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Medicare Advantage plans changing or leaving Washington counties for 2027

Across 39 Washington counties, 636 Medicare Advantage plans are leaving for 2027 and 400 are changing. Pick your county for its numbers.

636Leavingoffered last year, not this year
400Changingoffered both years, listing differs
1,036Totalplans leaving or changing
These counts come from comparing the two official CMS Medicare Advantage Landscape files for 2026 and 2027. A plan counts as leaving when it was offered in the county for 2026 and is not offered there for 2027. A plan counts as changing when it is offered in both years but its 2027 listing differs on something a member would notice: the premium, the drug deductible, the plan type, or the plan name. Only the counts are shown here. This page does not name plans, list premiums or benefits, or recommend anything.
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2027 PLAN ALERT

Medicare Advantage plans in your area are changing or leaving for 2027.

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Annual Enrollment: Oct 15 – Dec 7

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BEFORE YOU ENROLL

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  • Your doctors — confirmed in-network for 2027
  • Your prescriptions — checked against the plan's 2027 drug tiers
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Washington counties, most changes first

CountyLeavingChangingTotal
Clark County302454
Pierce County262551
Snohomish County312051
King County272148
Thurston County262248
Cowlitz County241640
Kitsap County211839
Skagit County281139
Spokane County211839
Lewis County181533
Mason County191332
Whatcom County22931
Island County201030
Jefferson County19928
Franklin County18725
Benton County16824
Douglas County15823
Wahkiakum County121123
Walla Walla County16723
Yakima County16622
Chelan County14721
Grant County14721
Okanogan County14721
Skamania County12921
Clallam County16420
Columbia County12820
Garfield County12820
Pend Oreille County12820
San Juan County12719
Adams County12618
Ferry County12618
Pacific County11718
Kittitas County9817
Lincoln County9817
Grays Harbor County9615
Klickitat County8513
Whitman County9413
Stevens County7411
Asotin County7310

What to do before December 7

If you are in a Medicare Advantage plan today, your plan must send you an Annual Notice of Change by September 30 that spells out exactly what is different for 2027. Read it before the Annual Enrollment Period, which runs October 15 through December 7.

If your plan is leaving your county, you will get a separate notice and a Special Enrollment Period to choose new coverage. If you do nothing, you may be returned to Original Medicare without drug coverage, so it is worth acting during the window.

A licensed agent can check your doctors and prescriptions against the plans that will actually operate in your county next year. For unbiased help, contact Medicare.gov, 1-800-MEDICARE, or your State Health Insurance Assistance Program (SHIP).

Good to know

Frequently asked questions

Why do the numbers differ so much from county to county?
Medicare Advantage plans are approved county by county, so a plan can leave one county and stay in the next. Each county's count reflects only the plans approved for that county.
What does “changing” mean for 2027?
A plan offered in both 2026 and 2027 whose 2027 listing differs on premium, drug deductible, plan type, or plan name. The count is neutral: it does not say whether a change helps or hurts any particular member.
Do you list which plans are leaving?
No. We publish area-level counts only, never plan names, premiums or benefits. Your Annual Notice of Change, Medicare.gov, 1-800-MEDICARE, or a licensed agent can tell you about a specific plan.
Sources & further reading

For personalized answers, contact Medicare.gov, 1-800-MEDICARE, or your local SHIP.

Medicare plans in your area changing for 2027 — check yoursCall