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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 30 days.

AFTERMATH BEHAVIORAL HEALTH IL LLC
NPI 1235051202
Clinic/Center - Adult Mental Health in O Fallon, IL

Active since July 29, 2026
1668 WINDHAM WAY, O FALLON, IL 62269(617) 435-9783 Get Directions Write a Review

NPPES record added: July 29, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Aftermath Behavioral Health Il Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

AFTERMATH BEHAVIORAL HEALTH IL LLC (NPI 1235051202) is a healthcare organization registered as an adult mental health in O Fallon, Illinois and active in the NPI registry since July 2026. The organization lists Matthew Ganem, Ceo, as its authorized official.

NPPES Registry Identity

NPI1235051202
Entity TypeOrganization
Primary Taxonomy261QM0850X
Legal Business NameAFTERMATH BEHAVIORAL HEALTH IL LLC
Location Address1668 WINDHAM WAYO Fallon, IL 62269-3067
Mailing Address1668 Windham WayO Fallon, IL 62269-3067
Phone(617) 435-9783
Organization SubpartNo
Authorized OfficialMatthew GanemCeo · (617) 435-9783
Enumeration DateJuly 29, 2026
NPPES CertifiedJuly 29, 2026
✔ NPI 1235051202 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinic/Center · Adult Mental HealthAmbulatory Health Care Facilities
Taxonomy Code261QM0850X
Definition
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to mental and behavioral disorders in adults.
Also ListedClinic/Center · Rehabilitation, Substance Use DisorderTaxonomy 261QR0405X
1668 WINDHAM WAY, O Fallon, IL 62269
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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Aftermath Behavioral Health Il LLC's NPI number?

The NPI number for Aftermath Behavioral Health Il LLC is 1235051202. It was assigned to this organization in the NPPES registry on July 29, 2026.

Where is Aftermath Behavioral Health Il LLC located?

Aftermath Behavioral Health Il LLC is located at 1668 Windham Way, O Fallon, IL 62269. The listed phone number is (617) 435-9783.

What is Aftermath Behavioral Health Il LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Adult Mental Health, with taxonomy code 261QM0850X.

When was this NPI record last updated?

The NPPES record for Aftermath Behavioral Health Il LLC was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.