Katie Hannah-Fisher, PhD


Dr. Katie Hannah-Fisher obtained her doctorate in Clinical Psychology at California School of Professional Psychology in San Francisco. She completed her APA accredited internship at the University of Alabama at Birmingham/ Birmingham VA where she obtained specialized training in neuropsychology and rehabilitation psychology. She completed her postdoctoral fellowship in Neuropsychology at Cedars-Sinai Medical Center in Los Angeles in 2021. Clinical interests include evaluation of dementia, brain injury, poly-trauma, movement disorders, and functional disorders.

Jonathan S. Beck, PhD


Dr. Beck received his doctorate degree in clinical psychology, with an emphasis in neuropsychology, at Brigham Young University. He completed an internship through the Wichita Collaborative Psychology Internship Program, where he received training at multiple agencies, including a community mental health center and the University of Kansas School of Medicine, Wichita. He completed a postdoctoral fellowship in neuropsychology at Rush University Medical Center in Chicago. His research interests include improving the accuracy of the autism diagnostic process, especially for girls and women, and enhancing the mental health of individuals with autism. Clinical interests include evaluation of neurodevelopmental concerns and neuropsychological changes associated with dementia, epilepsy, stroke, and traumatic brain injury.

Tricia L. Smith, MS


Tricia Smith, MS, earned her master’s in psychology at the University of Oregon in 2000, then completed a five year residency program in clinical neuropsychology in Medford, Oregon.  She has published original research in Alzheimer’s assessment, and has served on the Alzheimer’s Associations’ advisory board for the Southern Oregon region.

Mercedes Dickinson, PhD, ABPP-CN


Dr. Dickinson received her doctorate in Clinical Psychology, with a specialization in Neuropsychology, at the University of Houston.  She completed her internship in Clinical Psychology/ Neuropsychology at the VA Pittsburgh HealthCare System and her postdoctoral fellowship in Neuropsychology at the Medical College of Wisconsin.  Her research interests have focused on the cognitive changes associated with primary and metastatic brain tumors and their treatment (e.g., surgery, radiation therapy, and chemotherapy).  Clinical interests also include evaluation of dementia, traumatic brain injury, epilepsy, multiple sclerosis, and movement disorders.  Dr. Dickinson is a consulting neuropsychologist for both Medford hospitals.

Michael R. Villanueva, PsyD, ABPP-CN


Dr. Villanueva received his doctorate at Baylor University in 1990, and completed his internship and post doctoral residency at the Portland VAMC at Oregon Health Sciences University.  Dr. Villanueva is board-certified in neuropsychology.  He has served as a reviewer for medical journals, published original research in assessment of dementia, and is a consulting neuropsychologist for both Medford hospitals.  Dr. Villanueva is also a member of the State Lawyer Assistant Committee.  Dr. Villanueva has served as the president of the Oregon Geriatric Society, and continues to work with providers statewide to educate healthcare professionals regarding geriatric patient care.

Our Providers

Kristin Maple, PhD


Dr. Kristin Maple completed her doctorate in Clinical Psychology, with specialization in Neuropsychology, at the University of Wisconsin-Milwaukee. She completed her pre-doctoral internship in Clinical Psychology (Neuropsychology track) at the VA Maryland Healthcare System/University of Maryland School of Medicine Internship Consortium. She then completed a postdoctoral residency/fellowship in Clinical Neuropsychology at the Minneapolis VA. She has conducted research on the impact of substance use and infectious diseases on neurocognitive functioning. Her research has also investigated the use of passive sensor-based activity monitoring technologies for early detection of cognitive decline. She has published several papers in peer-reviewed journals. She is a consulting neuropsychologist for both Medford hospitals. Dr. Maple grew up in Oregon and enjoys spending time outdoors with her family and friends.

Southern Oregon  Neuropsychological Clinic​
Southern Oregon Neuropsychological Clinic provides comprehensive neuropsychological assessment services to child, adult, and geriatric cases of known or suspected cognitive and behavioral health issues.