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Medicare plans in Costilla County, CO — 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, Costilla County, Colorado has 33 Medicare plans (8 Medicare Advantage with drug coverage, 3 without, 10 standalone Part D, 12 Special Needs) from 6 carriers. 6 Medicare Advantage plans have a $0 premium. The lowest in-network out-of-pocket maximum is $3,800.
Market snapshot
- Residents 65 and older
- 1,029
- Residents 60–64, aging in over the next five years
- 444
- Medicare eligibles
- 1,412
- Medicare Advantage penetration
- 54.9%
- Plans per 1,000 residents 65+
- 32.1
Carriers by number of plans
- Humana — 13 plans
- Devoted Health — 9 plans
- UnitedHealthcare — 6 plans
- HealthSpring — 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 SNP-DE H7617-067 (PPO D-SNP) (H7617-067-0) | Humana | SNP | PPO D-SNP | $0 | $615 | $9,250 | 4.5 |
|---|
| UHC Dual Complete CO-S001 (PPO D-SNP) (H2001-053-0) | UnitedHealthcare | SNP | PPO D-SNP | $24.50 | $615 | $9,250 | 4.5 |
|---|
| UHC Dual Complete CO-V001 (PPO D-SNP) (H2001-052-0) | UnitedHealthcare | SNP | PPO D-SNP | $35.20 | $615 | $5,900 | 4.5 |
|---|
| DEVOTED CHOICE 001 CO (PPO) (H4808-001-0) | Devoted Health | MA-PD | PPO | $0 | $375 | $5,900 | 4.0 |
|---|
| DEVOTED CHOICE GIVEBACK 003 CO (PPO) (H4808-003-0) | Devoted Health | MA-PD | PPO | $0 | $605 | $7,900 | 4.0 |
|---|
| DEVOTED CORE 001 CO (HMO) (H7147-001-0) | Devoted Health | MA-PD | HMO | $0 | $375 | $4,900 | 4.0 |
|---|
| DEVOTED DUAL 007 CO (HMO D-SNP) (H7147-007-0) | Devoted Health | SNP | HMO D-SNP | $10.90 | $615 | $3,900 | 4.0 |
|---|
| DEVOTED DUAL PLUS 003 CO (HMO D-SNP) (H7147-003-0) | Devoted Health | SNP | HMO D-SNP | $17.60 | $615 | $9,250 | 4.0 |
|---|
| UHC Dual Complete CO-S002 (HMO-POS D-SNP) (H0624-001-0) | UnitedHealthcare | SNP | HMO-POS D-SNP | $20.60 | $615 | $9,250 | 4.0 |
|---|
| DEVOTED DUAL FULL 012 CO (HMO D-SNP) (H7147-012-0) | Devoted Health | SNP | HMO D-SNP | $27.10 | $615 | $9,250 | 4.0 |
|---|
Showing 10 of 33 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.