| CHAS Deer Park Reach Out and Read Program Deer Park, Spokane (5th district) |
| Child and Adolescent Clinic Longview, Cowlitz (3rd district) |
| Children's-PHSKC, North Public Health Clinic Seattle, King (7th district) |
| Columbia Valley Community Health Center Wenatchee , Chelan (4th district) |
| | | Satellites: | | | - | Columbia Valley Community Health-Chelan Clinic Chelan, Chelan (4th district) |
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| Colville Indian Health Center Nespelem, Okanogan (5th district) |
| | | Satellites: | | | - | Omak IndianHealth Clinic Omak, Okanogan (5th district) |
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| Community Health Care, Eastside Clinic Tacoma, Pierce (6th district) |
| Community Health Care - Lakewood Lakewood, Pierce (6th district) |
| Country Doctor Community Health Centers Seattle, King (7th district) |
| David C. Wynecoop Memorial Clinic , IHS Wellpinit Service Unit Wellpinit, Stevens (Unknown district) |
| Eastgate Public Health Clinic Bellevue , King (8th district) |
| Evergreen Children's Clinic Puyallup, Pierce (9th district) |
| Fairchild Air Force Base Officers Spouses Club, Pediatrics Department Fairchild Air Force Base, Spokane (5th district) |
| Family Medical Center Walla Walla, Walla Walla (5th district) |
| Family Medical Center at Roosevelt, University of Washington Seattle, King (7th district) |
| Group Health Cooperative , Northgate Medical Center Seattle , King (7th district) |
| Group Health Cooperative, Everett Medical Center Everett, Snohomish (2nd district) |
| Group Health Cooperative of Puget Sound, Redmond Medical Center Redmond, King (8th district) |
| | | Satellites: | | | - | Group Health Cooperative of Puget Sound Factoria Clinic Department of Pediatrics Bellevue, King (8th district) |
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| Harborview Medical Center, Children's and Teens Clinic Seattle , King (7th district) |
| | | Satellites: | | | - | Harborview Medical Center, Family Medicine Clinic Seattle, King (7th district) |
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| HealthPoint Renton Renton , King (1st district) |
| | | Satellites: | | | - | HealthPoint Auburn Auburn, King (9th district) | | | - | HealthPoint Federal Way Federal Way, King (9th district) | | | - | HealthPoint Kent Kent, King (9th district) | | | - | HealthPoint SeaTac SeaTac, King (9th district) | | | - | HealthPoint Bothell Bothell, King (1st district) | | | - | HealthPoint Redmond Redmond, King (1st district) |
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| International Community Health Services Seattle, King (7th district) |
| | | Satellites: | | | - | International Community Health Services- Holly Park Clinic Seattle, King (7th district) |
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| Kalispel Tribe of Indians, Camas Medical Clinic Cusick, Pend Oreille (5th district) |
| Lummi Tribal Health Clinic Bellingham, Whatcom (2nd district) |
| Madigan Army Medical Center Tacoma, Pierce (9th district) |
| | | Satellites: | | | - | McChord Air Force Base Medical Clinic-Pediatrics McChord AFB, Pierce (9th district) |
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| Mary Bridge Children's Hospital and Health Center Tacoma , Pierce (6th district) |
| | | Satellites: | | | - | Community Medical Center for Children Tacoma, Pierce (6th district) | | | - | Neurodevelopmental Clinic Tacoma, Pierce (6th district) |
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| Mid-Columbia Family Health Center White Salmon, Klickitat (4th district) |
| | | Satellites: | | | - | Mid-Columbia Family Health Center, Rock Creek Clinic Stevenson, Skamania (3rd district) |
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| Moses Lake Community Health Center Moses Lake, Grant (4th district) |
| Naval Branch Health Clinic Everett Everett, Snohomish (Unknown district) |
| Naval Hospital Bremerton Pediatrics, Pediatric Clinic Bremerton, Kitsap (6th district) |
| | | Satellites: | | | - | Naval Hospital Bremerton-Bangor Clinic Silverdale, Kitsap (1st district) |
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| Nooksack Tribal Clinic Everson, Whatcom (2nd district) |
| Northwest Pediatric Center Centralia, Lewis (3rd district) |
| | | Satellites: | | | - | Northwest Pediatric Center in Rochester Rochester, Thurston (Unknown district) | | | - | Northwest Pediatric Center in Chehalis Chehalis, Lewis (Unknown district) |
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| Oakland Bay Pediatrics Shelton, Mason (6th district) |
| Odessa Brown Children's Clinic Seattle , King (7th district) |
| Pacific Medical Center - Beacon Hill Seattle, King (7th district) |
