Medicare Advantage plans in King County, WA: what changed for 2027
For 2027, King County in Washington has 22 Medicare Advantage plans that include drug coverage, compared with 30 in 2026, according to the CMS plan landscape files.
Advantage plans with drug coverage22-8 from 2026
Advantage plans without drug coverage8+1 from 2026
Special Needs Plans29-2 from 2026
$0 premium plans with drug coverage11-4 from 2026
Median out-of-pocket limit$6,8252026: $6,700
Plans rated 4 stars or more13+2 from 2026
Companies no longer offering Advantage plans here in 2027
- Centene Corporation
If you are in one of their plans, you should have received a notice. You can choose a new plan during Open Enrollment, and special enrollment rules can apply when a plan leaves your area.
Companies newly offering Advantage plans here in 2027
- Devoted Health, Inc.
15 Advantage plan IDs (not counting Special Needs or Cost plans) listed here for 2026 are not in the 2027 file and 8 plan IDs are new. Some of these are the same plan renamed or merged, so check the Annual Notice of Change from your plan.
How many people here are in Medicare Advantage
In October 2026, 198,653 of the 370,069 people eligible for Medicare in King County were enrolled in a Medicare Advantage or other Medicare health plan, 53.7%. A year earlier it was 196,160 of 360,594 (54.4%).
CMS counts enrollees in all Medicare health plans, including Advantage, cost and PACE plans, by the county where they live.
Before you choose a plan
Compare plans for your ZIP code, drugs and doctors on the official Medicare Plan Finder, or call 1-800-MEDICARE (1-800-633-4227). Free, unbiased counselling is available from your State Health Insurance Assistance Program at shiphelp.org.
Advantage plans with drug coverage for 2027 (22)
| Plan | Company | Type | Monthly premium | In-network out-of-pocket limit | Star rating |
|---|---|---|---|---|---|
| AARP Medicare Advantage from UHC WA-6 (HMO-POS) | UnitedHealthcare | HMO-POS | $0 | $7,150 | 3.5 of 5 |
| AARP Medicare Advantage from UHC WA-7 (HMO-POS) | UnitedHealthcare | HMO-POS | $0 | $6,700 | 3.5 of 5 |
| Aetna Medicare Signature (HMO) | Aetna Medicare | HMO | $0 | $7,150 | 3.5 of 5 |
| Aetna Medicare Signature (PPO) | Aetna Medicare | PPO | $0 | $8,900 | 4 of 5 |
| DEVOTED CORE 001 WA (HMO) | Devoted Health | HMO | $0 | $6,550 | Plan Too New To Be Measured |
| DEVOTED GIVEBACK 002 WA (HMO) | Devoted Health | HMO | $0 | $9,850 | Plan Too New To Be Measured |
| DEVOTED GIVEBACK EXTRAS 022 WA (HMO) | Devoted Health | HMO | $0 | $8,300 | Plan Too New To Be Measured |
| Humana Gold Plus H1036-321 (HMO) | Humana | HMO | $0 | $5,900 | 4.5 of 5 |
| Humana Gold Plus H5619-057 (HMO) | Humana | HMO | $0 | $5,900 | 4 of 5 |
| Humana Value Choice (PPO) | Humana | PPO | $0 | $6,050 | 4 of 5 |
| Kaiser Permanente Medicare Advantage Key King (HMO) | Kaiser Permanente | HMO | $0 | $6,750 | 4.5 of 5 |
| AARP Medicare Advantage from UHC WA-18 (PPO) | UnitedHealthcare | PPO | $10.00 | $7,150 | 4.5 of 5 |
| AARP Medicare Advantage from UHC WA-14 (HMO-POS) | UnitedHealthcare | HMO-POS | $35.00 | $7,150 | 3.5 of 5 |
