DR. JOHN FRANCIS GRZEBIENIAK PH.D.
NPI 1437150968
Psychologist - Addiction (Substance Use Disorder) in New Castle, PA
About Dr. John Francis Grzebieniak Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN FRANCIS GRZEBIENIAK PH.D. (NPI 1437150968) is an individual addiction (substance use disorder) provider in New Castle, Pennsylvania, licensed in Ohio (84049) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Pittsburgh School Of Medicine (1982).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John Francis Grzebieniak Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show John Grzebieniak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lisbon, OH 44432
- Reassigned Medicare billing, Ohio enrollment
- 32 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Grzebieniak's NPI number?
The NPI number for John Grzebieniak is 1437150968. It was assigned to this individual provider in the NPPES registry on August 9, 2005.
Where is John Grzebieniak located?
John Grzebieniak practices at 128 Leeper Dr, New Castle, PA 16102. The listed phone number is (724) 667-9528.
What is John Grzebieniak's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Addiction (Substance Use Disorder), with taxonomy code 103TA0400X.
Is John Grzebieniak enrolled in Medicare?
Yes. John Grzebieniak is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for John Grzebieniak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Grzebieniak reassigns Medicare benefits to Columbiana County Mental Health Clinic (Lisbon, OH). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Grzebieniak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Grzebieniak accept?
Health plans from Anthem Blue Cross and Blue Shield, MedMutual and Molina Healthcare list John Grzebieniak as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for John Grzebieniak was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. John Francis Grzebieniak, PH.D. · NPI 1437150968
Addiction (Substance Use Disorder) provider in New Castle, Pennsylvania. Individual provider, active in the CMS NPPES registry since August 9, 2005.
## Identity
- **NPI:** 1437150968 (Entity type: Individual)
- **Enumerated:** August 9, 2005
- **Primary specialty:** Psychologist - Addiction (Substance Use Disorder) · taxonomy 103TA0400X
- **State license:** 84049 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 128 LEEPER DR, New Castle, PA 16102-2716
- **Phone:** (724) 667-9528
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Columbiana County Mental Health Clinic (NPI 1508827932, Lisbon, OH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Pittsburgh School Of Medicine, class of 1982
## Record status
- **NPPES last updated:** July 13, 2026
- **Other identifiers:** Medicaid 0570547 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1437150968) · Data from the CMS NPPES public registry.