Ngin earned her physician assistant degree from USC Keck School of Medicine in Los Angeles. She chose the medical profession because she wanted to make a positive impact on others. Ngin was born and raised in Vietnam, and saw firsthand how important quality healthcare was to people of all ages. When she came to the United States, her first priority was to obtain a medical education so she could help others. Ngin's patients say that she is caring and offers detailed information about their medical conditions and treatment options. In addition to English, Ngin speaks the Chinese dialect of Teochew as well as basic Spanish.