| Hospital | City | County | Hospital beds | Trauma designation (adult) | Trauma (pediatric) | Affiliation | Founded |
|---|
| Arbor Health (formerly Morton General Hospital) | Morton | Lewis | 25 | V[2] | | Washington Rural Health Collaborative | 1937[3] |
| Astria Sunnyside Hospital[4] | Sunnyside | Yakima | 25 | IV[2] | | Astria | |
| Astria Toppenish Hospital[4] | Toppenish | Yakima | 63 | IV[2] | | Astria | 1951 |
| Capital Medical Center | Olympia | Thurston | 110 | IV | | MultiCare Health[5] | 1985[6] |
| Cascade Medical Center | Leavenworth | Chelan | 17 | V | | | |
| Cascade Valley Hospital | Arlington | Snohomish | 48 | IV | | Skagit Regional Health | 1901[7] |
| Columbia Basin Hospital | Ephrata | Grant | 50 | V | | Northwest Rural Health Network | 1950 |
| Confluence Health Hospital, Central Campus (formerly Central Washington Hospital) | Wenatchee | Chelan | 206 | III[2] | III[2] | Confluence Health | |
| Coulee Medical Center | Grand Coulee | Grant | 25 | IV | | Northwest Rural Health Network | 1934 |
| Dayton General Hospital | Dayton | Columbia | 25 | V | | Northwest Rural Health Network | |
| East Adams Rural Healthcare | Ritzville | Adams | 20 | V[2] | | Northwest Rural Health Network | |
| EvergreenHealth Medical Center | Kirkland | King | 318 | III[2] | | EvergreenHealth | |
| EvergreenHealth Monroe | Monroe | Snohomish | 112 | IV[2] | | EvergreenHealth | |
| Ferry County Memorial Hospital | Republic | Ferry | 25 | V | | Northwest Rural Health Network | |
| Forks Community Hospital | Forks | Clallam | 35 | IV | | Washington Rural Health Collaborative | |
| Garfield County Public Hospital | Pomeroy | Garfield | 25 | V | | Northwest Rural Health Network | |
| Grays Harbor Community Hospital | Aberdeen | Grays Harbor | 70 | III[8] | | Harbor Medical Group | 1959 |
| Harborview Medical Center | Seattle | King | 413 | I[2] | I[2] | UW Medicine | 1877 |
| Island Hospital | Anacortes | Skagit | 43 | III[2] | | Washington Rural Health Collaborative | 1962 |
| Jefferson Healthcare Hospital | Port Townsend | Jefferson | 25 | IV | | Washington Rural Health Collaborative | 1890 |
| Kadlec Regional Medical Center | Richland | Benton | 270 | III | | Kadlec | |
| Kaiser Permanente Capitol Hill | Seattle | King | 18 | | | Kaiser | formerlyGroup Health Cooperative Central Hospital |
| Kindred Hospital Seattle - First Hill | Seattle | King | 50 | | | Kindred Healthcare | LTACH |
| Kindred Hospital Seattle - North Gate | Seattle | King | 30 | | | Kindred Healthcare | LTACH |
| Kittitas Valley Healthcare[9] | Ellensburg | Kittitas | 25 | IV | | Formerly Kittitas Valley Community Hospital | 1964 |
| Klickitat Valley Health | Goldendale | Klickitat | 17 | IV | | Washington Rural Health Collaborative | |
| Lake Chelan Community Hospital | Chelan | Chelan | 24 | IV | | LCCHC | |
| Legacy Salmon Creek Hospital | Vancouver | Clark | 194 | | | Legacy Health | 2005[10] |
| Lincoln Hospital | Davenport | Lincoln | 25 | V | | Northwest Rural Health Network | 1961[11] |
| Lourdes Counseling Center | Richland | Benton | 32 | | | LifePoint Health[5] | |
| Lourdes Medical Center | Pasco | Franklin | 25 | IV | | LifePoint Health[5] | |
| Madigan Army Medical Center | Tacoma | Pierce | 205 | II | | Military Health System | 1944 |
| Mary Bridge Children's Hospital | Tacoma | Pierce | 72 | II[2] | | MultiCare Health[12] | 1955 |
