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  1. 🏠
  2. Medicare Advantage Plans
  3. Washington

2027 Medicare Advantage Plans in Washington by County

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Explore 2027 Medicare Advantage plans in Washington, including statewide plan availability, monthly premiums, maximum out-of-pocket limits, and CMS star ratings. Compare the most-enrolled PPO, HMO, and other options where available, or select a County to research plans offered in your local area.

Explore Plans in your area using your ZIP Code

Adams
Asotin
Benton
Chelan
Clallam
Clark
Columbia
Cowlitz
Douglas
Ferry
Franklin
Garfield
Grant
Grays Harbor
Island
Jefferson
King
Kitsap
Kittitas
Klickitat
Lewis
Lincoln
Mason
Okanogan
Pacific
Pend Oreille
Pierce
San Juan
Skagit
Skamania
Snohomish
Spokane
Stevens
Thurston
Wahkiakum
Walla Walla
Whatcom
Whitman
Yakima

Washington Medicare Advantage Plan Research and Facts

In 2027, Medicare beneficiaries in Washington can explore 71 Medicare Advantage plans (excluding Special Needs Plans), although availability varies by county. Of these plans, 44 offer a $0 monthly plan premium, while the statewide average premium is $37.87. The average maximum out-of-pocket (MOOP) limit is $6,751.41, and rated plans have an average CMS star rating of 4.06 out of 5. The sections below organize these plans by network type, with comparisons based on costs, ratings, and reported enrollment.

Enrollment figures reflect reported beneficiary participation and should not be interpreted as a measure of plan quality or suitability. Enrollment is influenced by factors such as local plan availability, market competition, and historical participation. Higher enrollment does not necessarily indicate a better plan.

  • Top PPO Plans
  • Top HMO Plans
  • Top HMO-POS Plans
  • Data Sources & Methodology

Most-Enrolled PPO Plans in Washington

For 2027, Washington has 22 PPO Medicare Advantage plans, including 11 with a $0 monthly plan premium. The average monthly premium is $52.39, and the average maximum out-of-pocket (MOOP) limit is $7,340.91. Among rated PPO plans, the average CMS star rating is 3.93 out of 5. The following table identifies up to 10 PPO plans with the highest reported statewide enrollment.

10 Most-Enrolled PPO Medicare Advantage Plans in Washington (2027) — Washington, 2027
Provider Plan ID Plan Name Premium MOOP Stars Enrollment
Aetna MedicareH5521-431-0Aetna Medicare Signature$0.00$8,9004.0 / 522,610
HumanaH5216-428-1Humana Value Choice$0.00$6,0504.0 / 58,672
Regence BlueShieldH5009-002-0Regence MedAdvantage + Rx Enhanced$201.00$6,9004.0 / 55,153
Regence BlueCross BlueShield of OregonH3817-011-3Regence MedAdvantage + Rx Primary$105.00$7,1503.5 / 53,372
HumanaH5216-427-1Humana USAA Honor Giveback$0.00$9,1504.0 / 53,275
HumanaH7617-021-0Humana USAA Honor Giveback$0.00$9,1504.5 / 53,105
HumanaH5216-455-0Humana USAA Honor Giveback$0.00$5,1004.0 / 52,786
Devoted HealthH8917-002-0DEVOTED CHOICE GIVEBACK 002 WA$0.00$9,850Not Rated2,705
Regence BlueCross BlueShield of OregonH3817-008-4Regence MedAdvantage + Rx Classic$160.00$6,7003.5 / 52,590
HumanaH5216-048-0HumanaChoice H5216-048$97.00$7,0004.0 / 52,188

Most-Enrolled HMO Plans in Washington

HMO Medicare Advantage plans account for 39 of the plans offered across Washington in 2027. Of these, 28 have a $0 monthly plan premium. The average monthly premium is $31.67, with an average maximum out-of-pocket (MOOP) limit of $6,479.49. Rated HMO plans average 4.27 CMS stars out of 5. Below are the 10 most-enrolled HMO plans, or all available plans if fewer than 10 qualify.

