- Allenmore Hospital in Tacoma, Washington (WA)
- Capital Medical Center in Olympia, Washington (WA)
- Cascade Medical Center in Leavenworth, Washington (WA)
- Cascade Valley Hospital in Arlington, Washington (WA)
- Central Washington Hospital in Wenatchee, Washington (WA)
- Columbia Basin Hospital in Ephrata, Washington (WA)
- Columbia Hospital in Buena, Washington (WA)
- Community Hospital in Yakima, Washington (WA)
- Coulee Community Hospital in Grand Coulee, Washington (WA)
- Dayton General Hospital in Dayton, Washington (WA)
- Deaconess Medical Center in Spokane, Washington (WA)
- Deer Park Hospital in Deer Park, Washington (WA)
- Doctors Hospital of Tacoma,the in Tacoma, Washington (WA)
- East Adams Rural Hospital in Ritzville, Washington (WA)
- Eye & Ear Hospital of Wenatchee in Wenatchee, Washington (WA)
- Ferry County Memorial Hospital in Republic, Washington (WA)
- Forks Community Hospital in Forks, Washington (WA)
- Garfield County Memorial Hospital in Pomeroy, Washington (WA)
- Good Samaritan Hospital and Rehabilitation Center in Puyallup, Washington (WA)
- Grays Harbor Community Hospital in Aberdeen, Washington (WA)
- Harrison Medical Center in Bremerton, Washington (WA)
- Holy Family Hospital in Spokane, Washington (WA)
- Hospice Care Center Hospital in Longview, Washington (WA)
- Island Hospital in Anacortes, Washington (WA)
- Jefferson General Hospital in Port Townsend, Washington (WA)
- Kadlec Medical Center in Richland, Washington (WA)
- Kennewick General Hospital in Kennewick, Washington (WA)
- Kittitas Valley Community Hospital in Ellensburg, Washington (WA)
- Klickitat Valley Hospital in Goldendale, Washington (WA)
- Lake Chelan Community Hospital in Chelan, Washington (WA)
- Legacy Salmon Creek Hospital in Vancouver, Washington (WA)
- Lincoln Hospital in Davenport, Washington (WA)
- Lourdes Medical Center in Pasco, Washington (WA)
- Mark Reed Hospital in Mccleary, Washington (WA)
- Mason General Hospital in Shelton, Washington (WA)
- Mid Valley Hospital in Omak, Washington (WA)
- Monticello Medical Center in Longview, Washington (WA)
- Morton General Hospital in Morton, Washington (WA)
- Mount Carmel Hospital in Colville, Washington (WA)
- Mount Linton Hospital in Metaline Falls, Washington (WA)
- Mountainview Hospital in Spokane, Washington (WA)
- Newport Community Hospital in Newport, Washington (WA)
- North Valley Hospital in Tonasket, Washington (WA)
- Ocean Beach Hospital in Ilwaco, Washington (WA)
- Odessa Memorial Hospital in Odessa, Washington (WA)
- Okanogan-Douglas District Hospital in Brewster, Washington (WA)
- Olympic Medical Center in Port Angeles, Washington (WA)
- Othello Community Hospital in Othello, Washington (WA)
- Peacehealth St John Medical Center in Longview, Washington (WA)
- Prosser Memorial Hospital in Prosser, Washington (WA)
- Providence Centralia Hospital in Centralia, Washington (WA)
- Providence Everett Medical Center – Colby Campus in Everett, Washington (WA)
- Providence St Peter Hospital in Olympia, Washington (WA)
- Puget Sound Hospital in Tacoma, Washington (WA)
- Pullman Memorial Hospital in Pullman, Washington (WA)
- Quincy Valley Hospital in Quincy, Washington (WA)
- S W Washington Medical Center in Vancouver, Washington (WA)
- Sacred Heart Medical Center in Spokane, Washington (WA)
- Saint Clare Hospital in Tacoma, Washington (WA)
- Samaritan Hospital in Moses Lake, Washington (WA)
- Skagit Valley Hospital in Mount Vernon, Washington (WA)
- Skyline Hospital in White Salmon, Washington (WA)
- St Joseph Hospital in Aberdeen, Washington (WA)
- St Joseph Medical Center in Tacoma, Washington (WA)
- St Joseph's Hospital of Chewelah in Chewelah, Washington (WA)
- St Josephs Hospital in Bellingham, Washington (WA)
- St Lukes Memorial Hospital in Spokane, Washington (WA)
- St Mary Medical Center in Walla Walla, Washington (WA)
- St Peter Chemical Dependency Center in Lacey, Washington (WA)
- Stevens Hospital in Edmonds, Washington (WA)
- Sunnyside Community Hospital in Sunnyside, Washington (WA)
- Tacoma General Allenmore Hospital in Tacoma, Washington (WA)
- Toppenish Community Hospital in Toppenish, Washington (WA)
- Tri-State Memorial Hospital in Clarkston, Washington (WA)
- United General Hospital in Sedro Woolley, Washington (WA)
- Valley General Hospital in Monroe, Washington (WA)
- Valley Hospital and Medical Center in Spokane, Washington (WA)
- Valley Memorial Hospital in Sunnyside, Washington (WA)
- Walla Walla General Hospital in Walla Walla, Washington (WA)
- Wenatchee Valley Hospital in Wenatchee, Washington (WA)
- Whidbey General Hospital in Coupeville, Washington (WA)
- Whitman Hospital and Medical Center in Colfax, Washington (WA)
- Willapa Harbor Hospital in South Bend, Washington (WA)
- Yakima Regional Medical and Cardiac Center in Yakima, Washington (WA)
- Yakima Valley Memorial Hospital in Yakima, Washington (WA)