
Reggio ABA Therapy · Mehlville / South County
Early support matters. Get your child started with a free consultation.
The team at AB Spectrum is caring, supportive, and genuinely invested in our child’s growth. We have seen meaningful progress in communication, confidence, and daily routines.
AB Spectrum Parent, St. Louis, MO
AB Spectrum provides personalized ABA therapy and early intervention care for children ages 18 months to 6 years old throughout St. Louis, Mehlville, Lemay, Affton, Oakville, and South County. AB Spectrum speech therapy and autism diagnostic evaluations are available to families of all five AB Spectrum clinics, including St. Louis. Learn more from the CDC autism resource center. Families also read our guides on ABA therapy techniques, natural environment teaching, and early signs of autism.
Clinic availability is always changing, and getting your child started in therapy right away is key. Luckily, we have multiple clinics across the St. Louis area, so most families are within about a 30-minute drive of an AB Spectrum clinic.



Our St. Louis clinic
AB Spectrum is a locally owned autism clinic in St. Louis offering early intervention ABA therapy, speech therapy, and autism diagnostic services for children ages 18 months to 6 years old at our St. Louis Reggio Autism Clinic.
Our St. Louis autism clinic at 2338 Lemay Ferry Rd (Mehlville / South County) combines evidence-based Applied Behavior Analysis with a child-led Reggio ABA approach. Families choose AB Spectrum for individualized autism therapy that supports communication, social development, behavior, school readiness, independence, and long-term growth. Within about 50 miles of St. Louis, you can also visit our clinics in Chesterfield, Florissant, St. Peters, and Wright City. Learn more about our ABA therapy in St. Louis programs, speech therapy services, and autism evaluations.
AB Spectrum (Autism and Behavioral Spectrum LLC) is a locally owned autism clinic serving the St. Louis area since 2016. We provide child-led Reggio ABA therapy, speech therapy, and autism evaluations for children ages 18 months to 6. This St. Louis / Mehlville clinic is at 2338 Lemay Ferry Rd, St. Louis, MO 63125. Our other clinics are in Chesterfield (14733 Clayton Rd, Chesterfield, MO 63011), Florissant (11753 W Florissant Ave, Florissant, MO 63033), St. Peters (1421 Triad Center Dr, St. Peters, MO 63376), and Wright City (312 Warren Ave, Wright City, MO 63390). Schedule a Meeting or email info@abspectrum.org.
Services
Children receive individualized treatment plans developed and supervised by Board Certified Behavior Analysts BCBAs at our St. Louis ABA therapy clinic.
ABA therapy, speech therapy, and autism diagnostic evaluations are available to families of all five AB Spectrum clinics. Ask our team which learning spaces the St. Louis clinic offers, such as studio, outdoor, reading, sensory, or art areas.
Plan your visit
Locally owned and operated in St. Louis since 2016. Reggio ABA, speech therapy, and autism evaluations for children ages 18 months to 6 years across Greater St. Louis.
Schedule a Meeting for a Welcome Call with our care team.
Tell us about your child, any diagnosis or physician referral, and your insurance so benefits can be verified.
Ask our team about scheduling and next steps for your child at the St. Louis clinic, orcompare all locations.
Address: 2338 Lemay Ferry Rd, St. Louis, MO 63125 (Mehlville / South County)
Clinic hours: Monday through Friday, 7:45 AM to 3:45 PM
Phone: (314) 339-7732
Clinic video
Tour our child-led Reggio ABA approach and the clinic experience families start with a Welcome Call.

Our approach
Child-led Reggio ABA blends evidence-based ABA with the Reggio Emilia philosophy, supervised by Board Certified Behavior Analysts.
Children don’t just participate—they lead. Our model integrates ABA with the Reggio Emilia approach to give children agency through painting, building, storytelling, and other expressive languages.
Reggio ABA merges scientific rigor with creativity. Every goal is rooted in ABA principles and delivered in a way that honors each child’s curiosity, strengths, and developmental rhythm.
We document progress through real-time data collection and make learning visible by tracking behavior, communication, social skills, and academic readiness.
You’re part of the team. Families participate in planning, progress reviews, and home strategies to ensure continuity and empowerment beyond the clinic.
Each child has a personalized learning path that supports behavior goals, builds confidence, and promotes lasting developmental gains causing real transformation.

