Individual provider Active NPI

Greg Dziedzic, CRC, LPC

  • Mental Health Counselor
  • Schiller Park, IL
National Provider Identifier
1720784440
Registry record updated Aug 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
License
180.016856 Issued in IL
Practice address
4825 Scott St Ste 208
Schiller Park, IL 60176-1210
Phone
(773) 470-9999
NPI assigned
Feb 3, 2023
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 28, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X 180.016856 IL Primary
Addiction (Substance Use Disorder) Counselor 101YA0400X

Addresses

Primary practice location

4825 Scott St Ste 208
Schiller Park, IL 60176-1210

Mailing address

4825 Scott St Ste 208
Schiller Park, IL 60176-1210
Phone (773) 470-9999

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
178.018635ILMDMental Health Counselor

Practice roles

OrganizationSpecialtyStatusNew patients
Gray Owl Psychotherapy LLC Mental Health CurrentSince Sep 21, 2025 Accepting new patients
Association for Multicultural Behavioral Health, LLC Addiction (Substance Use Disorder) PastSince Feb 8, 2023 Accepting new patients

Locations

6650 N Northwest Hwy
Ste 209
Chicago, IL 60631
Phone (773) 470-9999

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1675382400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787875200000",
    "number": "1720784440",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4825 SCOTT ST STE 208",
            "city": "SCHILLER PARK",
            "state": "IL",
            "postal_code": "601761210",
            "telephone_number": "773-470-9999"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4825 SCOTT ST STE 208",
            "city": "SCHILLER PARK",
            "state": "IL",
            "postal_code": "601761210",
            "telephone_number": "773-470-9999"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DZIEDZIC",
        "first_name": "GREG",
        "credential": "CRC, LPC",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2023-02-03",
        "last_updated": "2026-08-28",
        "certification_date": "2026-08-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "IL",
            "license": "180.016856",
            "primary": true
        },
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Schiller Park, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 28, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.