| Mason General Hospital | Shelton | Mason | 25 | IV | | Washington Rural Health Collaborative | |
| Mid-Valley Hospital | Omak | Okanogan | 30 | IV | | | 1963 |
| MultiCare Allenmore Hospital | Tacoma | Pierce | 130 | IV[2] | | MultiCare Health | |
| MultiCare Auburn Medical Center | Auburn | King | 162 | III[2] | | MultiCare Health | 1921[13] |
| MultiCare Covington | Covington | King | 58 | | | MultiCare Health | 2018[14] |
| MultiCare Deaconess Hospital | Spokane | Spokane | 307 | III[2] | | MultiCare Health | |
| MultiCare Good Samaritan Hospital | Puyallup | Pierce | 275 | III[2] | | MultiCare Health | |
| MultiCare Tacoma General Hospital | Tacoma | Pierce | 437 | II[2] | | MultiCare Health | 1882 |
| MultiCare Valley Hospital | Spokane Valley | Spokane | 123 | III[2] | | MultiCare Health | |
| Naval Hospital Bremerton | Bremerton | Kitsap | 40 | | | Military Health System | |
| Newport Community Hospital | Newport | Pend Oreille | 75 | IV | | Washington Rural Health Collaborative & Northwest Rural Health Network | |
| North Valley Hospital | Tonasket | Okanogan | 25 | IV | | | |
| Northwest Hospital | Seattle | King | 281 | IV[2] | | UW Medicine | 1960 |
| Ocean Beach Hospital | Ilwaco | Pacific | 15 | IV | | Washington Rural Health Collaborative | 1934 |
| Odessa Memorial Healthcare Center | Odessa | Lincoln | 48 | V | | Northwest Rural Health Network | |
| Olympic Memorial Hospital | Port Angeles | Clallam | 126 | III | | | 1951 |
| Othello Community Hospital | Othello | Adams | 25 | V | | Northwest Rural Health Network | 1958 |
| Overlake Hospital Medical Center | Bellevue | King | 347 | III[2] | | | 1960 |
| PeaceHealth Peace Island Hospital | Friday Harbor | San Juan | 10 | | | PeaceHealth (Catholic) | |
| PeaceHealth St. John Medical Center | Longview | Cowlitz | 193 | III[2] | | PeaceHealth (Catholic) | |
| PeaceHealth St. Joseph Medical Center | Bellingham | Whatcom | 253 | II[2] | | PeaceHealth (Catholic) | |
| PeaceHealth Southwest Medical Center | Vancouver | Clark | 450 | II[2] | II[2] | PeaceHealth (Catholic) | 1858 |
| PeaceHealth United General Medical Center | Sedro-Woolley | Skagit | 25 | IV[2] | | PeaceHealth (Catholic)[15] | |
| Prosser Memorial Hospital | Prosser | Benton | 25 | IV[2] | | Washington Rural Health Collaborative | |
| Providence Centralia Hospital | Centralia | Lewis | 133 | IV[2] | | Providence Health (Catholic) | |
| Providence Holy Family Hospital | Spokane | Spokane | 272 | III | III[2] | Providence Health (Catholic) | |
| Providence Mount Carmel Hospital | Colville | Stevens | 25 | IV[2] | | Providence Health (Catholic) | |
| Providence Regional Medical Center Everett | Everett | Snohomish | 468 | II[2] | III[2] | Providence Health (Catholic) | 1994 |
| Providence Sacred Heart Medical Center | Spokane | Spokane | 644 | II[2] | II[2] | Providence Health (Catholic) | 1856 |
| Providence St. Joseph's Hospital | Chewelah | Stevens | 70 | IV[2] | | Providence Health (Catholic) | |
| Providence St. Mary Medical Center | Walla Walla | Walla Walla | 87 | III[2] | | Providence Health (Catholic) | |
| Providence St. Peter Hospital | Olympia | Thurston | 372 | III[2] | | Providence Health (Catholic) | 1887 |
| Pullman Regional Hospital | Pullman | Whitman | 25 | IV | | Northwest Rural Health Network | |
| Quincy Valley Medical Center | Quincy | Grant | 25 | V | | | |
