Dr Bao obtained his medica degree at Medical University of Sai Gon (1970) and finished his residency in 1972. Dr Bao also achieved the equivalent US certification (ECFMG) in 1972. After that, Dr Bao has moved into Gastroenterology  field with Grade II  Specialist Certification  in 1986 at Medical and Pharmaceutical Univeristy of Ho Chi Minh City.
For many decades, Dr Bao  has been a well known lecturer of Medical and Pharmaceutical University of HoChi Minh City, Internal Medicine Division where he  was Vice Head until retirement.

In clinical practice, Dr Bao was gastroenterology consultant and and endoscopist at many top hospitals in Ho Chi Minh City such as Nhan Dan Gia Dinh, Cho Ray and  Medical University Hospital of Ho Chi Minh City.