Advancing Care for People with IDD and co-occurring mental health needs
NADD is an international resource for professionals, families, and organizations supporting individuals with intellectual and developmental disabilities and co-occurring mental health needs.
Join a Community Dedicated to Excellence.
Whether you’re just getting started or looking to advance your career, NADD offers training and certification pathways designed for professionals at every stage of their career.
Latest From NADD
44th Annual NADD Conference
Mark your calendars! The 2027 NADD Annual Conference is being held at the Hilton Baltimore Inner Harbor. October 13-15, 2027.
Trusted by the IDD/MH Dual Diagnosis Community
For over four decades NADD has been the leading voice in supporting individuals with intellectual and developmental disabilities and co-occurring mental health needs. Our community of certified professionals, accredited programs, and dedicated members is growing every day.


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