| AARP Medicare Advantage from UHC WA-0005 (HMO-POS) | UnitedHealthcare | HMO-POS | $55.00 | $6,700 | 3.5 of 5 |
| Aetna Medicare Enhanced (PPO) | Aetna Medicare | PPO | $63.00 | $7,500 | 4 of 5 |
| Kaiser Permanente Medicare Advantage Essential Kng (HMO) | Kaiser Permanente | HMO | $82.00 | $4,950 | 4.5 of 5 |
| Humana Gold Plus H5619-061 (HMO) | Humana | HMO | $86.00 | $4,200 | 4 of 5 |
| HumanaChoice H5216-048 (PPO) | Humana | PPO | $97.00 | $7,000 | 4 of 5 |
| HumanaChoice H7617-016 (PPO) | Humana | PPO | $110.00 | $7,000 | 4.5 of 5 |
| Regence BlueAdvantage HMO (HMO) | Regence BlueShield | HMO | $188.00 | $5,900 | Not Enough Data Available |
| Regence MedAdvantage + Rx Enhanced (PPO) | Regence BlueShield | PPO | $201.00 | $6,900 | 4 of 5 |
| Kaiser Permanente Medicare Advantage Optimal (HMO) | Kaiser Permanente | HMO | $373.00 | $3,150 | 4.5 of 5 |
Advantage plans without drug coverage for 2027 (8)
| Plan | Company | Type | Monthly premium | In-network out-of-pocket limit | Star rating |
|---|---|---|---|---|---|
| AARP Medicare Advantage Patriot No RX WA-MA3 (PPO) | UnitedHealthcare | PPO | Not listed | $7,150 | 4.5 of 5 |
| AARP Medicare Advantage Patriot No Rx WA-MA02 (HMO-POS) | UnitedHealthcare | HMO-POS | Not listed | $7,150 | 3.5 of 5 |
| Aetna Medicare Eagle (HMO) | Aetna Medicare | HMO | Not listed | $5,500 | 3.5 of 5 |
| Aetna Medicare Eagle (PPO) | Aetna Medicare | PPO | Not listed | $7,150 | 4 of 5 |
| Humana USAA Honor Giveback (PPO) | Humana | PPO | Not listed | $9,150 | 4 of 5 |
| Humana USAA Honor Giveback (PPO) | Humana | PPO | Not listed | $5,100 | 4 of 5 |
| Humana USAA Honor Giveback (PPO) | Humana | PPO | Not listed | $9,150 | 4.5 of 5 |
| Kaiser Permanente Medicare Advantage Basic (HMO) | Kaiser Permanente | HMO | Not listed | $4,200 | 4.5 of 5 |
Special Needs Plans for 2027 (29)
| Plan | Company | Type | Monthly premium | In-network out-of-pocket limit | Star rating |
|---|---|---|---|---|---|
| Aetna Medicare Chronic Care (HMO C-SNP) | Aetna Medicare | HMO C-SNP · Chronic or Disabling Condition | $0 | $7,150 | 3.5 of 5 |
| AgeRight Advantage Health Plan (HMO I-SNP) | AgeRight Advantage | HMO I-SNP · Institutional | $0 | $9,850 | Not Enough Data Available |
| DEVOTED C-SNP ENHANCED 003 WA (HMO C-SNP) | Devoted Health | HMO C-SNP · Chronic or Disabling Condition | $0 | $7,050 | Plan Too New To Be Measured |
| DEVOTED C-SNP GIVEBACK EXTRAS 004 WA (HMO C-SNP) | Devoted Health | HMO C-SNP · Chronic or Disabling Condition | $0 | $8,300 | Plan Too New To Be Measured |
| DEVOTED C-SNP PLUS 005 WA (HMO C-SNP) | Devoted Health | HMO C-SNP · Chronic or Disabling Condition | $0 | $9,850 | Plan Too New To Be Measured |
| Humana Dual Select H5619-165 (HMO D-SNP) | Humana | HMO D-SNP · Dual-Eligible | $0 | $9,850 | 4 of 5 |
| Humana Dual Select H5619-166 (HMO D-SNP) | Humana | HMO D-SNP · Dual-Eligible | $0 | $9,850 | 4 of 5 |
| Humana Gold Plus - Diabetes and Heart (HMO C-SNP) | Humana | HMO C-SNP · Chronic or Disabling Condition | $0 | $4,550 | 4.5 of 5 |
| Humana Gold Plus SNP-DE H1036-325 (HMO D-SNP) | Humana | HMO D-SNP · Dual-Eligible | $0 | $9,850 | 4.5 of 5 |
