Commonly treated diseases (specialized): specialized internal medicine conditions, emergency and intensive care, for both Vietnamese and foreign patients. Extensive outpatient treatment experience, particularly skilled in: diagnosing, treating, and advising on gastrointestinal disorders (gastric ulcers, colitis, gastroesophageal reflux disease, irritable bowel syndrome,...), respiratory issues (bronchitis, asthma, COPD,...), lipid disorders, hypertension, diabetes mellitus; Screening, consulting, examining, and treating HIV and sexually transmitted diseases (STDs) - gained from experience and knowledge exchange with Singaporean colleagues at the DTAP International Clinic (branch in Vietnam).