| Gritman Medical Center | CAH | PULLMAN | 2017-07-01 |
| Lincoln County Public Hospital District No. 3 | CAH | GRAND COULEE | 2021-04-01 |
| Pend Oreille County Public Hospital District #1 DBA Newport Community Hospital | CAH | NEWPORT | 2012-10-19 |
| CASCADE MEDICAL CENTER | CAH | LEAVENWORTH | 2018-04-01 |
| Grant County Public Hospital District #3, dba Columbia Basin Hospital | CAH | EPHRATA | 2013-07-01 |
| JEFFERSON HEALTHCARE | CAH | PORT TOWNSEND | 2011-10-18 |
| ASTRIA SUNNYSIDE HOSPITAL | CAH | GRANDVIEW | 2020-04-01 |
| ASTRIA SUNNYSIDE HOSPITAL | CAH | SUNNYSIDE | 2020-04-01 |
| ASTRIA SUNNYSIDE HOSPITAL | CAH | TOPPENISH | 2020-04-01 |
| Public Hospital District #1-A DBA Pullman Regional Hospital | CAH | PULLMAN | 2026-07-01 |
| KITTITAS COUNTY PUBLIC HOSPITAL DISTRICT #1 | CAH | CLE ELUM | 2017-04-01 |
| KITTITAS COUNTY PUBLIC HOSPITAL DISTRICT #1 | CAH | ELLENSBURG | 2011-12-28 |
| PUBLIC HOSPITAL DISTRICT #4 KING COUNTY WASHINGTON | CAH | NORTH BEND | 2018-04-01 |
| WHIDBEY GENERAL HOSPITAL | CAH | OAK HARBOR | 2020-01-01 |
| Administrative Offices | CH | TACOMA | 2026-01-01 |
| Administrative Offices | CH | TACOMA | 2026-01-01 |
| Administrative Offices | CH | TACOMA | 2026-01-01 |
| Administrative Offices | CH | TACOMA | 2026-01-01 |
| Administrative Offices | CH | TACOMA | 2026-01-01 |
| Administrative Offices | CH | LAKEWOOD | 2026-01-01 |
| Administrative Offices | CH | PUYALLUP | 2026-01-01 |
| MOSES LAKE COMMUNITY HEALTH CENTER | CH | MOSES LAKE | 2013-10-01 |
| MOSES LAKE COMMUNITY HEALTH CENTER | CH | EPHRATA | 2023-07-01 |
| Sea Mar CHC - Administration | CH | OLYMPIA | 2017-04-01 |
| Sea Mar CHC - Administration | CH | MT VERNON | 2017-04-01 |
| Sea Mar CHC - Administration | CH | MOUNT VERNON | 2017-01-01 |
| Sea Mar CHC - Administration | CH | MONROE | 2017-04-01 |
| Sea Mar CHC - Administration | CH | LONGVIEW | 2017-04-01 |
| Sea Mar CHC - Administration | CH | VANCOUVER | 2017-04-01 |
| Sea Mar CHC - Administration | CH | VANCOUVER | 2017-04-01 |
| Sea Mar CHC - Administration | CH | WASHOUGAL | 2017-04-01 |
| Sea Mar CHC - Administration | CH | YELM | 2017-04-01 |
| Sea Mar CHC - Administration | CH | VANCOUVER | 2017-04-01 |
| Sea Mar CHC - Administration | CH | VANCOUVER | 2015-04-01 |
| Sea Mar CHC - Administration | CH | VANCOUVER | 2015-04-01 |
| Sea Mar CHC - Administration | CH | VANCOUVER | 2020-01-01 |
| Sea Mar CHC - Administration | CH | VANCOUVER | 2020-01-01 |
| Sea Mar CHC - Administration | CH | TACOMA | 2017-04-01 |
| Sea Mar CHC - Administration | CH | TACOMA | 2017-04-01 |
| Sea Mar CHC - Administration | CH | TACOMA | 2017-04-01 |
| Sea Mar CHC - Administration | CH | TACOMA | 2020-01-01 |
| Sea Mar CHC - Administration | CH | STANWOOD | 2026-01-01 |
| Sea Mar CHC - Administration | CH | SHELTON | 2017-04-01 |
| Sea Mar CHC - Administration | CH | SEATTLE | 2026-01-01 |
| Sea Mar CHC - Administration | CH | RENTON | 2017-04-01 |
| Sea Mar CHC - Administration | CH | PUYALLUP | 2017-04-01 |
| Sea Mar CHC - Administration | CH | PUYALLUP | 2020-01-01 |
| Sea Mar CHC - Administration | CH | PUYALLUP | 2017-04-01 |
| Sea Mar CHC - Administration | CH | ORTING | 2017-04-01 |
| Sea Mar CHC - Administration | CH | OLYMPIA | 2017-04-01 |