10 Most-Enrolled HMO Medicare Advantage Plans in Washington (2027) — Washington, 2027
Provider Plan ID Plan Name Premium MOOP Stars Enrollment
HumanaH5619-057-0Humana Gold Plus H5619-057$0.00$5,9004.0 / 517,359
HumanaH5619-133-0Humana Total Complete$0.00$6,3104.0 / 513,638
Kaiser PermanenteH5050-024-0Kaiser Permanente Medicare Advantage Essential Kng$82.00$4,9504.5 / 513,439
HumanaH1036-321-0Humana Gold Plus H1036-321$0.00$5,9004.5 / 510,968
Kaiser PermanenteH5050-028-0Kaiser Permanente Medicare Advantage Key King$0.00$6,7504.5 / 56,617
Kaiser PermanenteH5050-021-0Kaiser Permanente Medicare Advantage Centennial$0.00$6,6004.5 / 55,651
Aetna MedicareH3748-003-0Aetna Medicare Signature$0.00$7,1503.5 / 54,358
Kaiser PermanenteH5050-025-0Kaiser Permanente Medicare Advantage Essential Pce$82.00$4,9504.5 / 54,283
Kaiser PermanenteH5050-032-0Kaiser Permanente Medicare Advantage Vital Sound$55.00$6,5004.5 / 54,207
Kaiser PermanenteH5050-026-0Kaiser Permanente Medicare Advantage Essential Sno$82.00$4,9504.5 / 54,173

Most-Enrolled HMO-POS Plans in Washington

In 2027, Washington offers 10 HMO-POS Medicare Advantage plans, which may allow certain out-of-network services under plan-specific rules. Among these plans, 5 have a $0 monthly premium. The average monthly premium is $30.10, and the average maximum out-of-pocket (MOOP) limit is $6,515.00. The average CMS star rating among rated HMO-POS plans is 3.8 out of 5. The table below ranks up to 10 plans by reported statewide enrollment.

10 Most-Enrolled HMO-POS Medicare Advantage Plans in Washington (2027) — Washington, 2027
Provider Plan ID Plan Name Premium MOOP Stars Enrollment
UnitedHealthcareH3805-044-0AARP Medicare Advantage from UHC WA-14$35.00$7,1503.5 / 569,785
UnitedHealthcareH3805-032-0AARP Medicare Advantage from UHC WA-7$0.00$6,7003.5 / 538,632
UnitedHealthcareH3805-033-0AARP Medicare Advantage from UHC WA-8$0.00$7,1503.5 / 513,553
UnitedHealthcareH3805-015-0AARP Medicare Advantage from UHC WA-0005$55.00$6,7003.5 / 513,088
UnitedHealthcareH3805-017-0AARP Medicare Advantage from UHC WA-6$0.00$7,1503.5 / 511,803
UnitedHealthcareH3805-045-0AARP Medicare Advantage from UHC WA-15$28.00$7,1503.5 / 58,495
Kaiser PermanenteH9003-006-0Kaiser Permanente Senior Advantage Standard$49.00$5,2504.5 / 57,979
Kaiser PermanenteH9003-001-0Kaiser Permanente Senior Advantage Enhanced$134.00$4,0004.5 / 57,969
Kaiser PermanenteH9003-009-0Kaiser Permanente Senior Advantage Value$0.00$6,7504.5 / 57,289
UnitedHealthcareH3805-035-0AARP Medicare Advantage Patriot No Rx WA-MA02$0.00$7,1503.5 / 52,225
  • CMS.gov, Medicare Advantage & Special Needs Plan Landscape Source Files — Version: 202609
  • CMS.gov, Medicare Part C & D Performance Data — Version: 2026
  • CMS.gov, Medicare Advantage & Part D Contract and Enrollment Data — Version: 2026-09

MedicarePlans.com is an independent, non-government informational resource and is not affiliated with or endorsed by the U.S. Government or the federal Medicare program.

Data sources and methodology documentation.

Data provenance is documented in accordance with the U.S. Core Data for Interoperability (USCDI) Provenance standard.

Page content independently curated and maintained by David W. Bynon, Editorial Steward, using a standardized, data-driven methodology for accurate, non-commercial Medicare plan interpretation and resolution.

Last updated on October 16, 2026

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