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  • Medicaid Provider Alert: Provider revalidation has begun and those not completing the process risk disenrollment.  Check your account now to learn when your revalidation is due. More information here.

Our new Child Support Cook Central Office at 115 South LaSalle Street, Chicago, is now open for in-person assistance.  We also have other regional office locations to better serve you! 

Elizabeth M. Whitehorn, Director

Annual & Aggregate Billing Reports

For more information on specific initiatives of the Office of the Inspector General, below is a listing the OIG's Annual and Aggregate Billing Reports.