Mary Advocacy Center

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

Legal business name

MARY ADVOCACY CENTER

Practice address

5000 N Park Dr
East Saint Louis, IL 62204-2037

Phone

(618) 979-0160

NPI assigned

Jan 9, 2026

Last updated

Jan 9, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Mary HamielNPI 1124685581

Title

Owner

Phone

(618) 979-0160

Specialties & licenses 1

Addresses

Subparts reporting this organization as parent 1

Organizations that report themselves as subparts in NPPES and name this organization, in the same state, as their parent.

• Mary Advocacy Center

  • Mental Health Counselor
  • East Saint Louis, IL
  • NPI 1336087261
  NPPES parent name

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Mary Hamiel, MSW

  • Clinical Social Worker
  • Saint Louis, MO
  • NPI 1124685581
  NPD Authorized official

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

{
    "created_epoch": "1767916800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1767916800000",
    "number": "1164389144",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5000 N PARK DR",
            "city": "EAST SAINT LOUIS",
            "state": "IL",
            "postal_code": "622042037",
            "telephone_number": "618-979-0160"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5000 N PARK DR",
            "city": "EAST SAINT LOUIS",
            "state": "IL",
            "postal_code": "622042037",
            "telephone_number": "618-979-0160"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MARY ADVOCACY CENTER",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-01-09",
        "last_updated": "2026-01-09",
        "certification_date": "2026-01-09",
        "status": "A",
        "authorized_official_last_name": "HAMIEL",
        "authorized_official_first_name": "MARY",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "618-979-0160"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Albert Long
• Christopher Jacob Loynd, D.O.
• Lutheran Social Services of Illinois
• John M Magner, MD
• Jordan Kenneth Marshall, MD
• Mary Advocacy Center
• Valeria Matuszewski, RD
• Kelli J May, FNP-C
• Maydai Trauma Focused Clinical Network and Research Center LLC
• Chontay L McKay, FNP-C

• Clinical Social Worker in East Saint Louis, IL
• Providers in East Saint Louis, IL by specialty
• Clinical Social Worker in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 9, 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.