Call me directly: 610-696-8740

PO Box 1028 Exton, PA 19341 View Location

About Dr. Mapes

I am a licensed psychologist in Pennsylvania practicing forensic and clinical psychology.  During the past 40 years I have practiced in outpatient, hospital, residential treatment, and forensic settings.  As a forensic psychologist I have been qualified to provide expert opinions in jurisdictions within and outside of Pennsylvania, as well as in federal court.  In my clinical practice I provide therapeutic services to children, adolescents, and adults, to couples, and to families.


    • 1968 BA in Liberal Arts (minor in Psychology): Muhlenberg College
    • 1971 MA in Psychology: Temple University
    • 1974 Ph.D. Psychological Services: University of Pennsylvania. (APA approved program in Professional Psychology.)


    • Licensed for the private practice of psychology: PA Board of Psychologist Examiners
    • Certificate of Proficiency in the Treatment of  Alcohol and Other Psychoactive Substance Abuse Disorders: APA College of Professional Psychology
    • PA Department of Education Certifications (currently inactive status): Special Education Teacher, Elementary Guidance Counselor, School Psychologist, Supervisor of Special Education, Supervisor of Psychological Services


  • American Psychological Association (Member):
    • American Psychology – Law Division
    • Addictions Division
  • Pennsylvania Psychological Association (Fellow)
    • Board of Directors: past Public Interest Board Chair
    • Board of Directors: past Liaison to Executive Committee
    • Banking and Finance Committee
    • Executive Director Search Committee
    • Forensic and Criminal Justice Committee
    • Ethics Committee
    • Child Custody Committee
  • PennPsyPAC Board of Directors:  Member, Chair
  • PA Psychological Foundation: Member, Secretary / Treasurer
  • National Register of Health Service Providers
  • National Academy of Neuropsychology: Professional Member
  • American Board of Psychologist Examiners: Fellow
  • International Association for Correctional and Forensic Psychology: Member
  • Association of Family and Conciliation Courts: Member