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Medicare plans in Walla Walla County, WA — 2026
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 2026, Walla Walla County, Washington has 46 Medicare plans (10 Medicare Advantage with drug coverage, 5 without, 10 standalone Part D, 21 Special Needs) from 9 carriers. 14 Medicare Advantage plans have a $0 premium. The lowest in-network out-of-pocket maximum is $4,200.
Market snapshot
- Residents 65 and older
- 12,409
- Residents 60–64, aging in over the next five years
- 4,381
- Medicare eligibles
- 15,033
- Medicare Advantage penetration
- 33.0%
- Plans per 1,000 residents 65+
- 3.7
Carriers by number of plans
- Humana — 16 plans
- UnitedHealthcare — 13 plans
- Wellcare — 6 plans
- Community Health Plan of WA Medicare Advantage — 2 plans
- HealthSpring — 2 plans
- Molina Healthcare of Washington, Inc. — 2 plans
- Providence Medicare Advantage Plans — 2 plans
- Wellpoint — 2 plans
Plans sorted by CMS star rating, then premium
| Plan | Carrier | Category | Plan type | Monthly premium | Drug deductible | Out-of-pocket maximum | Star rating |
|---|
| AARP Medicare Advantage from UHC WA-12 (PPO) (H2001-087-0) | UnitedHealthcare | MA-PD | PPO | $0 | $600 | $6,700 | 4.5 |
|---|
| Humana Gold Plus SNP-DE H1036-324 (HMO D-SNP) (H1036-324-0) | Humana | SNP | HMO D-SNP | $0 | $615 | $9,250 | 4.5 |
|---|
| Humana Gold Plus SNP-DE H1036-326 (HMO D-SNP) (H1036-326-0) | Humana | SNP | HMO D-SNP | $0 | $615 | $9,250 | 4.5 |
|---|
| UHC Dual Complete WA-Q1 (PPO D-SNP) (H2001-079-0) | UnitedHealthcare | SNP | PPO D-SNP | $0 | $615 | $9,250 | 4.5 |
|---|
| UHC Dual Complete WA-S1 (PPO D-SNP) (H2001-078-0) | UnitedHealthcare | SNP | PPO D-SNP | $10.50 | $615 | $9,250 | 4.5 |
|---|
| UHC Dual Complete WA-V2 (PPO D-SNP) (H2001-080-0) | UnitedHealthcare | SNP | PPO D-SNP | $10.50 | $615 | $6,700 | 4.5 |
|---|
| AARP Medicare Advantage from UHC WA-16 (PPO) (H2001-136-0) | UnitedHealthcare | MA-PD | PPO | $56 | $600 | $6,700 | 4.5 |
|---|
| HumanaChoice H7617-016 (PPO) (H7617-016-0) | Humana | MA-PD | PPO | $87 | $615 | $6,750 | 4.5 |
|---|
| Humana USAA Honor Giveback (PPO) (H7617-021-0) | Humana | MA | PPO | | | $9,150 | 4.5 |
|---|
| Providence Medicare Pine + Rx (HMO) (H9047-063-0) | Providence Medicare Advantage Plans | MA-PD | HMO | $0 | $195 | $6,750 | 4.0 |
|---|
Showing 10 of 46 plans.
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About this data
Source: CMS Medicare Advantage/Part D Landscape files, plan year 2026; population: U.S. Census Bureau ACS 5-year 2024; MA penetration: CMS September 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.