Ann C Thorwall, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

149.020861 Issued in IL

Practice address

841 Tamarac Dr
Carol Stream, IL 60188-4427

Phone

(630) 779-1658

NPI assigned

Feb 28, 2019

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1551312000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787616000000",
    "number": "1245797927",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "841 TAMARAC DR",
            "city": "CAROL STREAM",
            "state": "IL",
            "postal_code": "601884427",
            "telephone_number": "630-779-1658"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "841 TAMARAC DR",
            "city": "CAROL STREAM",
            "state": "IL",
            "postal_code": "601884427",
            "telephone_number": "630-779-1658"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "318 W Adams St Ste 1533",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606065138",
            "country_code": "US",
            "telephone_number": "888-500-2067",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "THORWALL",
        "first_name": "ANN",
        "middle_name": "C",
        "credential": "LCSW",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2019-02-28",
        "last_updated": "2026-08-25",
        "certification_date": "2026-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "IL",
            "license": "149.020861",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Clinical Social Worker in Carol Stream, IL
• Providers in Carol Stream, IL by specialty
• Clinical Social Worker in Illinois

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