Dr. Nguyen has been practiced as a Laser, Cosmetic and Family Dentist in Houston since 1993. In 1998 he was named as one of the AMERICAN TOP DENTISTS. He is an active member of the DEAN COUNCIL at San Antonio Dental School, OKU Dental Honor Society, Texas A&M Dental and Medical Society, American Cosmetic Association, American Dental Association, Texas Dental Association, Greater Houston Dental Society, Northwest Houston Chamber of Commerce's Chairman Circle, International Academy of Oral Medicine and Toxicology, American Orthodontic Association, Houston Asian Dental Society, and Advanced Dental Institute. He appeared many times in local and national televisions to discuss various current dental topics. His articles have been published monthly in the local newsletters.