John Francis Grzebieniak, PH.D.

Primary specialty

Addiction (Substance Use Disorder) PsychologistTaxonomy code 103TA0400X

License

84049 Issued in OH

Practice address

128 Leeper Dr
New Castle, PA 16102-2716

Phone

(724) 667-9528

NPI assigned

Aug 9, 2005

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in OH

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Psychologist

Education

University of Pittsburgh School of Medicine, 1982

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Columbiana County Mental Health ClinicGroup PAC ID 4385622265, 20 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Columbiana County Mental Health Clinic

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Lisbon, OH
  • NPI 1508827932
  Medicare reassignment Care Compare group NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1123545600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1437150968",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "128 LEEPER DR",
            "city": "NEW CASTLE",
            "state": "PA",
            "postal_code": "161022716",
            "telephone_number": "724-667-9528"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "128 LEEPER DR",
            "city": "NEW CASTLE",
            "state": "PA",
            "postal_code": "161022716",
            "telephone_number": "724-667-9528"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRZEBIENIAK",
        "first_name": "JOHN",
        "middle_name": "FRANCIS",
        "name_prefix": "Dr.",
        "credential": "PH.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-09",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TA0400X",
            "taxonomy_group": "",
            "desc": "Psychologist, Addiction (Substance Use Disorder)",
            "state": "OH",
            "license": "84049",
            "primary": true
        },
        {
            "code": "103TC1900X",
            "taxonomy_group": "",
            "desc": "Psychologist, Counseling",
            "state": "PA",
            "license": "3293",
            "primary": false
        },
        {
            "code": "103TC1900X",
            "taxonomy_group": "",
            "desc": "Psychologist, Counseling",
            "state": "OH",
            "license": "3448",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0570547",
            "state": "OH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• James Gordon Gregory, M.D.
• Andrew James Grimm, LSW
• Andrei Gritsiuta, MD
• Hayleigh Elizabeth Groenendaal, CRNP
• Paula Diane Gruber, M.S.
• Guiding Changes Counseling LLC
• Diane Burick Gwin, R.N.
• Robert Gwin, RPH
• Jeffrey Joseph Hageman, D.O
• Saadia Haider, DMD

• Addiction (Substance Use Disorder) Psychologist in New Castle, PA
• Providers in New Castle, PA by specialty
• Addiction (Substance Use Disorder) Psychologist in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.