The Northwest Portland Area Indian Health Board (NPAIHB) is a nonprofit tribal advisory organization serving the 43 federally-recognized tribes of Idaho, Oregon, and Washington. NPAIHB represents tribal interests in state and national decision-making, facilitates health-related capacity development, and provides education and technical assistance to the tribes. NPAIHB is also the home of the Northwest Tribal Epidemiology Center, whose mission is to collaborate with the Northwest tribes to provide health-related research, surveillance, and training to improve the quality of the life of American Indians and Alaskan Natives (AI/AN).