DR. JOHN FRANCIS GRZEBIENIAK (PH.D.) – Addiction (Substance Use Disorder) Psychologist, NPI 1437150968

DR. JOHN FRANCIS GRZEBIENIAK (PH.D.) is a healthcare provider. based in New castle, Pennsylvania. specializing in CLINICAL PSYCHOLOGIST. They hold the professional credentials PH.D.. They hold a License No. 84049 (OH). The NPI Number for DR. JOHN FRANCIS GRZEBIENIAK (PH.D.) is 1437150968

Main info

Male
44 Years Of Experience
Accepts Medicare Assignment
Name
DR. JOHN FRANCIS GRZEBIENIAK (PH.D.)
NPI
1437150968
Phone
(724) 667-9528
Address
128 LEEPER DR
Enumeration Date
9 August 2005
Last Update Date
11 September 2025

Doctor Profile

Medical School Name
UNIVERSITY OF PITTSBURGH SCHOOL OF MEDICINE
Secondary Phone
3304249573
Graduation Year
1982 (44 years ago)
PAC ID
1658516497
Group Practice PAC ID
4385622265
Professional Enrollment ID
I20130326000467
Address ID
OH444328500LI40722154X400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience72
Completeness85
Years active:20State licenses:3Digital endpointsOther names

1,668 CLINICAL PSYCHOLOGIST in PA

Provider Addresses for DR. JOHN FRANCIS GRZEBIENIAK (PH.D.)

  • 128 LEEPER DR

    NEW CASTLE, PA 161022716

    Phone: (724) 667-9528

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2013-03-26

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20130326000467IClinical PsychologistOHTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 16102)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4385622265View full group profile
NameSpecialtyState
Certified Clinical Nurse Specialist (Cns)OH
Mental Health CounselorOH
Clinical Social WorkerOH
Nurse PractitionerOH
Clinical Social WorkerOH
Mental Health CounselorOH
Nurse PractitionerOH
-OH
Nurse PractitionerOH
Mental Health CounselorOH

Reviews

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Frequently asked questions

Can I use this page to confirm DR. JOHN FRANCIS GRZEBIENIAK (PH.D.)'s NPI?
Yes. DR. JOHN FRANCIS GRZEBIENIAK (PH.D.) is listed with NPI 1437150968 in the public NPI dataset.
Can I rely on DR. JOHN FRANCIS GRZEBIENIAK (PH.D.) being an active provider?
As of the registry snapshot, DR. JOHN FRANCIS GRZEBIENIAK (PH.D.) is marked active.
What is DR. JOHN FRANCIS GRZEBIENIAK (PH.D.)'s specialty?
The listing groups DR. JOHN FRANCIS GRZEBIENIAK (PH.D.) with Addiction (Substance Use Disorder) Psychologist. Clinical services aligned with this taxonomy classification.
What area does DR. JOHN FRANCIS GRZEBIENIAK (PH.D.) serve?
DR. JOHN FRANCIS GRZEBIENIAK (PH.D.)'s listing highlights New Castle, Pennsylvania; more addresses can appear in NPPES.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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