| Sea Mar CHC - Administration | CH | BURIEN | 2017-04-01 |
| Sea Mar CHC - Administration | CH | BURLINGTON | 2026-01-01 |
| Sea Mar CHC - Administration | CH | CAMAS | 2017-04-01 |
| Sea Mar CHC - Administration | CH | EVERETT | 2017-04-01 |
| Sea Mar CHC - Administration | CH | EVERETT | 2017-04-01 |
| Sea Mar CHC - Administration | CH | EVERETT | 2017-04-01 |
| Sea Mar CHC - Administration | CH | FEDERAL WAY | 2026-01-01 |
| Sea Mar CHC - Administration | CH | FERNDALE | 2017-01-01 |
| Sea Mar CHC - Administration | CH | GRAHAM | 2017-04-01 |
| Sea Mar CHC - Administration | CH | KENT | 2017-04-01 |
| Sea Mar CHC - Administration | CH | LACEY | 2017-04-01 |
| Sea Mar CHC - Administration | CH | LACEY | 2017-04-01 |
| Sea Mar CHC - Administration | CH | LACEY | 2017-04-01 |
| Sea Mar CHC - Administration | CH | LAKEWOOD | 2017-04-01 |
| Sea Mar CHC - Administration | CH | LYNDEN | 2017-04-01 |
| Sea Mar CHC - Administration | CH | MARYSVILLE | 2017-04-01 |
| Sea Mar CHC - Administration | CH | MARYSVILLE | 2020-01-01 |
| Sea Mar CHC - Administration | CH | ABERDEEN | 2020-01-01 |
| Sea Mar CHC - Administration | CH | BATTLE GROUND | 2017-04-01 |
| Sea Mar CHC - Administration | CH | BELLINGHAM | 2017-01-01 |
| Sea Mar CHC - Administration | CH | BELLINGHAM | 2017-01-01 |
| Sea Mar CHC - Administration | CH | BELLINGHAM | 2017-04-01 |
| Sea Mar CHC - Bellevue 156th Ave. NE | CH | RENTON | 2024-01-01 |
| Sea Mar CHC - Anacortes M Avenue | CH | LYNDEN | 2024-01-01 |
| Sea Mar CHC - Everett Claremont Way | CH | EVERETT | 2024-01-01 |
| Sea Mar CHC - Kent 233 2nd Ave. S. | CH | KENT | 2024-01-01 |
| Sea Mar CHC - Vancouver NE 65th St. | CH | VANCOUVER | 2024-01-01 |
| Sea Mar CHC - Kelso Allen St. | CH | BATTLE GROUND | 2024-01-01 |
| Sea Mar CHC - Mt. Vernon Old Hwy 99 | CH | MOUNT VERNON | 2024-01-01 |
| Sea Mar CHC - Vancouver 317 E 39th St | CH | VANCOUVER | 2024-01-01 |
| Sea Mar CHC - Vancouver 1601 E Fourth Plain Blvd | CH | VANCOUVER | 2024-01-01 |
| Sea Mar CHC - Olympia Ensign Rd NE | CH | OLYMPIA | 2024-01-01 |
| Sea Mar CHC - Mt. Vernon E. College Way | CH | MT VERNON | 2024-01-01 |
| YVFWC - TOPPENISH | CH | SUNNYSIDE | 2019-04-01 |
| YVFWC - TOPPENISH | CH | TOPPENISH | 2019-01-01 |
| YVFWC - TOPPENISH | CH | WALLA WALLA | 2019-04-01 |
| YVFWC - TOPPENISH | CH | GRANDVIEW | 2019-01-01 |
| YAKIMA NEIGHBORHOOD HEALTH SERVICES | CH | YAKIMA | 2013-07-01 |
| YAKIMA NEIGHBORHOOD HEALTH SERVICES | CH | GRANDVIEW | 2017-07-01 |
| YAKIMA NEIGHBORHOOD HEALTH SERVICES | CH | SUNNYSIDE | 2019-04-01 |
| YAKIMA NEIGHBORHOOD HEALTH SERVICES | CH | TOPPENISH | 2017-07-01 |
| YAKIMA NEIGHBORHOOD HEALTH SERVICES | CH | YAKIMA | 2017-07-01 |
| YAKIMA NEIGHBORHOOD HEALTH SERVICES | CH | YAKIMA | 2013-07-01 |
| Seattle Roots at Country Doctor | CH | SEATTLE | 2014-10-01 |
| Seattle Roots at Country Doctor | CH | DES MOINES | 2015-10-01 |
| Seattle Roots at Country Doctor | CH | SEATTLE | 2014-10-01 |
| Seattle Roots at Country Doctor | CH | SEATTLE | 2015-10-01 |
| Seattle Roots - Dental Clinic | CH | SEATTLE | 2024-10-01 |
| Seattle Roots at Meany School Clinic | CH | SEATTLE | 2024-07-01 |
| Seattle Roots at Nova | CH | DES MOINES | 2024-07-01 |