The Seneca Nation Health System (SNHS) provides comprehensive health services to the Allegany, Cattaraugus, Chautauqua, Erie and Niagara (except the Tonawanda and Tuscarora Territories) Counties in the State of New York, and Warren County in the State of Pennsylvania.

Seneca Strong is focused on Drug and Alcohol Prevention and Recovery, utilizing the peer outreach, and recovery support model. Recovery supports include a drop in recreation center, access to support groups and local 12 step groups. Prevention and education are provided in the community.