This handbook addresses treatment planning for children with autism spectrum disorder (ASD) and other neurodevelopmental disabilities (NDDs) using a medical home perspective. It examines the medical home model, which has been promoted as the standard of care by the American Academy of Pediatrics since 2002, emphasizing collaboration between patients, families, and providers to optimize care. The handbook addresses treatment planning, including the coordination of the care provided by multiple specialists with a clear, shared vision for maximizing each child’s potential.