National Down Syndrome Society (NDSS)

National Down Syndrome Society (NDSS) Logo

Basic Information

Address: 666 Broadway New York, New York 10012
Phone Number: (800) 221-4602
Fax Number: (212) 979-2873

Action Shots

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Additional Information

President: Jon Colman
Service Description:
Mission Statement:

The mission of the National Down Syndrome Society is to be the national advocate for the value, acceptance and inclusion of people with Down syndrome.

Membership Fee: None
Eligibility Requirements: None
Area Served: Nationwide
Hours of Operation/Schedule: Monday - Friday, 9 a.m. - 5 p.m., ET
Services Offered:
Operates a toll-free helpline which provides information about Down Syndrome. Maintains the world's most comprehensive website on Down syndrome, Disseminates information and makes referrals to parent support groups and other community resources.

Over 275 Buddy Walks take place throughout the country each year; Nationwide Education Series

Conferences/Speakers: Public Policy, Buddy Walk and Public Awareness conferences
Fundraisers: Operates the National Buddy Walk Program. For more information, visit
Support Groups: Over 300 affiliate Down syndrome groups across the country. To locate one near you, visit

NDSS has worked since 1979 to benefit people with Down syndrome and their families through national leadership in education, research, and advocacy.