Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
DR. JOHN FRANCIS GRZEBIENIAK, PH.D.
ActiveDR. JOHN FRANCIS GRZEBIENIAK, PH.D. is a Addiction (Substance Use Disorder) Psychologist healthcare provider located in NEW CASTLE, Pennsylvania. NPI 1437150968 is currently active in the NPPES registry. Verify at CMS.
Addiction (Substance Use Disorder) Psychologist · NEW CASTLE, PA
Registration Details
- NPI Number
- 1437150968
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Aug 9, 2005 (21.047986630841 yrs)
- Last Updated
- Sep 11, 2025
- Licenses
-
84049 (OH)3293 (PA)3448 (OH)
Practice Information
- Address
-
128 LEEPER DRNEW CASTLE, PA, 161022716Browse PA providers · Browse ZIP 16102
- Phone
- 7246679528
- Primary Specialty
-
Addiction (Substance Use Disorder) Psychologist
103TA0400X
- Additional Specialty
- Counseling Psychologist
- Additional Specialty
- Counseling Psychologist
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.