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Washington — 2026 Medicare Advantage plans by county

Contract year 2026 · data updated October 01, 2026

County-by-county count of individual Medicare Advantage plan segments filed with CMS for 2026. A filing is one plan segment available in one county. Open a county for the full plan table.

39counties
1,520county-plan filings +56 vs prior year
755$0-premium filings +247 vs prior year
14parent organizations
Franklin County — 39 plans · 20 at $0 premium · 7 carriersJefferson County — 43 plans · 21 at $0 premium · 7 carriersKlickitat County — 18 plans · 8 at $0 premium · 5 carriersClark County — 76 plans · 39 at $0 premium · 12 carriersWalla Walla County — 36 plans · 19 at $0 premium · 7 carriersPacific County — 28 plans · 13 at $0 premium · 6 carriersDouglas County — 33 plans · 16 at $0 premium · 6 carriersSan Juan County — 29 plans · 14 at $0 premium · 6 carriersMason County — 44 plans · 20 at $0 premium · 7 carriersGrant County — 29 plans · 15 at $0 premium · 6 carriersThurston County — 65 plans · 35 at $0 premium · 10 carriersPierce County — 73 plans · 38 at $0 premium · 12 carriersSkagit County — 56 plans · 28 at $0 premium · 9 carriersGrays Harbor County — 18 plans · 7 at $0 premium · 5 carriersIsland County — 42 plans · 21 at $0 premium · 6 carriersColumbia County — 31 plans · 15 at $0 premium · 6 carriersLincoln County — 28 plans · 12 at $0 premium · 6 carriersKing County — 68 plans · 33 at $0 premium · 10 carriersKittitas County — 28 plans · 11 at $0 premium · 6 carriersKitsap County — 61 plans · 33 at $0 premium · 9 carriersStevens County — 17 plans · 10 at $0 premium · 4 carriersAsotin County — 14 plans · 6 at $0 premium · 4 carriersGarfield County — 31 plans · 15 at $0 premium · 6 carriersCowlitz County — 61 plans · 32 at $0 premium · 9 carriersChelan County — 29 plans · 15 at $0 premium · 6 carriersWahkiakum County — 39 plans · 18 at $0 premium · 8 carriersLewis County — 47 plans · 21 at $0 premium · 7 carriersBenton County — 38 plans · 19 at $0 premium · 7 carriersYakima County — 31 plans · 11 at $0 premium · 6 carriersSpokane County — 59 plans · 37 at $0 premium · 11 carriersClallam County — 27 plans · 12 at $0 premium · 5 carriersFerry County — 25 plans · 13 at $0 premium · 5 carriersPend Oreille County — 32 plans · 15 at $0 premium · 6 carriersWhatcom County — 45 plans · 23 at $0 premium · 6 carriersAdams County — 26 plans · 13 at $0 premium · 5 carriersSkamania County — 35 plans · 17 at $0 premium · 7 carriersWhitman County — 19 plans · 8 at $0 premium · 5 carriersOkanogan County — 29 plans · 15 at $0 premium · 6 carriersSnohomish County — 71 plans · 37 at $0 premium · 10 carriers
MA plans filed per county, 202614–2728–3132–3940–5960–76none filedClick or tap a county

CountyPlans$0 premiumMedian MOOPCarriersComp. dentalOTC
Adams26 +2 vs prior year13$9,25052619
Asotin14 −2 vs prior year6$9,25041411
Benton38 +2 vs prior year19$9,22573226
Chelan29 +4 vs prior year15$9,25062820
Clallam27 −3 vs prior year12$9,25052218
Clark76 −2 vs prior year39$6,750125950
Columbia31 +2 vs prior year15$9,25063125
Cowlitz61 −1 vs prior year32$6,75095142
Douglas33 +2 vs prior year16$9,25063326
Ferry25 +2 vs prior year13$9,25052519
Franklin39 +2 vs prior year20$9,20073227
Garfield31 +2 vs prior year15$9,25063125
Grant29 +4 vs prior year15$9,25062820
Grays Harbor18 −2 vs prior year7$9,25051410
Island42 +1 vs prior year21$7,62563226
Jefferson43 +3 vs prior year21$9,20073830
King68 −1 vs prior year33$6,750105343
Kitsap61 unchanged vs prior year33$6,75094941
Kittitas28 +1 vs prior year11$9,25062823
Klickitat18 +5 vs prior year8$9,25051815
Lewis47 +1 vs prior year21$9,15073730
Lincoln28 −1 vs prior year12$9,25062824
Mason44 +1 vs prior year20$9,17573528
Okanogan29 +5 vs prior year15$9,25062820
Pacific28 +6 vs prior year13$9,25062822
Pend Oreille32 +2 vs prior year15$9,25063225
Pierce73 +6 vs prior year38$6,750125948
San Juan29 +2 vs prior year14$9,25062924
Skagit56 +5 vs prior year28$6,82594637
Skamania35 +4 vs prior year17$9,25073528
Snohomish71 −4 vs prior year37$6,750105443
Spokane59 −1 vs prior year37$6,900114741
Stevens17 +5 vs prior year10$9,25041711
Thurston65 +1 vs prior year35$6,750105040
Wahkiakum39 +4 vs prior year18$9,25083628
Walla Walla36 +1 vs prior year19$9,22573024
Whatcom45 unchanged vs prior year23$6,75063630
Whitman19 unchanged vs prior year8$9,25051916
Yakima31 −2 vs prior year11$9,20062620

Click a column header to sort. "Comp. dental" and "OTC" count plans whose bid reports the benefit. A state-level CSV of this table is part of Pro.