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ABA Therapy Centers in Illinois

Compare ABA providers across Illinois, from Chicago and the suburbs of Cook, DuPage, Kane and Will counties to Rockford, Peoria and the Metro East, and learn who approves the hours.

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ABA therapy and autism supports in Illinois

Illinois Medicaid covers ABA for children from birth through age 20 with an autism diagnosis, under a benefit called Adaptive Behavior Support (ABS). A physician order is required, and prior approval comes from HFS or from your HealthChoice Illinois health plan. Families with private insurance use a separate state law, 215 ILCS 5/356z.14, which covers autism diagnosis and treatment, including ABA, for members under 21. Illinois also licenses behavior analysts, so you can verify any clinician with the state.

Special Needs Care Network lists 53 ABA providers serving 34 cities in Illinois.

Children under 21 with Illinois Medicaid can get ABA through EPSDT when the state finds it medically necessary, but each clinic has to accept your child's specific plan. Our guide to finding ABA therapy that accepts your Medicaid plan covers what to ask before you book an intake.

Medicaid ABA
Covered as Adaptive Behavior Support for children age 0 through 20 with autism, with prior approval and a physician order.
Autism insurance law
215 ILCS 5/356z.14 covers autism diagnosis and treatment for members under 21, with a $36,000 annual cap adjusted for inflation.
Support Waiver
Serves ages 3 through 21 with developmental disabilities living at home; start with an Independent Service Coordination agency.
Early Intervention
Birth to age 3 through 25 Child and Family Connections offices; call 1-800-843-6154.
Behavior analyst license
IDFPR has licensed behavior analysts and assistant behavior analysts since January 15, 2025.

Medicaid Adaptive Behavior Support (ABS)

Since October 1, 2021, HFS covers Adaptive Behavior Support for children age 0 through 20 with autism, and ABA is one of the covered interventions. The first prior approval request needs a physician order and referral, and the diagnosis comes from a diagnostic evaluation by a physician or clinical psychologist. Children in fee-for-service Medicaid go through HFS. Children in HealthChoice Illinois go through their health plan, which sets its own prior approval steps.

  • Fee-for-service prior approval requests go to HFS.ABS@Illinois.gov.
  • Managed care questions go to your HealthChoice Illinois plan, not to HFS.

The 215 ILCS 5/356z.14 autism coverage law

Section 356z.14 of the Illinois Insurance Code requires group and individual accident and health policies and managed care plans to cover autism diagnosis and treatment for members under 21. Treatment includes applied behavior analysis. The law sets a $36,000 annual maximum benefit with no limit on the number of visits, and the Director of Insurance adjusts the maximum each year for inflation. Self-funded employer plans fall under federal ERISA, so ask HR whether your plan is fully insured in Illinois, and ask the plan for this year's cap.

Support Waiver and PUNS

The Support Waiver for Children and Young Adults with Developmental Disabilities serves ages 3 through 21 who live at home and are at risk of institutional placement. It lists Behavior Intervention and Treatment among its services. The point of entry is an Independent Service Coordination (ISC) agency, reached through the Developmental Disabilities Helpline at 1-888-DD-PLANS. IDHS selects people from the PUNS list as appropriations allow, so register early.

Early Intervention through Child and Family Connections

Illinois Early Intervention is the IDEA Part C program for children up to age 3 with a disability or developmental delay. The Illinois Department of Early Childhood now runs it. Anyone can refer a child, and you can go straight to one of 25 regional Child and Family Connections offices to schedule a free evaluation. Call 1-800-843-6154 to find the office for your county.

Behavior analyst licensing in Illinois

The Illinois Department of Financial and Professional Regulation licenses behavior analysts and assistant behavior analysts under the Behavior Analyst Licensing Act, 225 ILCS 6. IDFPR began issuing licenses on January 15, 2025. Under Section 150, a business may not provide behavior analysis services unless every person who delivers ABA holds a valid license. Ask any provider for the clinician's license number and check it with IDFPR.

Where Illinois families find ABA

Illinois ABA supply concentrates in Chicago and the collar-county suburbs of Cook, DuPage, Kane, Lake, McHenry and Will counties, with smaller markets in the Metro East near St. Louis, Rockford and Peoria. Search by where your child lives, since Early Intervention and Support Waiver intake both run through regional offices. Families outside the Chicago area should also ask about telehealth parent training and travel distance.

Where to start in Illinois

  1. Ask your child's physician for a written ABA or Adaptive Behavior Support order, and keep the diagnostic evaluation report.
  2. Call your HealthChoice Illinois plan or private insurer and ask for in-network ABA providers and the prior approval steps.
  3. For a child under 3, call 1-800-843-6154 to reach your Child and Family Connections office.
  4. Call 1-888-DD-PLANS to find your Independent Service Coordination agency and register for PUNS.

Illinois ABA therapy questions

How do I get Medicaid to pay for ABA in Illinois?

Ask your child's physician for a written order and referral for Adaptive Behavior Support. Your child also needs an autism diagnosis from a physician or clinical psychologist. Then choose a provider enrolled with Illinois Medicaid. For children in HealthChoice Illinois, the provider requests prior approval from your health plan. For fee-for-service Medicaid, it goes to HFS. The first submission needs the physician order and referral.

What does Illinois ABS cover besides ABA?

Adaptive Behavior Support is the Illinois Medicaid benefit for children with autism, and ABA is one of its clinical treatment options. Since October 1, 2021, HFS has covered other clinically effective interventions under the same benefit. The covered services include Behavioral Assessment and Treatment Planning and Behavioral Analytic Intervention. Ask the provider which services it bills and what your health plan requires for prior approval.

Is there a dollar cap on autism coverage under Illinois law?

Yes. Section 356z.14 sets a maximum benefit of $36,000 per year for autism treatment, with no limit on the number of visits. The Director of Insurance adjusts that maximum yearly for inflation, so the current figure is higher. The law does not apply to self-funded employer plans. Ask your insurer for the written autism benefit and this year's cap before you start.

What is PUNS and should I register my autistic child?

PUNS is the Illinois statewide database of people with developmental disabilities who may need state-funded services. IDHS selects people from the list as appropriations allow, and people in crisis can be submitted for funding sooner. Registration starts with a meeting with an Independent Service Coordination agency. Call the Developmental Disabilities Helpline at 1-888-DD-PLANS to find the agency for your area.

Who runs Early Intervention in Illinois now?

The Illinois Department of Early Childhood runs Early Intervention, which serves children up to age 3. You can go directly to one of 25 Child and Family Connections offices to schedule a free evaluation, or ask your pediatrician for a referral. Call 1-800-843-6154 to find the office that serves your county. Eligibility includes a 30 percent delay in at least one developmental domain.

Planning resources

Primary sources

Last reviewed against the linked primary sources on October 18, 2026. Medicaid, CHIP, commercial insurance, self-funded employer plans, military coverage, waiver programs, and school services follow different rules. This page is general information, not legal, medical, or benefits advice.

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