| St. Anne Hospital (formerly Highline Medical Center) | Burien | King | 164 | IV[2] | | Franciscan Health[16] (Catholic) | 1958, independent until 2013 |
| St. Anthony Hospital | Gig Harbor | Pierce | 80 | IV | | Franciscan Health (Catholic) | 2009 |
| St. Clare Hospital | Lakewood | Pierce | 106 | IV | | Franciscan Health (Catholic) | 1961 |
| St. Elizabeth Hospital | Enumclaw | King | 38 | V[2] | | Franciscan Health (Catholic) | 1949 |
| St. Francis Hospital | Federal Way | King | 110 | IV[2] | | Franciscan Health (Catholic) | 1987 |
| St. Joseph Medical Center | Tacoma | Pierce | 343 | II[2] | | Franciscan Health (Catholic) | 1891 |
| St. Luke's Rehabilitation Institute | Spokane | Spokane | 102 | | | Inland Northwest Helt | Rehab |
| St. Michaels Medical Center (formerly Harrison Medical Center) | Silverdale | Kitsap | 248 | III | | Franciscan Health[16] (Catholic) | 1918[17] |
| Samaritan Healthcare | Moses Lake | Grant | 50 | III | | Northwest Rural Health Network | |
| Seattle Cancer Care Alliance | Seattle | King | 20 | | | | |
| Seattle Children's | Seattle | King | 407 | | I PED[2] | Children's Miracle Network | 1907 |
| Seattle VA Medical Center | Seattle | King | 429 | | | Veterans Health Administration | |
| Shriners Hospital for Children | Spokane | Spokane | 30 | | | Shriners Hospitals for Children | |
| Skagit Valley Hospital | Mount Vernon | Skagit | 137 | III | | Skagit Regional Health | 1958 |
| Skyline Hospital | White Salmon | Klickitat | 25 | IV | | Washington Rural Health Collaborative | |
| Snoqualmie Valley Hospital | Snoqualmie | King | 25 | V[2] | | Washington Rural Health Collaborative | |
| Summit Pacific Medical Center | McCleary | Grays Harbor | 11 | V | | Washington Rural Health Collaborative | |
| Swedish Medical Center Ballard | Seattle | King | 163 | | | Providence Health (Catholic) | |
| Swedish Medical Center Cherry Hill | Seattle | King | 385 | | | Providence Health (Catholic) | |
| Swedish Medical Center Edmonds | Edmonds | Snohomish | 217 | IV[2] | | Providence Health (Catholic) | 1964 |
| Swedish Medical Center First Hill | Seattle | King | 697 | | | Providence Health (Catholic) | |
| Swedish Medical Center Issaquah | Issaquah | King | 120 | | | Providence Health (Catholic) | |
| Three Rivers Hospital | Brewster | Okanogan | 35 | IV | | | 1959 |
| Tri-State Memorial Hospital | Clarkston | Asotin | 25 | IV | | Northwest Rural Health Network | |
| Trios Health | Kennewick | Benton | 111 | III | | LifePoint Health[5] | |
| University of Washington Medical Center | Seattle | King | 450 | | | UW Medicine | 1959 |
| Valley Medical Center | Renton | King | 303 | III[2] | | UW Medicine | Formed an alliance with the University of Washington in 2011 |
| Virginia Mason Hospital | Seattle | King | 336 | | | Virginia Mason Health System merged with Franciscan Health (CHI Franciscan and Virginia Mason merger)[18] | |
| Wenatchee Valley Medical Center | Wenatchee | Chelan | 20 | | | Confluence Health | |
| WhidbeyHealth Medical Center | Coupeville | Island | 25 | III | | Washington Rural Health Collaborative | 1970 |
| Whitman Hospital and Medical Center | Colfax | Whitman | 25 | V | | Northwest Rural Health Network | 1893 |
| Willapa Harbor Hospital | South Bend | Pacific | 15 | IV | | Washington Rural Health Collaborative | |
| Yakima Valley Memorial Hospital[19] | Yakima | Yakima | 222 | | III[2][8] | III[2][8] | Virginia Mason Health System |