AB Spectrum is a premier autism clinic in St. Louis, Missouri, offering expert ABA Therapy, Speech Therapy, and comprehensive autism diagnosis for children ages 1–6. Our St. Louis clinic provides personalized ReggioABA™ programs and individualized speech therapy, uniquely combining the evidence-based structure of Applied Behavior Analysis with the child-led Reggio Emilia philosophy. As the only clinic worldwide using this integrated approach, we deliver engaging, research-driven therapy. Minority-owned and locally operated, AB Spectrum is committed to compassion, accessibility, and excellence, empowering St. Louis families with high-quality early intervention services. We accept all major insurance plans, including Missouri Medicaid.