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Medicare Supplement Plan K in King County, WA
2 insurers sell Plan K in King County, and every one of them pays exactly the same Plan K benefits. What differs is the premium, discounts and service, so it pays to compare.
Insurers selling Medicare Supplement Plan K in King County
- Regence BlueShield
- UnitedHealthcare (AARP) (AARP membership required)
Not sold here: Regence BlueCross BlueShield of Oregon and Asuris. Plan K caps your yearly out-of-pocket at $8,000 (2026) and pays half of most costs until then.
Plan K by town in King County
- Seattle
- Bellevue
- Kent
- Renton
- Federal Way
- Kirkland
- Redmond
- Sammamish
- Shoreline
- Burien
- Issaquah
- SeaTac
- Des Moines
- Maple Valley
- Mercer Island
- Kenmore
- Tukwila
- Covington
- Woodinville
- Snoqualmie
- Lake Forest Park
- Newcastle
- Duvall
- North Bend
- Black Diamond
- Normandy Park
- Algona
- Clyde Hill
- Medina
- Carnation
- Yarrow Point
- Hunts Point
- Beaux Arts Village
- Skykomish
- Ames Lake
- Baring
- Boulevard Park
- Bryn Mawr-Skyway
- Cottage Lake
- East Renton Highlands
- Fairwood
- Fall City
- Greenwater
- High Bridge
- Hobart
- Lake Holm
- Lakeland North
- Lakeland South
- Lake Marcel-Stillwater
- Lake Morton-Berrydale
- Maple Heights-Lake Desire
- Mirrormont
- Ravensdale
- Riverbend
- Riverpoint
- Shadow Lake
- Union Hill-Novelty Hill
- Vashon
- White Center
- Wilderness Rim
Other plans in King County: Plan G, Plan N, High-deductible Plan G, Plan A, Plan F. Statewide: Plan K in Washington.
Common questions
Which insurers sell Plan K in King County?
2: Regence BlueShield, UnitedHealthcare (AARP) (OIC chart current as of October 8, 2026).