foreign Medical Graduate for Education in Medical Science
วุฒิบัตรผู้เชี่ยวชาญสาCertificate of Foreign Medical Graduate for Education in Medical Scienceขาอายุรศาสตร์ทั่วไป พ.ศ. 2530
Certificate of Fellowship in Endocrinology, Diabetes and Metabolism (Barnes Hospital and Washington University School of Medicine, St.Louis, Missouri, USA