# J. PRESTON HARLEY

J. PRESTON HARLEY is an ADHD evaluation provider with an address in NAPERVILLE, IL, United States.

## Details

- Address: 3155 BOOK RD SUITE 103, NAPERVILLE, IL, 605649545
- Phone: [630-293-4321](<tel:6302934321>)
- National Provider Identifier (NPI): 1578598462
- Credentials: PHD
- Provider type: Clinical neuropsychologist
- Source of the listing data: CMS NPI Registry, retrieved 2026-10-03, public, free

## Questions

### Where is J. PRESTON HARLEY?

J. PRESTON HARLEY is at 3155 BOOK RD SUITE 103, NAPERVILLE, IL, 605649545.

### How do I contact J. PRESTON HARLEY?

To contact J. PRESTON HARLEY, call 630-293-4321.

### Is J. PRESTON HARLEY accepting new patients?

That is not in the registry data. Call the phone number on the listing and ask about availability, wait times and insurance.

## Source

From [CMS NPI Registry (National Plan and Provider Enumeration System)](https://npiregistry.cms.hhs.gov/api/?version=2.1&number=1578598462), license US government public data. CMS publishes NPPES provider data for open access under its data dissemination notice., checked 2026-10-06.

Last updated October 6, 2026.

## Links

- This ADHD evaluation provider on the [web page](<https://adhdevaluations.fyi/il/naperville/j-preston-harley>)
- [ADHD evaluations in NAPERVILLE](<https://adhdevaluations.fyi/il/naperville/category/adhd-evaluations.md>)
- [Clinical neuropsychologists in NAPERVILLE](<https://adhdevaluations.fyi/il/naperville/category/clinical-neuropsychologists.md>)
- [More ADHD evaluation providers in NAPERVILLE](<https://adhdevaluations.fyi/il/naperville.md>)