J. Preston Harley, PHD
J. Preston Harley is a Clinical Neuropsychologist based in Naperville, IL with over 55 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Patients across IL can see J. Preston Harley, PHD in person in Naperville or via virtual visit — no travel required. He has been practicing since 2006 — over 55 years. He regularly sees Medicare patients with hypertension and arthritis (per CMS claims data).
Older · 254dNPPES updated 2025-09-11 · verify NPI on CMS · Verify license at Illinois Department of Financial & Professional Regulation — Medical
Contact & Location
Practice Location
3155 Book Rd Suite 103, Naperville, IL 60564-9545
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
55 years in practice
Senior practitioner
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.
Taxonomy: 103G00000X
Mailing address
Po Box 492, Wheaton, IL 60189-0492
Differs from practice location
Virtual Clinical Neuropsychologist Care With J. Preston Harley
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with J. Preston Harley for blood pressure monitoring, arthritis follow-ups — no travel to Naperville required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about J. Preston Harley
NPI records show Dr. Harley as active with telehealth listed in Naperville, IL. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (630) 293-4321.
Sourced from CMS NPPES · OIG LEIE · CMS Physician Comparator. See Data Methodology.
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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact J. Preston Harley
Practice Location
3155 Book Rd Suite 103, Naperville, IL 60564-9545
Mailing Address
Po Box 492, Wheaton, IL 60189-0492
This is a provider directory. Contact the office directly to schedule appointments.
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