Provider Profile
J. Preston Harley, PhD
Unclaimed ProfileAbout Dr. Harley
Listed in the NPI registry as a clinical psychologist, J. Preston Harley, PhD practices in Naperville, IL. J. Preston is also listed as specializing in psychologist — clinical and psychologist. NPI 1578598462 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (630) 293-4321
- Email not available
Practice Locations
3155 BOOK RD SUITE 103
Naperville, IL 60564
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other clinical psychologists in Naperville 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1971 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Harley specialize in?
Dr. Harley is a clinical psychologist in Naperville, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Harley located?
Dr. Harley is listed at 3155 Book Rd Suite 103, Naperville, IL 60564. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Harley's phone number?
The number on file is (630) 293-4321. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Harley's NPI number?
Dr. Harley's National Provider Identifier is 1578598462. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Harley go to medical school?
Dr. Harley attended Other, graduating in 1971. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Harley been practicing?
Dr. Harley has 55 years experience. Calculated from a graduation year of 1971, reported in the CMS National Downloadable File.
CMS public data
Has Dr. Harley confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Harley. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.