| Pacific Medical Center Renton Renton, King (9th district) |
| Pacific Medical Centers Federal Way Federal Way , King (9th district) |
| Pediatrics Northwest, P.S., James Center Office Tacoma, Pierce (6th district) |
| Pediatrics Northwest, P.S., Baker Center Office Tacoma, Pierce (6th district) |
| Pediatrics Northwest, PS, Federal Way Office Federal Way, King (9th district) |
| Pediatrics Northwest, PS - Gig Harbor Office Gig Harbor, Pierce (6th district) |
| Peninsula Children's Clinic Port Angeles, Clallam (6th district) |
| | | Satellites: | | | - | Peninsula Children's Clinic, Sequim Sequim, Clallam (6th district) |
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| Peninsula Community Health Services Bremerton, Kitsap (6th district) |
| | | Satellites: | | | - | Peninsula Community Health Services - Poulsbo Poulsbo, Kitsap (1st district) | | | - | Peninsula Community Health Services - Port Orchard Port Orchard, Kitsap (6th district) |
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| Port Gamble S'Klallam Medical Clinic Kingston, Kitsap (1st district) |
| Puyallup Tribal Health Authority, Takopid Health Center Tacoma , Pierce (6th district) |
| Quincy Community Health Center Quincy , Grant (4th district) |
| Sea Mar Community Health Center Seattle Seattle , King (7th district) |
| | | Satellites: | | | - | Sea Mar Community Health Center Burien Burien, King (7th district) | | | - | Sea Mar Community Health Center White Center Seattle, King (7th district) | | | - | Sea Mar Community Health Center Marysville Marysville, Snohomish (2nd district) | | | - | Sea Mar Community Health Center Mt. Vernon Mt. Vernon, Skagit (2nd district) | | | - | Sea Mar Community Health Center Tacoma Tacoma, Pierce (6th district) | | | - | Sea Mar Community Health Center Olympia Olympia, Thurston (3rd district) | | | - | Sea Mar Community Health Center Bellingham Bellingham, Whatcom (2nd district) | | | - | Sea Mar Community Health Center Vancouver Vancouver, Clark (3rd district) | | | - | Sea Mar Community Health Center Puyallup Puyallup, Pierce (8th district) | | | - | Sea Mar Community Health Center Bellevue BELLEVUE, King (8th district) | | | - | Sea Mar Community Health Center Monroe Monroe, Snohomish (1st district) | | | - | Sea Mar Community Health Center Aberdeen Aberdeen, Grays Harbor (6th district) | | | - | Sea Mar Community Health Center Copalis Beach Copalis Beach, Grays Harbor (6th district) | | | - | Sea Mar Community Health Center Everson Everson, Whatcom (2nd district) |
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| Seattle Indian Health Board Seattle, King (7th district) |
| Skagit Pediatrics, LLP Mount Vernon, Skagit (2nd district) |
| Sophie Trettevick Indian Health Center, Makah Tribal Council Neah Bay, Clallam (6th district) |
| St. Mary Physician Group, Department of Family Practice Walla Walla, Walla Walla (5th district) |
| Swedish Family Medicine Cherry Hill Seattle , King (7th district) |
| Tacoma Family Medicine Tacoma, Pierce (6th district) |
| The Ida Karlin Healing Center for Youth Puyallup, Pierce (9th district) |
| The Kids Clinic Spokane, Spokane (5th district) |
| The Vancouver Clinic Vancouver, Clark (3rd district) |
| | | Satellites: | | | - | The Vancouver Clinic 87th Avenue Vancouver, Clark (3rd district) | | | - | The Vancouver Clinic Salmon Creek, Pediatrics Vancouver, Clark (3rd district) | | | - | The Vancouver Clinic Battle Ground, Family Medicine Battle Ground, Clark (3rd district) |
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| Treehouse Pediatrics Eastsound, San Juan (2nd district) |
| Tulalip Health Clinic Tulalip, Snohomish (2nd district) |
| University of Washington Medical Center, Roosevelt Pediatric Care Center Seattle, King (7th district) |
| University of Washington Medicine- Kent/Des Moines Kent, King (9th district) |
| University of Washington Pediatric Dental Clinic Seattle , King (7th district) |
| Valley Family Medicine Renton, King (9th district) |
| Walla Walla Clinic, Department of Pediatrics Walla Walla, Walla Walla (5th district) |
| Yakama Indian Health Center, Portland Area IHS Toppenish, Yakima (4th district) |
| Yakima Neighborhood Health Services Yakima , Yakima (4th district) |
| | | Satellites: | | | - | Kidscreen Yakima, Yakima (4th district) |
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| Yakima Valley Farm Workers Clinic Toppenish, Yakima (4th district) |
| | | Satellites: | | | - | Valley Vista Medical Center Prosser, Benton (4th district) | | | - | Lincoln Avenue Medical Clinic Yakima, Yakima (4th district) | | | - | Grandview Medical Center Grandview, Yakima (4th district) | | | - | Yakima Medical-Dental Clinic Yakima, Yakima (4th district) |
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