Individual provider Active NPI

Joe Alter, LCSW

  • Clinical Social Worker
  • Chicago, IL
National Provider Identifier
1053259010
Registry record updated Mar 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
149026580 Issued in IL
Practice address
1800 W Roscoe St Apt 529
Chicago, IL 60657-1089
Phone
(312) 650-9254
NPI assigned
Mar 23, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 25, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X 149026580 IL Primary

Addresses

Primary practice location

1800 W Roscoe St Apt 529
Chicago, IL 60657-1089

Mailing address

1800 W Roscoe St Apt 529
Chicago, IL 60657-1089

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
149026580ILMDClinical Social Worker

NPI Registry JSON

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

{
    "created_epoch": "1774224000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774396800000",
    "number": "1053259010",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1800 W ROSCOE ST APT 529",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606571089"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1800 W ROSCOE ST APT 529",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606571089",
            "telephone_number": "312-650-9254"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALTER",
        "first_name": "JOE",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-03-23",
        "last_updated": "2026-03-25",
        "certification_date": "2026-03-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "IL",
            "license": "149026580",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 25, 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.