Individual provider Active NPI

Katelyn Elizabeth Steiner, MSW, LMSW

  • Social Worker
  • Saint Louis, MO
National Provider Identifier
1326903287
Registry record updated Dec 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Social WorkerTaxonomy code 104100000X
License
2025053488 Issued in MO
Practice address
4121 Union Rd Ste 225
Saint Louis, MO 63129-1093
Phone
(314) 730-6787
NPI assigned
Dec 22, 2025
Last updated
Dec 22, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 22, 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 2025053488 MO Primary

Addresses

Primary practice location

4121 Union Rd Ste 225
Saint Louis, MO 63129-1093

Mailing address

550 S Clay Ave Apt 1a
Kirkwood, MO 63122-5964

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
2025053488MOMDSocial Worker

NPI Registry JSON

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

{
    "created_epoch": "1766361600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766361600000",
    "number": "1326903287",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "550 S CLAY AVE APT 1A",
            "city": "KIRKWOOD",
            "state": "MO",
            "postal_code": "631225964"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4121 UNION RD STE 225",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631291093",
            "telephone_number": "314-730-6787"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STEINER",
        "first_name": "KATELYN",
        "middle_name": "ELIZABETH",
        "credential": "MSW, LMSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-12-22",
        "last_updated": "2025-12-22",
        "certification_date": "2025-12-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "MO",
            "license": "2025053488",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 22, 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.