Individual provider Active NPI

David Allen Johnson, MSW, LCSW, LCAC,MAC

  • Clinical Social Worker
  • Matteson, IL
National Provider Identifier
1811223407
Registry record updated Aug 14, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
149.028252 Issued in IL
Practice address
4801 Southwick Dr Ste 300
Matteson, IL 60443-2279
Phone
(708) 747-2655
Fax
(708) 747-2655
NPI assigned
Nov 2, 2009
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 14, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction (Substance Use Disorder) Counselor 101YA0400X 87000461A IN
Social Worker 104100000X 33007055A IN
Clinical Social WorkerGroup: 193200000X MULTI-SPECIALTY GROUP 1041C0700X 149.028252 IL Primary

Addresses

Primary practice location

4801 Southwick Dr Ste 300
Matteson, IL 60443-2279

Mailing address

3176 Lancer St
Portage, IN 46368-4408
Phone (219) 763-8847

Other practice location 1

3176 Lancer St
Portage, IN 46368-4408
Phone (219) 763-8847

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
87000461AINMDAddiction (Substance Use Disorder) Counselor
33007055AINMDSocial Worker
149.028252ILMDClinical Social Worker

NPI Registry JSON

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

{
    "created_epoch": "1257120000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755129600000",
    "number": "1811223407",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3176 LANCER ST",
            "city": "PORTAGE",
            "state": "IN",
            "postal_code": "463684408",
            "telephone_number": "219-763-8847",
            "fax_number": "219-762-7318"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4801 SOUTHWICK DR STE 300",
            "city": "MATTESON",
            "state": "IL",
            "postal_code": "604432279",
            "telephone_number": "708-747-2655",
            "fax_number": "708-747-2655"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3176 Lancer St",
            "address_purpose": "LOCATION",
            "city": "Portage",
            "state": "IN",
            "postal_code": "463684408",
            "country_code": "US",
            "telephone_number": "219-763-8847",
            "fax_number": "219-762-7318",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "JOHNSON",
        "first_name": "DAVID",
        "middle_name": "ALLEN",
        "name_prefix": "Mr.",
        "credential": "MSW, LCSW, LCAC,MAC",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2009-11-02",
        "last_updated": "2025-08-14",
        "certification_date": "2025-08-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "IN",
            "license": "87000461A",
            "primary": false
        },
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "IN",
            "license": "33007055A",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Social Worker, Clinical",
            "state": "IL",
            "license": "149.028252",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Matteson, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 14, 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.