| UHC Complete Care Support WA-1A (HMO-POS C-SNP) | UnitedHealthcare | HMO-POS C-SNP · Chronic or Disabling Condition | $0 | $9,850 | 3.5 of 5 |
| UHC Complete Care Support WA-3A (HMO-POS C-SNP) | UnitedHealthcare | HMO-POS C-SNP · Chronic or Disabling Condition | $0 | $9,850 | 3.5 of 5 |
| UHC Dual Advantage WA-V1 (HMO-POS D-SNP) | UnitedHealthcare | HMO-POS D-SNP · Dual-Eligible | $0 | $6,700 | 3.5 of 5 |
| UHC Dual Complete WA-Q1 (PPO D-SNP) | UnitedHealthcare | PPO D-SNP · Dual-Eligible | $0 | $9,850 | 4.5 of 5 |
| UHC Dual Complete WA-Q2 (HMO-POS D-SNP) | UnitedHealthcare | HMO-POS D-SNP · Dual-Eligible | $0 | $9,850 | 3.5 of 5 |
| UHC Dual Complete WA-S2 (PPO D-SNP) | UnitedHealthcare | PPO D-SNP · Dual-Eligible | $0 | $9,850 | 4.5 of 5 |
| UHC Dual Complete WA-S4 (HMO-POS D-SNP) | UnitedHealthcare | HMO-POS D-SNP · Dual-Eligible | $0 | $9,850 | 3.5 of 5 |
| UHC Nursing Home Plan WA-F001 (PPO I-SNP) | UnitedHealthcare | PPO I-SNP · Institutional | $0 | $9,850 | 5 of 5 |
| Wellcare Coordinated Care Dual Access (HMO-POS D-SNP) | Wellcare | HMO-POS D-SNP · Dual-Eligible | $0 | $9,850 | 2.5 of 5 |
| Wellcare Coordinated Care Dual Liberty Sync (HMO D-SNP) | Wellcare | HMO D-SNP · Dual-Eligible | $0 | $9,850 | 2.5 of 5 |
| Community Health Plan of WA Dual Complete (HMO D-SNP) | Community Health Plan of WA Medicare Advantage | HMO D-SNP · Dual-Eligible | $6.30 | $9,850 | 3.5 of 5 |
| Community Health Plan of WA Dual Select (HMO D-SNP) | Community Health Plan of WA Medicare Advantage | HMO D-SNP · Dual-Eligible | $6.30 | $9,850 | 3.5 of 5 |
| Molina Medicare Complete Care (HMO D-SNP) | Molina Healthcare of Washington, Inc. | HMO D-SNP · Dual-Eligible | $6.30 | $9,850 | 3 of 5 |
| UHC Care Advantage WA-E001 (PPO I-SNP) | UnitedHealthcare | PPO I-SNP · Institutional | $6.30 | $4,000 | 5 of 5 |
| UHC Dual Advantage WA-V2 (PPO D-SNP) | UnitedHealthcare | PPO D-SNP · Dual-Eligible | $6.30 | $6,700 | 4.5 of 5 |
| Wellpoint Dual Advantage (HMO D-SNP) | Wellpoint | HMO D-SNP · Dual-Eligible | $6.30 | $9,850 | 3.5 of 5 |
| Wellpoint Dual Advantage Plus (HMO D-SNP) | Wellpoint | HMO D-SNP · Dual-Eligible | $6.30 | $9,850 | 3.5 of 5 |
| Wellpoint Full Dual Advantage (HMO D-SNP) | Wellpoint | HMO D-SNP · Dual-Eligible | $6.30 | $9,850 | 3.5 of 5 |
| Molina Medicare Elect (HMO D-SNP) | Molina Healthcare of Washington, Inc. | HMO D-SNP · Dual-Eligible | $8.10 | $8,875 | 3 of 5 |
| AgeRight Advantage Plus Health Plan (HMO I-SNP) | AgeRight Advantage | HMO I-SNP · Institutional | $74.00 | $6,000 | Not Enough Data Available |
Stand-alone Part D drug plans are offered statewide: see Washington drug plans.
Sources
- Centers for Medicare & Medicaid Services, CY2027 Medicare Advantage and Part D Landscape file (data last updated 18 October 2026)
- Centers for Medicare & Medicaid Services, CY2026 Medicare Advantage and Part D Landscape file (September 2026 release)
- Centers for Medicare & Medicaid Services, MA State/County Penetration files, October 2026 and October 2025
Checked 29 October 2026. Plans and premiums can change before 1 January 2027. Confirm any plan on Medicare.gov before you enrol.