Individual provider Active NPI

Madisyn Webster

  • Clinical Social Worker
  • O Fallon, IL
National Provider Identifier
1134062953
Registry record updated Aug 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
149041467 Issued in IL
Practice address
200 N Lincoln Ave
O Fallon, IL 62269-1415
Phone
(618) 624-5771
NPI assigned
Apr 14, 2026
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 26, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Social Worker 104100000X 150114259 IL
Clinical Social Worker 1041C0700X 149041467 IL Primary

Addresses

Primary practice location

200 N Lincoln Ave
O Fallon, IL 62269-1415

Mailing address

1119 Mississippi Ave Apt 220
Saint Louis, MO 63104-2452

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
150114259ILMDSocial Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Karla Smith Foundation Past Accepting new patients

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": "1776124800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787702400000",
    "number": "1134062953",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1119 MISSISSIPPI AVE APT 220",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631042452"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 N LINCOLN AVE",
            "city": "O FALLON",
            "state": "IL",
            "postal_code": "622691415",
            "telephone_number": "618-624-5771"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WEBSTER",
        "first_name": "MADISYN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-04-14",
        "last_updated": "2026-08-26",
        "certification_date": "2026-08-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "IL",
            "license": "150114259",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "IL",
            "license": "149041467",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in O Fallon, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 26, 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.