Thomson Memory & Attention
Visit us at our St. Charles, IL
office.
Hours
- Monday
- -
- Tuesday
- -
- Wednesday
- -
- Thursday
- -
- Friday
- -
- Saturday
- -
- Sunday
- Closed
Map & Directions
Our St. Charles, Illinois, office serves the following towns and surrounding areas: Geneva, Batavia, Elburn, West Chicago, Sugar Grove, Aurora, Elgin, St. Charles
Our Providers
St. Charles, IL

Dr. Ennis F. Vaile, Ph.D.
Clinical Neuropsychology Fellow
Dr. Ennis Vaile received his Doctorate in Clinical Psychology from the University of Montana in 2023 after completing his APA-accredited internship at the VA Health Care System
in Salt Lake City, UT. During his internship, Dr. Vaile completed rotations in neuropsychological assessment, rehabilitation psychology, outpatient substance use recovery, trauma-focused therapy for college veterans, and Dialectical Behavior Therapy (DBT). His research interests are centered around promoting resilience in American Indian older adults who face health disparities related to cardiovascular disease, diabetes, arthritis, and asthma. Dr. Vaile is currently completing his post-doctoral training at Thomson Memory & Attention with clinical interests including stroke, traumatic brain injury, and dementia. Within his clinical work, he has worked with individuals across the lifespan, including school-age children and elderly adults. Dr. Vaile is an enrolled member of the Blackfeet Tribe (Amskapi Piikuni) in Montana and looks forward to bringing his neuropsychological training back to Indian Country and Indian Health Service (IHS). He takes a strength-based perspective that strives for respect, equity, and the provision of culturally informed care. Outside of his professional work, his hobbies include playing guitar, reading, cooking, hiking, camping, exploring other cultures, and enjoying time with his family.
✓ Internship: VA Health Care System
in Salt Lake City
✓ Clinical Interests in Stroke, Traumatic Brain Injuries, and Dementia
✓ Saint Charles Office

Dr. Holly Hagen, Psy.D.
Clinical Neuropsychologist
Dr. Holly Hagen
received her Doctorate in Psychology from the Adler School of Professional Psychology
with a concentration in Neuropsychology. She completed her internship at Mount Sinai Medical Center
in New York specializing in TBIs, stroke, and anoxic injury. Her formal two-year fellowship in Clinical Neuropsychology was completed with Thomson Memory & Attention, and Dr. Hagen has remained a part of the team ever since. She has extensive experience in assessing patients of all ages with a particular focus in pediatrics. During her free time, Dr. Hagen enjoys running, cooking, and spending time with her family.
✓ Senior Clinical Supervisor
✓ Internship: Mount Sinai Medical Center
✓ St. Charles Office