ABA Therapy in Illinois
Find ABA therapy providers across 29 cities in Illinois. Compare waitlist times, insurance plans, and neurodiversity-affirming practices.
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Does Medicaid cover ABA therapy in Illinois?
Illinois Medicaid covers ABA therapy for eligible children under 21. Learn about managed care plans, prior authorization, and how to access services.
Illinois Medicaid ABA coverage guide →ABA Therapy in Illinois: What Families Should Know
Applied Behavior Analysis (ABA) therapy is the most evidence-based intervention for autism spectrum disorder (ASD). In Illinois, ABA therapy is covered by Medicaid and required under state insurance mandates for most private health plans. Providers offer clinic-based, home-based, and school-based services, typically 10–40 hours per week depending on a child's age and clinical needs.
Insurance coverage
Illinois requires most private insurance plans to cover ABA therapy for autism. Medicaid covers ABA for children under 21 at no cost to eligible families.
Hours per week
A BCBA determines the appropriate hours based on clinical assessment — typically 10–20 hours for focused programs and 25–40 hours for early intensive intervention.
Getting started
Start with an autism diagnosis, then contact your insurance plan for in-network ABA providers in Illinois. Most providers handle prior authorization.