Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
DR. RYAN JOHN HOLLEY, PSY.D.
Active Sole ProprietorDR. RYAN JOHN HOLLEY, PSY.D. is a Clinical Psychologist healthcare provider located in SCHAUMBURG, Illinois. NPI 1720598485 is currently active in the NPPES registry. Verify at CMS.
Clinical Psychologist · SCHAUMBURG, IL
Registration Details
- NPI Number
- 1720598485
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Oct 9, 2017 (8.8285695958291 yrs)
- Last Updated
- Aug 11, 2025
- License
-
071009627 (IL)
- Sole Proprietor
- Yes
Practice Information
- Address
-
1701 E WOODFIELD RD STE 1050SCHAUMBURG, IL, 601735141Browse IL providers · Browse ZIP 60173
- Phone
- 6302169416
- Primary Specialty
-
Clinical Psychologist
103TC0700X
Other Clinical Psychologist Providers in SCHAUMBURG, IL
| Name | Credential | NPI |
|---|---|---|
| DR. ROBERT BRUCE HENRY | PH.D. | 1891791554 |
| DR. LYNDA MARIE BEHRENDT | PSY.D. | 1831182534 |
| DR. TIMOTHY JOSEPH RE | PSY.D. | 1265425979 |
| DR. SUSAN ELIZABETH BENNETT | PHD | 1477529287 |
| DR. BRUCE N. CHRISTENSEN | PH.D. | 1235106253 |
| DR. MARK A VOGEL | PSYD | 1689635666 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.