Medicare Advantage plans in King, WA, 2027
King, Washington has 30 Medicare Advantage plans open to everyone for 2027 (37 in 2026) and 29 special needs plans, according to the CMS landscape files; 18 of the open plans have a $0 premium. 22 plans that served the county in 2026 end or leave it, with 26,137 members living here in September 2026.
What changes in King for 2027?
| In the county | 2026 | 2027 | Change |
|---|---|---|---|
| Plans open to everyone | 37 | 30 | ▼down 7 |
| Special needs plans | 31 | 29 | ▼down 2 |
| Plans with a $0 premium | 21 | 18 | ▼down 3 |
| Plans that lower the Part B premium | 12 | 9 | ▼down 3 |
| Median out-of-pocket limit | $6,700 | $6,950 | ▲up $250 |
Source: CMS Medicare Advantage and Part D landscape files for 2027 (Sept. 22, 2026, revised Sept. 30) and 2026 (Sept. 2, 2026 revision); CMS plan benefit package files, 2027 and 2026.
Which plans can anyone in King join?
| Plan | Premium | Out-of-pocket limit | Part B reduction | 2026 stars |
|---|---|---|---|---|
| Humana USAA Honor GivebackH5216-455 · PPO | $0 | $5,100 | $43 | 3.5 of 5 |
| Aetna Medicare EagleH3748-019 · HMO | $0 | $5,500 | $50 | 3 of 5 |
| Humana Gold PlusH1036-321 · HMO | $0 | $5,900 | none | 4.5 of 5 |
| Humana Gold PlusH5619-057 · HMO | $0 | $5,900 | none | 3 of 5 |
| Humana Value ChoiceH5216-428 · PPO | $0 | $6,050 | none | 3.5 of 5 |
| Devoted Core 001 WAH3515-001 · HMO | $0 | $6,550 | none | not rated |
| AARP Medicare Advantage from UHC WA-7H3805-032 · HMO-POS | $0 | $6,700 | none | 3.5 of 5 |
| Kaiser Permanente Medicare Advantage Key KingH5050-028 · HMO | $0 | $6,750 | none | 4 of 5 |
| AARP Medicare Advantage Patriot No RX WA-MA3H2001-148 · PPO | $0 | $7,150 | $140 | 4.5 of 5 |
| Aetna Medicare SignatureH3748-003 · HMO | $0 | $7,150 | none | 3 of 5 |
| AARP Medicare Advantage from UHC WA-6H3805-017 · HMO-POS | $0 | $7,150 | none | 3.5 of 5 |
| AARP Medicare Advantage Patriot No Rx WA-MA02H3805-035 · HMO-POS | $0 | $7,150 | $135 | 3.5 of 5 |
| Aetna Medicare EagleH5521-330 · PPO | $0 | $7,150 | $85 | 4.5 of 5 |
| Devoted Giveback Extras 022 WAH3515-022 · HMO | $0 | $8,300 | $75 | not rated |
| Aetna Medicare SignatureH5521-431 · PPO | $0 | $8,900 | none | 4.5 of 5 |
| Humana USAA Honor GivebackH5216-427 · PPO | $0 | $9,150 | $150 | 3.5 of 5 |
| Humana USAA Honor GivebackH7617-021 · PPO | $0 | $9,150 | $100 | 4.5 of 5 |
| Devoted Giveback 002 WAH3515-002 · HMO | $0 | $9,850 | $118 | not rated |
| AARP Medicare Advantage from UHC WA-18H2001-146 · PPO | $10 | $7,150 | none | 4.5 of 5 |
| AARP Medicare Advantage from UHC WA-14H3805-044 · HMO-POS | $35 | $7,150 | none | 3.5 of 5 |
Show the other 10 plans, by premium
| Plan | Premium | Out-of-pocket limit | Part B reduction | 2026 stars |
|---|---|---|---|---|
| AARP Medicare Advantage from UHC WA-0005H3805-015 · HMO-POS | $55 | $6,700 | none | 3.5 of 5 |
| Aetna Medicare EnhancedH5521-687 · PPO | $63 | $7,500 | none | 4.5 of 5 |
| Kaiser Permanente Medicare Advantage Essential KngH5050-024 · HMO | $82 | $4,950 | none | 4 of 5 |
| Humana Gold PlusH5619-061 · HMO | $86 | $4,200 | none | 3 of 5 |
| HumanaChoiceH5216-048 · PPO | $97 | $7,000 | none | 3.5 of 5 |
| Kaiser Permanente Medicare Advantage BasicH5050-001 · HMO | $106 | $4,200 | none | 4 of 5 |
| HumanaChoiceH7617-016 · PPO | $110 | $7,000 | none | 4.5 of 5 |
| Regence BlueAdvantage HMOH1997-014 · HMO | $188 | $5,900 | none | 4 of 5 |
| Regence MedAdvantage + Rx EnhancedH5009-002 · PPO | $201 | $6,900 | none | 3 of 5 |
| Kaiser Permanente Medicare Advantage OptimalH5050-004 · HMO | $373 | $3,150 | none | 4 of 5 |
Source: CMS Medicare Advantage and Part D landscape files for 2027 (Sept. 22, 2026, revised Sept. 30) and 2026 (Sept. 2, 2026 revision); CMS plan benefit package files, 2027 and 2026. Stars are the contract's 2026 rating. confirm on Medicare Plan Finder.
