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About Dr. Tan


Alexander Tan, Ph.D. is a licensed pediatric neuropsychologist who specializes in the assessment of children, adolescents, and young adults with neurological and neurodevelopmental disorders including ADHD, autism, and learning disabilities. In addition to his private practice, he is a pediatric neuropsychologist at Children’s Hospital of Orange County (CHOC) and co-directs the CHOC Heart Institute Cardiac Neurodevelopmental Clinic, in addition to being the CHOC Representative to the Cardiac Neurodevelopmental Outcome Collaborative. 

Ph.D. in Clinical Psychology
University of Texas Southwestern Medical Center
APA-Accredited Doctoral Program
Internship in Pediatric Neuropsychology
Children’s Medical Center Dallas & University of Texas Southwestern Medical Center
APA-Accredited Internship Program
Fellowship in Pediatric Neuropsychology
Children’s Healthcare of Atlanta & Emory University
APPCN Member Fellowship Program

Education & Training


Dr. Tan is an internationally recognized speaker in the field and also frequently speaks in the community regarding clinical neuropsychology, autism spectrum disorder, and mental health. Additionally, he is a clinical supervisor for CHOC’s internship and fellowship training programs.  


Dr. Tan has co-authored over 40 scientific presentations and journal articles in the field, including publications in the areas of congenital heart disease, demyelinating diseases, concussion, and genetic disorders.

Select Peer-Reviewed Articles

Tan, A., Marcus, D. J., Howarth, R. A., & Gombolay, G. (2021). Neuropsychological phenotypes of pediatric anti-myelin oligodendrocyte glycoprotein associated disorders: a case series. Neuropediatrics. Epub ahead of print.

Tan, A., Semmel, E., Wolf, I., Hammett, B., & Ilardi, D. (2020). Implementing standard screening for autism spectrum disorder in congenital heart disease. Cardiology in the Young, 30(8), 1118-1125.

Wilmoth, K., Curcio, N., Tarkenton, T., Meredith-Duliba, T., Tan, A., Didehbani, N., Hynan, L. S., Miller, S., Bell, K. R., & Cullum, C. M. (2019). Utility of brief psychological measures for prediction of prolonged symptom clearance in concussed student athletes. Archives of Clinical Neuropsychology. Epub ahead of print.

Wilmoth, K., Tan, A., Hague, C., Tarkenton, T., Silver, C. H., Didehbani, N., Rossetti, H. C., Bell, K. R., & Cullum, C. M. (2019). Current state of the literature on psychological and social sequelae of sports-related concussion in school-aged children and adolescents. Journal of Experimental Neuroscience, 13, 1-9.

Tan, A., Delgaty, L., Steward, K., & Bunner, M. (2018). Performance-based measures and behavioral ratings of executive function in diagnosing attention-deficit/hyperactivity disorder in children. ADHD Attention Deficit and Hyperactivity Disorders, 10(4), 309-316.

Tan, A., Goodspeed, K., & Bordes Edgar, V. (2018). Pitt-Hopkins syndrome: a unique case study. Journal of the International Neuropsychological Society, 24(9), 995-1002. Continuing Education Offered by INS

Tan, A., Hague, C., Greenberg, B. M., & Harder, L. (2018). Neuropsychological outcomes of pediatric demyelinating diseases: a review. Child Neuropsychology, 24(5), 575-597. Continuing Education Offered by AACN

Steward, K., Tan, A., Delgaty, L., Gonzales, M. M., & Bunner, M. (2017). Low self-awareness of executive functioning deficits in adolescents with ADHD. Journal of Attention Disorders, 21(4), 316-322.

Tan, A., Yeh, S. H., Liu, C. J., Cheung, C., & Chen, P. J. (2008). Viral hepatocarcinogenesis: from infection to cancer. Liver International, 28(2), 175-188.


On an international level, Dr. Tan serves on the American Psychological Association Society for Clinical Neuropsychology Education Advisory Committee and is a co-founder of KnowNeuropsychology, and he is passionate about advancing neuropsychology education, training, and mentorship. He also serves on the Asian Neuropsychological Association Executive Committee and is a founding delegate of the Cultural Neuropsychology Council, and he participates in advocacy related to cultural disparities within neuropsychology. Additionally, he has previously held leadership positions in the National Academy of Neuropsychology and Texas Psychological Association.
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