Search › Illinois › 103G00000X
J. Preston Harley, PHD
NPI 1578598462 · on the registry since 2006 · sole proprietor
Practice
- Address
- 3155 Book Rd
Suite 103
Naperville, IL 60564 - Phone
- (630) 293-4321
- Fax
- (630) 293-4297
- Organisation at this address
- Mjddds, Pllc
Paul V. Caputo Sr., D.D.S., P.C.Inferred from a shared address, not stated in the registry. - Clinicians at this address
- 3
Registry record
- Primary taxonomy
- 103G00000X
103G00000X
- Also registered as
- 103TC0700X
103TR0400X - Licence states on file
- IL
From the registry's licence fields, which are often incomplete.
- Sex
- Male
- Record last updated
- 2025-09-11
Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Illinois