| Providence Health & Services Washington | Renton | $9,728,808,188 |
| Providence Health & Services Oregon | Seattle | $5,906,975,155 |
| Multicare Health System | Tacoma | $5,011,395,222 |
| Kaiser Foundation Health Plan of Washington | Renton | $4,366,355,550 |
| Peacehealth | Vancouver | $4,019,939,134 |
| Swedish Health Services | Renton | $3,338,219,787 |
| Seattle Childrens Hospital | Seattle | $3,072,099,534 |
| Fred Hutchinson Cancer Center | Seattle | $2,532,392,907 |
| Providence Health System-Southern California | Seattle | $2,326,793,207 |
| Delta Dental of Washington | Seattle | $1,834,429,835 |
| Chp of Washington | Seattle | $1,636,587,763 |
| Virginia Mason Medical Center | Seattle | $1,388,981,761 |
| Kadlec Regional Medical Center | Renton | $1,003,950,715 |
| Central Washington Health Services Association | Wenatchee | $914,470,733 |
| Overlake Medical Center & Clinics | Bellevue | $851,950,642 |
| Legacy Salmon Creek Hospital | Vancouver | $655,818,611 |
| Yakima Valley Memorial Hospital Association | Yakima | $647,033,017 |
| Sea Mar Community Health Centers | Seattle | $578,212,508 |
| Providence Health & Services Mt | Seattle | $563,343,536 |
| Providence Saint Johns Health Center | Seattle | $499,533,171 |
| Yakima Valley Farm Workers Clinic | Toppenish | $396,166,161 |
| Tarzana Medical Center LLC | Renton | $393,476,114 |
| Providence Plan Partners | Renton | $386,282,263 |
| Community Health Association of Spokane | Spokane | $342,222,987 |
| Swedish Edmonds | Seattle | $320,985,372 |
| The Association of Chrmc and University Physicians | Seattle | $315,189,862 |
| Pacmed Clinics | Renton | $306,968,943 |
| Providence Saint Johns Medical Foundation | Renton | $274,394,338 |
| Healthpoint | Renton | $217,146,756 |
| St Joseph Health System | Renton | $216,194,246 |
| Bloodworks | Seattle | $167,526,090 |
| Northwest Kidney Centers | Seatac | $149,121,457 |
| Tri-State Memorial Hospital | Clarkston | $144,715,523 |
| Western Healthconnect | Renton | $129,686,801 |
| International Community Health Services | Seattle | $126,188,688 |
| Sunnyside Community Hospital Association | Sunnyside | $124,314,875 |
| Covenant Health System | Renton | $113,759,127 |
| Community Health Center of Snohomish County | Everett | $102,387,658 |
| Chvi Professional Corporation | Tacoma | $97,425,078 |
| Neighborcare Health | Seattle | $92,181,139 |
| Community Health Care | Tacoma | $91,831,650 |
| Seattle Childrens Healthcare System | Seattle | $90,680,689 |
| Lifecenter Northwest | Bellevue | $85,426,799 |
| Planned Parenthood Great Northwest Hawaii Alaska Indiana & Ky Inc | Seattle | $78,618,237 |
| Swedish Medical Center Foundation | Seattle | $77,149,780 |
| Columbia Basin Health Association | Othello | $76,390,140 |
| Columbia Valley Community Health | Wenatchee | $68,721,034 |
| Caroline Kline Galland Home | Seattle | $60,893,133 |
| Peninsula Community Health Services | Bremerton | $57,949,847 |
| Community Health of Central Washington | Yakima | $54,987,266 |
| Moses Lake Community Health Center | Moses Lake | $52,735,349 |
| Seattle Indian Health Board | Seattle | $51,324,680 |
| Unity Care Northwest | Bellingham | $51,041,531 |
| Yakima Neighborhood Health Services | Yakima | $49,513,404 |
| Puget Sound Kidney Centers | Everett | $42,166,496 |
| Mary Bridge Childrens Foundation | Tacoma | $25,408,492 |
| Providence St Joseph Health | Renton | $23,956,871 |