Which plans leave King in 2027?
Members of these plans here choose a 2027 plan during open enrollment, October 15 to December 7, 2026; choosing by December 31 means no gap; because their plan is leaving the county, they can still join until the end of February 2027, with coverage from the first of the next month. Each plan's page says what happens to its members.
Source: CMS plan crosswalk from 2026 to 2027 (Oct. 1, 2026); CMS monthly enrollment by plan and by county, September 2026 (CMS hides counts under 11); CMS Medicare Advantage and Part D landscape files for 2027 (Sept. 22, 2026, revised Sept. 30) and 2026 (Sept. 2, 2026 revision).
Which special needs plans are sold here?
Open only to people with Medicaid as well as Medicare, with certain chronic conditions, or living in an institution.
| Plan | Who can join | Premium |
|---|---|---|
| Humana Gold Plus: Diabetes and HeartH1036-306 | Chronic or Disabling Condition | $0 |
| UHC Dual Advantage WA-V1H5008-015 | Dual-Eligible | $0 |
| Devoted C-SNP Enhanced 003 WAH3515-003 | Chronic or Disabling Condition | $0 |
| Aetna Medicare Chronic CareH3748-020 | Chronic or Disabling Condition | $0 |
| Devoted C-SNP Giveback Extras 004 WAH3515-004 | Chronic or Disabling Condition | $0 |
| Wellcare Coordinated Care Dual Liberty SyncH0029-007 | Dual-Eligible | $0 |
| Wellcare Coordinated Care Dual AccessH0029-008 | Dual-Eligible | $0 |
| UHC Nursing Home Plan WA-F001H0710-031 | Institutional | $0 |
| Humana Gold Plus SNP-DEH1036-325 | Dual-Eligible | $0 |
| AgeRight Advantage Health PlanH1372-001 | Institutional | $0 |
| UHC Dual Complete WA-Q1H2001-079 | Dual-Eligible | $0 |
| UHC Dual Complete WA-S2H2001-081 | Dual-Eligible | $0 |
| Devoted C-SNP Plus 005 WAH3515-005 | Chronic or Disabling Condition | $0 |
| UHC Complete Care Support WA-1AH3805-049 | Chronic or Disabling Condition | $0 |
| UHC Complete Care Support WA-3AH3805-051 | Chronic or Disabling Condition | $0 |
| UHC Dual Complete WA-Q2H5008-019 | Dual-Eligible | $0 |
| UHC Dual Complete WA-S4H5008-020 | Dual-Eligible | $0 |
| Humana Dual SelectH5619-165 | Dual-Eligible | $0 |
| Humana Dual SelectH5619-166 | Dual-Eligible | $0 |
| UHC Care Advantage WA-E001H0710-030 | Institutional | $6.30 |
Show the other 9 special needs plans
| Plan | Who can join | Premium |
|---|---|---|
| UHC Dual Advantage WA-V2H2001-080 | Dual-Eligible | $6.30 |
| Molina Medicare Complete CareH5823-013 | Dual-Eligible | $6.30 |
| Community Health Plan of WA Dual CompleteH5826-014 | Dual-Eligible | $6.30 |
| Community Health Plan of WA Dual SelectH5826-017 | Dual-Eligible | $6.30 |
| Wellpoint Full Dual AdvantageH8849-015 | Dual-Eligible | $6.30 |
| Wellpoint Dual AdvantageH8849-016 | Dual-Eligible | $6.30 |
| Wellpoint Dual Advantage PlusH8849-017 | Dual-Eligible | $6.30 |
| Molina Medicare ElectH5823-015 | Dual-Eligible | $8.10 |
| AgeRight Advantage Plus Health PlanH1372-002 | Institutional | $74 |
Source: CMS Medicare Advantage and Part D landscape files for 2027 (Sept. 22, 2026, revised Sept. 30) and 2026 (Sept. 2, 2026 revision).
How many people in King use Medicare Advantage?
198,464 of the county's 369,217 people with Medicare were in a Medicare Advantage plan in September 2026, 53.8%; in Washington as a whole the share is 49.7%.
Source: CMS Medicare Advantage state and county penetration, September 2026.
What else should you check?
- Medicare Advantage in WashingtonEvery county of the state
- 8 stand-alone drug plans in WashingtonIf you keep Original Medicare
- Is your plan ending?Every plan not offered in 2027