Dr. John Markey | Forensic Psychologist
Expert Forensic Psychology &
Clinical Services
Dr. John Markey has over 23 years in the behavioral health field, 16 years as a Certified Alcohol and Drug Counselor, and 14 years as a licensed psychologist. Dr. Markey is licensed to practice in PA and NJ.
Dr. John Markey delivers rigorous, research-based assessments—from competency to custody—with compassion and ethics.
Dr. John Markey offers attorneys, families, and agencies clear, comprehensive evaluations and tailored recommendations to address complex psychological needs.
Extensive Experience
Across forensic and clinical settings spanning two decades of practice.
Research-Driven
Applying the latest validated assessment tools and robust, evidence-based protocols.
Court-Recognized Authority
Trusted by legal professionals for impartial, thorough, and reliable expert testimony
Personalized Care
Tailoring each evaluation and recommendation to the individual’s unique circumstances
Forensic Psychology Services
Covering the Full Spectrum of Forensic Psychology Services
Dr. Markey's Hours are 9am - 5pm Monday through Friday.
By appointment only.
By appointment only.
Other Tools & Resources
New Patients
New Patient Hub
Helpful information for new patients.
Patient Information
Frequent Questions
Get answers to service, payment questions, and more here.
Payment Options
Insurance & Payment Options
Support Made Accessible
Dr. Markey accepts Tricare® insurance, and you can find full details on coverage and payment options on the Insurance & Payment Options page.
Dr. Markey is here for you.
Forensic Insights
Forensic Psychology Blog
By Dr. John Markey