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Medicare plans in Sierra County, CA — 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, Sierra County, California has 14 Medicare plans (1 Medicare Advantage with drug coverage, 1 without, 12 standalone Part D, 0 Special Needs) from 6 carriers. 0 Medicare Advantage plans have a $0 premium. The lowest in-network out-of-pocket maximum is $5,750.
Market snapshot
- Residents 65 and older
- 963
- Residents 60–64, aging in over the next five years
- 150
- Medicare eligibles
- 932
- Medicare Advantage penetration
- 12.1%
- Plans per 1,000 residents 65+
- 14.5
Carriers by number of plans
- Humana — 5 plans
- Blue Shield of California — 2 plans
- HealthSpring — 2 plans
- UnitedHealthcare — 2 plans
- Wellcare — 2 plans
- Aetna Medicare — 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 |
|---|
| HumanaChoice H5525-056 (PPO) (H5525-056-0) | Humana | MA-PD | PPO | $64 | $615 | $5,750 | 3.5 |
|---|
| Humana USAA Honor Giveback (PPO) (H5525-079-0) | Humana | MA | PPO | | | $6,500 | 3.5 |
|---|
| HealthSpring Assurance Rx (PDP) (S5617-158-0) | HealthSpring | PDP | PDP | $0 | $615 | | Not rated |
|---|
| Wellcare Value Script (PDP) (S4802-163-0) | Wellcare | PDP | PDP | $5.70 | $615 | | Not rated |
|---|
| Wellcare Classic (PDP) (S4802-094-0) | Wellcare | PDP | PDP | $6.20 | $615 | | Not rated |
|---|
| HealthSpring Extra Rx (PDP) (S5617-382-0) | HealthSpring | PDP | PDP | $70.60 | $615 | | Not rated |
|---|
| SilverScript Choice (PDP) (S5601-064-0) | Aetna Medicare | PDP | PDP | $103.60 | $615 | | Not rated |
|---|
| Humana Value Rx Plan (PDP) (S5884-211-0) | Humana | PDP | PDP | $104.60 | $601 | | Not rated |
|---|
| AARP Medicare Rx Saver from UHC (PDP) (S5921-376-0) | UnitedHealthcare | PDP | PDP | $109.40 | $615 | | Not rated |
|---|
| Humana Basic Rx Plan (PDP) (S5884-114-0) | Humana | PDP | PDP | $132.20 | $615 | | Not rated |
|---|
Showing 10 of 14 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.