Individual provider · Type 1 NPI

John Francis Grzebieniak, PhD

Addiction (Substance Use Disorder) Psychologist · New Castle, PA

NPI number 1437150968 Active

Practice location

128 Leeper Dr
New Castle, PA 16102-2716

Specialties and licenses

TaxonomyCodeLicense
Addiction (Substance Use Disorder) Psychologist Primary 103TA0400X84049 (OH)
Counseling Psychologist 103TC1900X3293 (PA)
Counseling Psychologist 103TC1900X3448 (OH)

Addiction (Substance Use Disorder) Psychologist: A psychologist with a proficiency that involves the application of psychological treatment of addiction stemming from the use of alcohol and other psychoactive substances (e.g., nicotine, marijuana, cocaine, heroin) or behavioral addictions (e.g., gambling) with the aim of cessation or reduction of use and/or the amelioration of emotional, behavioral, interpersonal and other problems arising from the addictive behav…

About NPI 1437150968

John Francis Grzebieniak, PhD's National Provider Identifier is 1437150968, issued on Aug 9, 2005. The primary taxonomy on file is Addiction (Substance Use Disorder) Psychologist (103TA0400X), and the practice location is in New Castle, PA. The record was last updated on Jul 13, 2026.