Ngan holds a Master of Pharmacy from University of Toulouse III, France under the Mekong Pharma program for pharmacists in Southeast Asia and also a research scientist in the field of medicine quality at Lao-Oxford-Mahosot Hospital-Wellcome Trust Research Unit (LOMWRU).

In 2019, Ngan joined LOMWRU as a master's trainee in pharmacology. From 2020 to present, she worked as a research scientist of the Medicine Quality Research Group. Ngan analysed data on the quality of cardiovascular medicine and anti-retroviral medicine and publish two research articles in BMJ global health.

In addition, she also participates in supporting ABACUS II project in Vietnam, Gram2 project and curation Vietnamese articles in HealthMap: global infectious disease monitoring through automated classification and visualisation of Internet media reports.