John Grzebieniak, PH.D.
John Grzebieniak, PH.D. holds NPI 1437150968, with a primary taxonomy of addiction (substance use disorder) psychologist and a practice location in New Castle, PA. The number was issued on August 9, 2005 and the NPPES record was last updated on July 13, 2026. The record lists 3 taxonomy codes.
Taxonomies and licenses
| Taxonomy | Code | License |
|---|---|---|
| Addiction (Substance Use Disorder) Psychologist Primary | 103TA0400X | 84049 (OH) |
| Counseling Psychologist | 103TC1900X | 3293 (PA) |
| Counseling Psychologist | 103TC1900X | 3448 (OH) |
Practice location
Local context
Active NPPES records list 4 providers with addiction (substance use disorder) psychologist as the primary taxonomy within 25 miles of this practice location's ZIP code, 1 of them within 10 miles.
The same primary taxonomy is listed by 28 in Pennsylvania and 741 nationwide.
These are counts from NPPES records, not a ranking or recommendation. Distances are measured between ZIP code centers, not street addresses.
Record history
- Name on record
- Dr. John Francis Grzebieniak
- Status
- Active
- NPI issued
- Last updated in NPPES
Is this your record? Updates are made through NPPES, the official National Plan and Provider Enumeration System.
NPPES data as of · Source: CMS NPPES
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