IndividualActive
John Grzebieniak, PH.D.
NPI 1437150968 · Addiction (Substance Use Disorder) Psychologist · New Castle, PA
Provider details
- NPI number
- 1437150968
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- License
- 84049 (OH)
Mailing address
128 Leeper Dr
New Castle, PA 16102-2716
Registry dates
- Enumerated
- 2005-08-09
- Last updated
- 2025-09-11
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.