County resource guide
Autism Resources in Cass County, Missouri
Local providers, school contacts, and support services for autism families in Cass County. Missouri statewide resources also apply.
Cass County — home to Belton, Raymore, and Harrisonville — is a suburban Kansas City county with access to the metro's provider network. Children's Mercy Kansas City is the primary pediatric referral for evaluations. Missouri's First Steps serves children under 3, and MPACT provides free IEP advocacy statewide.
Provider directory
Local Providers13 providers in Cass County
About our listings
Provider listings on Autism Parent Club are submitted by practices or researched from public sources. All listings are reviewed for accuracy before publication. To suggest a correction, use the “Suggest a correction” link below.
Diagnostic clinics
Formal autism evaluations by developmental pediatricians, psychologists, or neuropsychologists.
Kansas City · multi-county
Children's Mercy — Autism Center
Comprehensive autism evaluations at Children's Mercy Kansas City, one of the region's leading pediatric hospitals. Multi-disciplinary team serving Jackson County and the Kansas City metro. An Autism Treatment Network site.
Autism Treatment Network site. The dominant pediatric program for the Kansas City region.
Harrisonville
Children's Mercy — Cass County Referral Pathway
Cass County families access the Children's Mercy Autism Center via the Kansas City main campus, about 30 minutes north of Harrisonville. Children's Mercy is one of the nation's top pediatric autism programs and an Autism Treatment Network site. Ask your pediatrician for a referral.
Main campus in Kansas City (~30 min north). Referral required.
Butler · multi-county
Research Medical Center — Developmental Referrals (Bates County)
Research Medical Center in Kansas City and Children's Mercy Hospital serve as the primary referral hubs for Bates County families seeking autism evaluations. Butler, the county seat, is approximately 80 miles south of Kansas City, within reach of the metro's comprehensive autism programs.
Kansas City (~80 miles north) offers Children's Mercy, one of the nation's top autism centers.
Columbia · multi-county
Thompson Center for Autism — Johnson County Referrals
The Thompson Center for Autism at the University of Missouri (Columbia) is a primary comprehensive autism evaluation resource for Johnson County families. Accessible from Warrensburg via I-70, Thompson Center provides diagnostic evaluations, behavioral consultation, and family education.
Early Intervention (0–3)
Free services for children under 3 under IDEA Part C.
Harrisonville
Missouri First Steps — Cass County Early Intervention
Free early intervention for Cass County children under 3 with developmental delays or disabilities. County-administered through the Missouri Department of Health and Senior Services under IDEA Part C. Entry point: ask your pediatrician or call the county health department.
Free under IDEA Part C.
Warrensburg · multi-county
Missouri First Steps — Johnson County
Missouri First Steps provides free birth-to-3 early intervention services including autism-related developmental evaluations for Johnson County families in Warrensburg. Coordinated through local EI contacts in this college-town community between Kansas City and Columbia.
ABA therapy
Applied Behavior Analysis therapy — typically requires insurance authorization.
Harrisonville
Centria Autism — Cass County / South KC
In-home ABA therapy serving Cass County including Harrisonville, Belton, and Raymore. BCBA-supervised programs with Missouri Medicaid and most commercial insurance accepted under Missouri's ABA mandate.
Kansas City · multi-county
Centria Autism — Kansas City
In-home and center-based ABA therapy in Jackson County and the Kansas City metro. BCBA-supervised. Accepts most commercial insurance and Missouri Medicaid.
Butler · multi-county
Centria Autism — West-Central Missouri (Bates County)
Centria Autism provides in-home ABA therapy for children with autism in Bates County. The in-home model is essential for rural Butler-area families who cannot commute daily to Kansas City for center-based therapy. Accepts Medicaid.
Mental health
Therapists and psychiatrists experienced with autistic children and adults.
Warrensburg · multi-county
Pathways Behavioral Health — Johnson County
Pathways Behavioral Health provides developmental disability services and mental health supports for Johnson County residents in Warrensburg. The University of Central Missouri's campus in Warrensburg creates some practicum opportunities in behavioral and developmental services.
Parent & family support
Parent groups, sibling programs, and family peer support.
Harrisonville
Autism Society of the Heartland — South KC/Cass County
Support groups and family events for Cass County families through the Autism Society of the Heartland's Kansas City metro chapter. Connects Harrisonville, Belton, and Raymore families to the broader autism community.
Advocacy & legal
Legal advocates, special education advocates, and disability rights organizations.
Harrisonville
MPACT — Missouri Parents Act (Cass County)
Missouri's federally funded Parent Training and Information Center serving Cass County. Free IEP advocacy, training, and one-on-one support. Essential before any IEP meeting or dispute with Harrisonville, Belton, or Raymore school districts.
FREE. Federally funded PTI.
Warrensburg · multi-county
MPACT — Missouri Parents Act (Johnson County)
MPACT provides free IEP advocacy and training by phone and virtually for Johnson County families in Warrensburg. An important resource for families in this college-county between the KC metro and Columbia navigating Missouri special education.
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Helpful guides
Guides for Cass County families
Step-by-step help on the topics that matter most.
School & IEP
Navigating the IEP process
Your rights under IDEA, how evaluations work, and what every IEP section means.
Finding help
ABA, OT, speech and waitlists
How to find qualified providers, navigate insurance, and get off waitlists faster.
Getting started
Where to start after diagnosis
A week-by-week checklist for the first 90 days — from evaluation to early intervention.
Benefits & money
SSI, Medicaid waivers, ABLE accounts
Federal benefits your child may qualify for and how to apply without losing your spot.
Mental health
Co-occurring conditions and support
Managing anxiety, ADHD, and depression alongside an autism diagnosis.
Daily life
Sensory processing and OT
Understanding sensory needs, sensory diets, and how occupational therapy helps.
Adulthood
Employment, housing, legal planning
Supported employment, housing options, guardianship alternatives, and ABLE accounts.
Communities served
Cities in Cass County
Serving families across Cass County including Harrisonville, Belton, Raymore, Pleasant Hill, Peculiar, Archie, Garden City, Cleveland, Drexel and Freeman and more.
See all Missouri resources
Waivers, PTI centers, and state programs apply to all families in Missouri.
Missouri state guide →Nearby counties in Missouri
See something that needs fixing?
Providers move, phone numbers change, and links break — it happens. If anything on this page is out of date, wrong, or no longer working, please tell us and we’ll fix it. Keeping this accurate for autism families is the whole reason we’re here.
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