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Medicare plans in Grays Harbor County, WA — 2027
What agents look up before working a county: plan count, carriers, $0-premium share, star distribution, MOOP range, the 65+ and 60–64 population, and what changed since last year.
In 2027, Grays Harbor County, Washington has 21 Medicare plans (3 Medicare Advantage with drug coverage, 1 without, 8 standalone Part D, 9 Special Needs) from 8 carriers. 2 Medicare Advantage plans have a $0 premium. The lowest in-network out-of-pocket maximum is $3,150.
What changed vs 2026
- 7 fewer plans than 2026
- Carriers exited: Aetna Medicare
- $0-premium plans down 4
- Average star rating up 0.5
Market snapshot
- Residents 65 and older
- 17,980
- Residents 60–64, aging in over the next five years
- 6,045
- Medicare eligibles
- 22,654
- Medicare Advantage penetration
- 23.7%
- Plans per 1,000 residents 65+
- 1.2
Carriers by number of plans
- Kaiser Permanente — 4 plans
- Wellcare — 4 plans
- Humana — 3 plans
- Wellpoint — 3 plans
- Community Health Plan of WA Medicare Advantage — 2 plans
- Molina Healthcare of Washington, Inc. — 2 plans
- UnitedHealthcare — 2 plans
- HealthSpring — 1 plan
Plans sorted by CMS star rating, then premium
| Plan | Carrier | Category | Plan type | Monthly premium | Drug deductible | Out-of-pocket maximum | Star rating |
|---|---|---|---|---|---|---|---|
| Humana Basic Rx Plan (PDP) (S5884-113-0) | Humana | PDP | PDP | $6.30 | $700 | 4.5 | |
| Humana Value Rx Plan (PDP) (S5884-209-0) | Humana | PDP | PDP | $37.40 | $687 | 4.5 | |
| Kaiser Permanente Medicare Advantage Vital Sound (HMO) (H5050-032-0) | Kaiser Permanente | MA-PD | HMO | $55 | $0 | $6,500 | 4.5 |
| Kaiser Permanente Medicare Advantage Basic (HMO) (H5050-001-0) | Kaiser Permanente | MA | HMO | $106 | $4,200 | 4.5 | |
| Kaiser Permanente Medicare Advantage Essential (HMO) (H5050-009-0) | Kaiser Permanente | MA-PD | HMO | $119 | $0 | $3,950 | 4.5 |
| Humana Premier Rx Plan (PDP) (S5884-176-0) | Humana | PDP | PDP | $127.90 | $350 | 4.5 | |
| Kaiser Permanente Medicare Advantage Optimal (HMO) (H5050-004-0) | Kaiser Permanente | MA-PD | HMO | $373 | $0 | $3,150 | 4.5 |
| Community Health Plan of WA Dual Complete (HMO D-SNP) (H5826-014-0) | Community Health Plan of WA Medicare Advantage | SNP | HMO D-SNP | $6.30 | $700 | $9,850 | 3.5 |
| Community Health Plan of WA Dual Select (HMO D-SNP) (H5826-017-0) | Community Health Plan of WA Medicare Advantage | SNP | HMO D-SNP | $6.30 | $700 | $9,850 | 3.5 |
| Wellpoint Dual Advantage (HMO D-SNP) (H8849-016-0) | Wellpoint | SNP | HMO D-SNP | $6.30 | $700 | $9,850 | 3.5 |
Showing 10 of 21 plans.
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About this data
Source: CMS Medicare Advantage/Part D Landscape files, plan year 2027; population: U.S. Census Bureau ACS 5-year 2024; MA penetration: CMS October 2026.
This page summarizes publicly available CMS data. It is not a plan finder and does not recommend plans. To compare and enroll in plans, use Medicare.gov or talk to a licensed agent. Medicare.gov plan finder.