Medicare Advantage in Johnson County, IA, for 2027.
CMS lists 31 Medicare Advantage plans here for 2027, the same as 2026. 8,428 people in the county had an individual Medicare Advantage plan in October 2026.
Sources: CMS CY2027 plan file (October 2026 release), CMS CY2026 plan file (September 2026 release), CMS enrollment by county (CPSC), October 2026, CMS 2027 Plan Crosswalk (October 1, 2026), CMS 2027 Star Ratings Data Tables (October 8, 2026). Member counts are floors because CMS hides counts of 10 or fewer.
The county in numbers
Plans that end here for 2027
2 plans with members in the county end or leave it, plus 27 with 10 or fewer members here. CMS moves 346 members to another plan, and 5,459 stay in the same plan.
| Plan | Insurer | Members | Why |
|---|---|---|---|
| Blue Medicare Advantage PPO (PPO) | Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 1,743 | Plan terminated |
| Humana Full Access H5216-411 (PPO) | Humana | 283 | Plan terminated |
Where CMS moves members
| 2026 plan | 2027 plan | Members |
|---|---|---|
| UHC Complete Care IA-5 (HMO-POS C-SNP) | UHC Complete Care IA-5 (HMO-POS C-SNP) | 134 |
| Aetna Medicare Elite (PPO) | Aetna Medicare Signature Classic (PPO) | 113 |
| Wellpoint Full Dual Advantage (HMO-POS D-SNP) | Wellpoint Full Dual Advantage (HMO-POS D-SNP) | 82 |
| Molina Medicare Complete Care (HMO D-SNP) | Molina Medicare Complete Care (HMO D-SNP) | 17 |
Who holds the members
- CVS Health3,166
- Blue Cross Blue Shield of Michigan Mutual Ins. Co.1,743
- UnitedHealth1,682
- Humana1,119
- Centene575
- Elevance Health96
Individual Medicare Advantage members by parent company, October 2026.
Top rated plans sold here
- Humana Together in Health (PPO I-SNP)Humana4.5
- Iowa Health Advantage (HMO I-SNP)Mitchell Family Office4.5
- Iowa Health Advantage Choice (HMO I-SNP)Mitchell Family Office4.5
2027 overall Star Rating, 4.5 or more. Each plan's measure stars are in the county lookup.
See every plan, premium and copay in the free lookup.
Sort all 31 plans, open each plan's benefits and star measures, and see what each insurer paid agents in 2026.
Open Johnson in the lookupWorking this county for AEP?
The AEP 2027 County Kit puts this county and your others in one file: the plans that end, where members land, what is still sold and a crosswalk sheet, with every number tied to its CMS file.
See the AEP 2027 County KitAll Iowa county pages. Facts from public CMS files, prepared by Health and Tech Now. Not plan advice. Check a plan's Summary of Benefits before you enroll.