About Me

Trained at Columbia University and the prestigious National Hospital for Nervous Disease at Queen Square England, Dr Daniel Truong is one of the few neurologists with formal training in Parkinson's disease and Movement Disorder in Orange County. As one of the pioneers in the development of botulinum toxin treatment of movement disorders, he has published many articles in its use.

Dr. Truong is well known internationally for his work in development the animal model of myoclonus. The model has become the mainstay for research in this field. In clinical research, the Truong and Fahn myoclonus rating scale, which was developed by both Dr. Truong and Dr. Stanley Fahn, has become one of the main instruments used internationally for therapeutic investigation of the disease.

Dr. Truong is the author or nearly 60 scientific articles and book chapters. Dr. Truong has been involved in many dystonia research projects. He was instrumental in the early of development of botulinum toxin use in spasmodic dysphonia, a disorder that renders the patient unable to talk. Dr. Truong was the founder of the National Spasmodic Dysphonia Association (NSDA), for which he served as chairman of the medical advisory board from 1990 to 1997. He has also served as Medical Advisor for the National Spasmodic Torticollis Association from 1990 until 1998.

In the field of Parkinson's disease, Dr. Truong has participated in many clinical research studies involved with the development of many currently available Parkinson's drugs. He is a member of the Parkinson Study Group. Dr. Truong has been featured in many television interviews and newspaper articles. He founded the Parkinson's and Movement Disorder Program at UCI and left in 1997 to form the Parkinson and Movement Disorder Institute.

The Parkinson's and Movement Disorder Institute features patient care for neurological disorders as well as conduction of clinical and basic science research with the development of better treatments at its goal. For more information, visit the institute website at www.pmdi.org.


English, French, German, Vietnamese

Provider Specialty


Areas of Care

  • Deep Brain Stimulation
  • Pallidotomy
  • Thalamotomy


Medical Education

University of Freiburg Faculty of Medicine

Locations & Affiliations


The Truong Neuroscience Institute

9940 Talbert Avenue, Suite 100

Fountain Valley, CA

Office: (714) 378-5062

Insurances Accepted

Boeing MemorialCare Health Alliance ACO
Aetna Commercial HMO
Anthem Commercial HMO
BlueShield Commercial HMO
Cigna Commercial HMO
Health Net Commercial HMO
UHC Commercial HMO
BlueShield Trio Commercial HMO
Anthem Vivity HMO
Alignment Medicare Advantage HMO
Aetna Medicare Advantage HMO
BlueShield Medicare Advantage HMO
Health Net Medicare Advantage HMO
Humana Medicare Advantage HMO
SCAN Medicare Advantage HMO
UHC AARP Medicare Advantage HMO
Aetna Whole Health ACO
Centivo ACO
Anthem Pathway HMO
Cigna Value/Select HMO
UHC Harmony Commercial HMO
Clever Care Medicare Advantage HMO