Consists of ten counties East of the Cascade mountains extending from Okanogan to Walla Walla. Hospitals systems include Confluence Heath, MultiCare, Providence, Samaritan, and Kadlec. Central Chapter Mark your calendars Featured Apr 27 Apr 27, 2025 – Apr 29, 2025 51st Annual Pacific Northwest Regional Respiratory Care Conference and Scientific Assembly Apr 27, 2025 – Apr 29, 2025 Apr 27, 2025 – Apr 29, 2025 Gallery