Developmental Disabilities Institute (DDI) is a premier non-profit organization in the Social Services sector, dedicated to supporting individuals with autism and other developmental disabilities across Long Island. With a strong emphasis on person-centered care, DDI provides a wide range of programs that enhance the quality of life for children and adults with special needs. Their comprehensive services span educational, clinical, vocational, and residential supports, all rooted in evidence-based practices. DDI is known for its innovative early childhood intervention programs and specialized schools designed for students with autism spectrum disorders.

A key feature of DDI is its community-focused approach—working closely with families, local agencies, and industry professionals to foster inclusive, empowering environments. They also provide adult day habilitation and supported employment programs that promote independence and skill development. Their residential services operate 24/7, offering safe, nurturing homes for individuals who require daily support. As a leader in developmental disability services, DDI is affiliated with multiple licensing and advocacy bodies to ensure quality and uphold industry best practices. Their long-standing commitment has made them a pillar of support for thousands of families throughout the region.

Key Services:

– Special education programs for children with developmental disabilities
– Early childhood intervention services
– Adult day habilitation and vocational training
– Residential group homes and 24/7 care
– Clinical and therapeutic services (speech, occupational, physical therapy)
– Supported employment and community integration programs
– Family support services and counseling
– Behavior intervention and management programs