The NASDDDS mission is to assist member state agencies in building person-centered and culturally and linguistically appropriate systems of services and supports for people with intellectual and developmental disabilities and their families.

The NASDDDS mission is to assist member state agencies in building person-centered and culturally and linguistically appropriate systems of services and supports for people with intellectual and developmental disabilities and their families.
This organizations works to improve mental health services and supports for people with developmental disabilities. By serving as a national clearinghouse, it helps provide access to the most current evidence-based, trauma-informed, culturally responsive practices that address the mental health needs of individuals with developmental disabilities.