Why AB Spectrum
Families across the St. Louis area choose AB Spectrum for child-led early intervention that still feels like childhood.
Families throughout St. Louis also choose AB Spectrum because of our collaborative approach, experienced clinical team, and child centered Reggio ABA environment designed specifically for young children with autism. Learn more about our mission on the AB Spectrum About Us page.
A local autism clinic serving St. Louis families since 2016.
Child-led ABA therapy inspired by the Reggio Emilia philosophy.
ABA therapy, speech therapy, and autism evaluations from one team for children ages 18 months to 6.
Five clinics within about 50 miles of St. Louis.
A local autism clinic serving St. Louis families since 2016.
Child-led ABA therapy inspired by the Reggio Emilia philosophy.
ABA therapy, speech therapy, and autism evaluations from one team for children ages 18 months to 6.
Five clinics within about 50 miles of St. Louis.
Communities
Our St. Louis clinic at 2338 Lemay Ferry Rd is an autism clinic in South St. Louis County, in the Mehlville area. We offer ABA therapy, autism testing, speech therapy, and early intervention for children ages 18 months to 6. Families come to us from Mehlville, Lemay, Affton, Oakville, Concord, Sappington, Sunset Hills, Crestwood, Webster Groves, Kirkwood, Arnold, and South St. Louis City. Each of these is about a 20-minute drive or less from the clinic. If you are searching for an autism clinic in St. Louis, you can visit, meet our team, and see the learning spaces before you start. Families can also compare all five AB Spectrum locations.
These cities and communities are within about a 20-minute drive of our St. Louis clinic:
Drive times are estimates without traffic.
Questions families ask
AB Spectrum is a locally owned autism clinic serving the St. Louis area since 2016. We provide child-led Reggio ABA therapy, speech therapy, and autism evaluations for children ages 18 months to 6 at five clinics within about 50 miles of St. Louis. Families can schedule a meeting for a Welcome Call on the schedule page.
Early support can help young children build communication, social, and everyday skills during a key developmental window. AB Spectrum focuses on early intervention for children ages 18 months through 6 years at our St. Louis clinic and nearby locations.
Early intervention ABA therapy often begins during toddler and preschool years. AB Spectrum specializes in working with children ages 18 months through 6 years old.
AB Spectrum welcomes Medicaid families and works with most major insurance plans. Coverage depends on your benefits. Our team helps with verification and authorizations so you understand next steps before care begins.
Reggio ABA combines evidence-based ABA therapy principles with child-led, exploration-based learning inspired by the Reggio Emilia educational philosophy — the approach AB Spectrum has used as a locally owned clinic since 2016.
Plans are individualized and BCBA-supervised. Goals often focus on communication, social interaction, daily living skills, school readiness, and safer ways to meet needs. Progress is tracked with data so families can see what is working.
Yes. AB Spectrum offers speech therapy services alongside ABA therapy and autism diagnostic evaluations. These services are available to families of all five AB Spectrum clinics.
Families can access care in St. Louis, Chesterfield, Florissant (11753 W Florissant Ave), St. Peters, and Wright City. See all locations.
Schedule a Meeting for a Welcome Call with our Care Coordination team. We will discuss your child’s needs, review insurance, and help you choose the best clinic to start. You can book that meeting on the schedule page.
Our St. Louis clinic is at 2338 Lemay Ferry Rd, St. Louis, MO 63125. Clinic hours are Monday through Friday, 7:45 AM to 3:45 PM. See all five clinics on our locations page.
No. An autism diagnostic evaluation answers diagnostic questions, while Reggio ABA is our child-led approach to ABA treatment. These services are available to families of all five AB Spectrum clinics.
Yes. Providers can start on our referring providers page. Families can also see how getting started works and which insurance plans we work with; benefits are verified for each family.
Our St. Louis clinic at 2338 Lemay Ferry Rd is about a 20-minute drive or less from Mehlville, Lemay, Affton, Oakville, Concord, Sappington, Sunset Hills, Crestwood, Webster Groves, Kirkwood, Arnold, and South St. Louis City. Families from these areas can get ABA therapy, speech therapy, and autism testing through this clinic.

Talk with Care Coordination about your child, insurance benefits, and which clinic fits your family best.
2338 Lemay Ferry Rd, St. Louis, MO 63125 · Mon – Fri, 7:45 AM – 3:45 PM · (314) 339-7732