Aftermath Behavioral Health Il LLC

Primary specialty

Adult Mental Health Clinic/CenterTaxonomy code 261QM0850X

Legal business name

AFTERMATH BEHAVIORAL HEALTH IL LLC

Practice address

1668 Windham Way
O Fallon, IL 62269-3067

Phone

(617) 435-9783

NPI assigned

Jul 29, 2026

Last updated

Jul 29, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Matthew Ganem

Title

Ceo

Phone

(617) 435-9783

Specialties & licenses 2

Addresses

Locations

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

{
    "created_epoch": "1785283200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1785283200000",
    "number": "1235051202",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1668 WINDHAM WAY",
            "city": "O FALLON",
            "state": "IL",
            "postal_code": "622693067"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1668 WINDHAM WAY",
            "city": "O FALLON",
            "state": "IL",
            "postal_code": "622693067",
            "telephone_number": "617-435-9783"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "AFTERMATH BEHAVIORAL HEALTH IL LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-07-29",
        "last_updated": "2026-07-29",
        "certification_date": "2026-07-29",
        "status": "A",
        "authorized_official_last_name": "GANEM",
        "authorized_official_first_name": "MATTHEW",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "617-435-9783"
    },
    "taxonomies": [
        {
            "code": "261QM0850X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Adult Mental Health",
            "state": "NU",
            "license": null,
            "primary": true
        },
        {
            "code": "261QR0405X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Rehabilitation, Substance Use Disorder",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Adult Mental Health Clinic/Center in O'Fallon, IL
• Providers in O'Fallon, IL by specialty
• Adult Mental Health Clinic/Center in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 29, 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.