New Client Application

Thank you for visiting our website and your interest in getting in touch.

AB Spectrum is a St. Louis-founded and St. Louis-based elite provider of ABA therapy services for children on the Spectrum.  We are committed to helping children reach their full potential.

By completing this form, you are only indicating an interest in our services, not making any obligation, contract, or establishing a provider-patient relationship.  If you provide the below information, it will help us to schedule an appointment for your child.  Our goal is to be in touch with you within one week.

If you have any questions, please feel free to call us (314) 339-7732 

AB Spectrum General Contact Information

Phone: (314) 339-7732


Fax: (636) 244-4914


Location: 14733 Clayton Rd Ballwin, Missouri​ 63011

Direct Line: 636-248-1395


Weldon Spring in St. Charles

Location: 1030 Wolfrum Rd, Weldon Spring, MO 63304

Direct Line: (636) 445-4659



Clinic Hours: Monday-Friday 7:00am-5:30pm

Insurance Department Hours: 8:00am- 3:30pm

Administration Hours: 7:00am-4:00pm