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Medicare plans in Decatur County, IA — 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, Decatur County, Iowa has 35 Medicare plans (11 Medicare Advantage with drug coverage, 4 without, 11 standalone Part D, 9 Special Needs) from 10 carriers. 7 Medicare Advantage plans have a $0 premium. The lowest in-network out-of-pocket maximum is $3,900.
Market snapshot
- Residents 65 and older
- 1,639
- Residents 60–64, aging in over the next five years
- 452
- Medicare eligibles
- 1,877
- Medicare Advantage penetration
- 34.7%
- Plans per 1,000 residents 65+
- 21.4
Carriers by number of plans
- Humana — 9 plans
- Wellcare — 6 plans
- MediGold — 5 plans
- Aetna Medicare — 4 plans
- HealthSpring — 2 plans
- Iowa Health Advantage — 2 plans
- UnitedHealthcare — 2 plans
- Wellmark Advantage Health Plan — 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 |
|---|
| MercyOne Health Plan Cash Back (HMO) (H3668-031-0) | MediGold | MA-PD | HMO | $0 | $250 | $6,900 | 4.5 |
|---|
| MercyOne Health Plan No Premium (HMO) (H3668-025-0) | MediGold | MA-PD | HMO | $0 | $150 | $4,200 | 4.5 |
|---|
| MercyOne Health Plan Plus (HMO) (H3668-026-0) | MediGold | MA-PD | HMO | $22.80 | $100 | $3,900 | 4.5 |
|---|
| Aetna Medicare Value Care (HMO-POS) (H1609-068-0) | Aetna Medicare | MA-PD | HMO-POS | $41 | $615 | $3,900 | 4.5 |
|---|
| Iowa Health Advantage (HMO I-SNP) (H6765-001-0) | Iowa Health Advantage | SNP | HMO I-SNP | $41.50 | $615 | $9,250 | 4.5 |
|---|
| Iowa Health Advantage Choice (HMO I-SNP) (H6765-002-0) | Iowa Health Advantage | SNP | HMO I-SNP | $41.50 | $615 | $9,250 | 4.5 |
|---|
| Aetna Medicare Eagle (HMO-POS) (H1609-058-0) | Aetna Medicare | MA | HMO-POS | | | $6,750 | 4.5 |
|---|
| MercyOne Health Plan Glory No RX (HMO) (H3668-029-0) | MediGold | MA | HMO | | | $5,900 | 4.5 |
|---|
| MercyOne Health Plan Choice (PPO) (H1846-007-0) | MediGold | MA-PD | PPO | $0 | $200 | $4,400 | 4.0 |
|---|
| Aetna Medicare Enhanced Extra (PPO) (H1608-117-0) | Aetna Medicare | MA-PD | PPO | $57 | $615 | $4,500 | 4.0 |
|---|
Showing 10 of 35 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.