Medicare Advantage plans in Mason County, WA: what changed for 2027
For 2027, Mason County in Washington has 10 Medicare Advantage plans that include drug coverage, compared with 14 in 2026, according to the CMS plan landscape files.
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.
9 Advantage plan IDs (not counting Special Needs or Cost plans) listed here for 2026 are not in the 2027 file and 4 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, 9,038 of the 20,274 people eligible for Medicare in Mason County were enrolled in a Medicare Advantage or other Medicare health plan, 44.6%. A year earlier it was 8,745 of 19,901 (43.9%).
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 (10)
| Plan | Company | Type | Monthly premium | In-network out-of-pocket limit | Star rating |
|---|---|---|---|---|---|
| DEVOTED CORE 006 WA (HMO) | Devoted Health | HMO | $0 | $6,550 | Plan Too New To Be Measured |
| DEVOTED GIVEBACK 007 WA (HMO) | Devoted Health | HMO | $0 | $9,850 | Plan Too New To Be Measured |
| DEVOTED GIVEBACK EXTRAS 020 WA (HMO) | Devoted Health | HMO | $0 | $8,100 | Plan Too New To Be Measured |
| AARP Medicare Advantage from UHC WA-18 (PPO) | UnitedHealthcare | PPO | $10.00 | $7,150 | 4.5 of 5 |
| Kaiser Permanente Medicare Advantage Vital Sound (HMO) | Kaiser Permanente | HMO | $55.00 | $6,500 | 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 |
| Kaiser Permanente Medicare Advantage Essential (HMO) | Kaiser Permanente | HMO | $119.00 | $3,950 | 4.5 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 (4)
| Plan | Company | Type | Monthly premium | In-network out-of-pocket limit | Star rating |
|---|---|---|---|---|---|
| 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 (23)
| Plan | Company | Type | Monthly premium | In-network out-of-pocket limit | Star rating |
|---|---|---|---|---|---|
| DEVOTED C-SNP ENHANCED 008 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 009 WA (HMO C-SNP) | Devoted Health | HMO C-SNP · Chronic or Disabling Condition | $0 | $8,100 | Plan Too New To Be Measured |
| DEVOTED C-SNP PLUS 010 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 SNP-DE H5619-167 (HMO D-SNP) | Humana | HMO D-SNP · Dual-Eligible | $0 | $9,850 | 4 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 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-S5 (PPO D-SNP) | UnitedHealthcare | PPO D-SNP · Dual-Eligible | $0 | $9,850 | 4.5 of 5 |
| UHC Dual Complete WA-S6 (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 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 |
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.