Mark E. DeVries, PhD, Licensed Psychologist

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Mark E. DeVries, PhD, Licensed Psychologist

Mark E. DeVries, PhD, Licensed Psychologist

Dr. DeVries returned to the Psychological Consultation Center in January 2009. He had previously worked at Pine Rest from 1992 to 2002. Dr. DeVries is a licensed psychologist who provides neuropsychological evaluations with a focus on early detection of dementia in adults and older adults. Dr. DeVries also provides neuropsychological evaluations of adults with history of brain injury and other medical and/or neurological disorders.

Prior to returning to Pine Rest, Dr. DeVries worked as a staff psychologist for Hope Network Rehabilitation Services in Grand Rapids. Dr. DeVries earned a bachelor’s degree in Psychology from Calvin College, a master’s degree in Counseling Psychology from Western Michigan University, and a Ph.D. in Clinical Psychology from Fuller Theological Seminary’s graduate school of Psychology.


  • Attention Deficit/Hyperactivity Disorder (ADHD/ADD)
  • Dementia / Alzheimer's Assessments
  • Learning Disability Assessments
  • Neuropsychological Assessments
  • Pre-Surgical Evaluations
  • Psychological Assessments

Patient Ages

  • Adult
  • Older Adult


Blog posts written by Mark E. DeVries, PhD, Licensed Psychologist

When Sleep and Memory Problems Co-occur: Which Came First?

Posted on: Aug 20, 2020

Memory Loss and Aging: Why it Might Not Be Dementia

Posted on: May 05, 2020

Neuropsychological Evaluation: What to Expect

Posted on: Apr 01, 2020