Individual provider Active NPI

Marissa Ann Steiner, LLMSW

  • Social Worker
  • Southgate, MI
National Provider Identifier
1295629186
Registry record updated Jun 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Social WorkerTaxonomy code 104100000X
License
6851119965 Issued in MI
Practice address
13330 Fort St
Southgate, MI 48195-1137
Phone
(734) 361-1416
NPI assigned
Jun 5, 2025
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 5, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Social Worker 104100000X 6851119965 MI Primary

Addresses

Primary practice location

13330 Fort St
Southgate, MI 48195-1137

Mailing address

646 Hazelwood St Apt 108
Detroit, MI 48202-1736
Phone (616) 329-2789

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
6851119965MIMDSocial Worker

Practice roles

OrganizationSpecialtyStatusNew patients
The Therapy Collective of Michigan CurrentSince Jun 8, 2025 Accepting new patients

Locations

13330 Fort St
Southgate, MI 48195
Phone (734) 309-6908

Organizations & group practices 1

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": "1749081600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749081600000",
    "number": "1295629186",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "646 HAZELWOOD ST APT 108",
            "city": "DETROIT",
            "state": "MI",
            "postal_code": "482021736",
            "telephone_number": "616-329-2789"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "13330 FORT ST",
            "city": "SOUTHGATE",
            "state": "MI",
            "postal_code": "481951137",
            "telephone_number": "734-361-1416"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STEINER",
        "first_name": "MARISSA",
        "middle_name": "ANN",
        "credential": "LLMSW",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-06-05",
        "last_updated": "2025-06-05",
        "certification_date": "2025-06-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "MI",
            "license": "6851119965",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Southgate, MI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 5, 2025; 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.