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Medicare plans in Johnson County, IA — 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, Johnson County, Iowa has 40 Medicare plans (12 Medicare Advantage with drug coverage, 4 without, 9 standalone Part D, 15 Special Needs) from 10 carriers. 18 Medicare Advantage plans have a $0 premium. The lowest in-network out-of-pocket maximum is $4,400.
What changed vs 2026
- 2 fewer plans than 2026
- Carriers entered: Align Senior Care, Molina Healthcare of Iowa, Inc.
- Carriers exited: Passport Advantage, Wellmark Advantage Health Plan
- $0-premium plans up 5
- Average star rating up 0.2
Market snapshot
- Residents 65 and older
- 20,834
- Residents 60–64, aging in over the next five years
- 7,726
- Medicare eligibles
- 26,144
- Medicare Advantage penetration
- 32.8%
- Plans per 1,000 residents 65+
- 1.9
Carriers by number of plans
- Aetna Medicare — 9 plans
- UnitedHealthcare — 9 plans
- Humana — 8 plans
- Wellcare — 6 plans
- Align Senior Care — 2 plans
- Iowa Health Advantage — 2 plans
- HealthSpring — 1 plan
- MedicareBlue Rx — 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 Together in Health (PPO I-SNP) (H7617-118-0) | Humana | SNP | PPO I-SNP | $0 | $700 | $9,850 | 4.5 |
| Humana Basic Rx Plan (PDP) (S5884-145-0) | Humana | PDP | PDP | $18.30 | $700 | 4.5 | |
| Iowa Health Advantage (HMO I-SNP) (H6765-001-0) | Iowa Health Advantage | SNP | HMO I-SNP | $24.60 | $700 | $9,850 | 4.5 |
| Iowa Health Advantage Choice (HMO I-SNP) (H6765-002-0) | Iowa Health Advantage | SNP | HMO I-SNP | $24.60 | $700 | $9,850 | 4.5 |
| Humana Value Rx Plan (PDP) (S5884-204-0) | Humana | PDP | PDP | $33.30 | $687 | 4.5 | |
| Humana Premier Rx Plan (PDP) (S5884-171-0) | Humana | PDP | PDP | $123 | $350 | 4.5 | |
| AARP Medicare Advantage Patriot No Rx IA-MA01 (PPO) (H8768-018-0) | UnitedHealthcare | MA | PPO | $0 | $9,850 | 4.0 | |
| AARP Medicare Advantage Patriot No Rx IA-MA2 (HMO-POS) (H5253-241-0) | UnitedHealthcare | MA | HMO-POS | $0 | $9,850 | 4.0 | |
| Aetna Medicare Dual Care (HMO D-SNP) (H5593-001-0) | Aetna Medicare | SNP | HMO D-SNP | $0 | $700 | $9,850 | 4.0 |
| Aetna Medicare Eagle (HMO-POS) (H1609-058-0) | Aetna Medicare | MA | HMO-POS | $0 | $6,750 | 4.0 |
Showing 10 of 40 plans.
Nearby counties
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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.