​Yakima Valley Memorial Hospital

Providence Hospital Toppenish

Providence Holy Family Hospital

​St. Elizabeth Hospital

Peacehealth St. John Medical Center

Lake Chelan Community Hospital

Deaconess Medical Center

Olympic Medical Center

​Central Washington Hospital

Island Hospital

Providence St. Mary Medical Center

Providence General Medical Center Pacific Campus

​St. Francis Community Hospital

Group Health Cooperative Central Hospital

Harrison Medical Center

Providence St. Peter Hospital

Providence Sacred Heart Medical Center

​Skagit Valley Hospital

​Columbia Capital Medical Center

​Walla Walla General Hospital

Legacy at Salmon Creek

​Samaritan Hospital

Our Lady of Lourdes Hospital

Forks Community Hospital

Good Samaritan Hospital

Kadlec Regional Medical Center

​Peacehealth Southwest Washington Medical Center

Jefferson General Hospital

Kittitas Valley Community Hospital

​Kennewick General Hospital

Northwest Hospital and Medical Center

​Swedish Medical Center at Issaquah

​Swedish Medical Center at Ballard

​Tacoma General Hospital

​St. Joseph Hospital & Health Care Center

Providence Mount Carmel Hospital

Peacehealth St. Joseph Hospital

Grays Harbor Community Hospital

Evergreen Hospital Medical Center

​Sunnyside Community Hospital

Auburn Regional Medical Center

​Swedish Edmonds Hospital

​Swedish Hospital Medical Center

​Coulee Medical Center

Okanogan-Douglas County Hospital

Hig​hline Community Hospital

​Pullman Memorial Hospital

​Valley Medical Center

Prosser Memorial Hospital

North Valley Hospital

Overlake Hospital Medical Center

Mid-Valley Hospital

​University of Washington Medical Center

​Whitman Hospital and Medical Center

​Cascade Valley Hospital

Providence Centralia Hospital, Centralia Campus

Whidbey General Hospital