October 1987 - October 1993: General Practitioner - Hanoi Medical University

1994-1997: Resident Doctor & Specialist I - Hanoi Medical University

2002: Graduated with Master's degree - Hanoi Medical University

September 2017 - October 2019: Specialist II - Hanoi Medical University

1998- February 2007: Lecturer of General Internal Medicine - Hanoi Medical University & Doctor of General Internal Medicine Department of Central Geriatric Hospital

February 2007 - July 2013 Central Geriatric Hospital - Head of General Internal Medicine Department

August 2013 - October 15, 2023 - Hanoi Medical University - Lecturer of Internal Medicine - Department of Geriatrics & Head of General Internal Medicine Department of Geriatric Hospital

February 2018 - February 2023: Head of medical examination department on request - Geriatric Hospital

March 2023 - October 2023: Director of on-demand medical examination center - Geriatric Hospital

October 20, 2023: Vinmec Times City Hospital - Deputy Department of General Internal Medicine

• Survey of some factors affecting PSA levels in patients with benign prostatic hypertrophy - Journal of Practical Medicine No. 3 (475). 2004
• Initial results of treating bladder neck stenosis with a 980 nm side-launch laser system - Journal of Practical Medicine No. 5 (870). 2013
• The relationship between vulnerability syndrome and polypharmacy in elderly patients - Vietnam Journal of Physiology. Volume 21 No2 June 2017
• Characteristics of Vulnerable Syndrome in the elderly with chronic kidney disease - Vietnam Medical Journal. Volume 482. September No. 1. 2019.
• Characteristics of vulnerable syndrome in elderly patients with osteoporosis at the Central Geriatric Hospital - Vietnamese Medical Journal. Volume 521. December No. 2. 2022.
• Clinical characteristics of elderly Sarcopenia patients - Vietnam Journal of Physiology. Volume 27. No2 June 2023.
• Clinical characteristics, endoscopic images and histopathology in patients with hereditary diffuse gastric cancer - Vietnamese Medical Journal. Volume 529. August No. 2. Year 2023.
• Clinical characteristics and morphology of gastritis lesions in the elderly at the Central Geriatric Hospital - Vietnamese Medical Journal. Volume 530. September No. 1. Year 2023.