Specializing in brain-behavior relationships
NSG – Dallas
Our NSG - Dallas providers work with patients in the Dallas - Fort Worth area to evaluate and improve their mental health wellness. Call or contact us today to learn more about our professional neurospsychology services.
Our Services
We offer a variety of professional neuropsychology services ranging from general psychological evaluations to specialized cognitive assessments to psychotherapy and cognitive remediation.
Delivering optimal patient health outcomes
Conditions We Treat
At NSG, our expert team of board-certified clinical neuropsychologists assess and diagnose for various mental health conditions. We work to ensure optimal patient health outcomes through customized treatment plans to fit your needs.
We work with a wide range of mental health conditions including (but not limited to):
Meet the NSG Team
Nicholas Wisdom, Ph.D., ABPP
Robert L. Collins, Ph.D., ABPP

Dr. Dunn joined Neurocognitive Specialty Group in 2020. She has been practicing as a clinical neuropsychologist in the Dallas area for the last three years. Dr. Dunn completed her doctorate degree in clinical psychology from the University of North Texas in 2016. Her clinical internship was completed at the Central Texas Veterans Health Care System in Austin, Texas followed by a two-year APPCN postdoctoral residency in neuropsychology at the Rehabilitation Institute of Michigan in Detroit, Michigan. Dr. Dunn also serves as an adjunct professor for doctoral students at the University of North Texas.

Dr. Nguyen is a clinical neuropsychologist and joined Neurocognitive Specialty Group in 2020. Dr. Nguyen received his bachelor’s degree at the University of Oklahoma, master’s degree at Purdue University, and doctorate degree at the University of North Texas. He completed an APA-accredited internship at the Dallas VA and a two-year APPCN postdoctoral residency in neuropsychology at the Houston VA. Dr. Nguyen has held leadership positions in the Asian Neuropsychology Association, Vietnamese Neuropsychological Network, and the Sports Neuropsychology Society. His hobbies include watching and playing sports, eating any and all types of foods, and spending time with friends and family, including his wife and two infant children.
NSG – Dallas Office
Office Hours
Monday - Friday
9:00 a.m. - 5:00 p.m.
Saturday - Sunday
Appointments by request
Contact Information
Address
2300 Valley View
Suite 632
Irving, TX 75062
Phone
Fax
Contact us
to get started
For more information regarding our services or to schedule your initial consultation, please fill out our form and an NSG representative will follow up.