Medicare Advantage in Winnebago County, WI, for 2027.
CMS lists 50 Medicare Advantage plans here for 2027, 6 fewer than 2026 (56). 27,456 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
4 plans with members in the county end or leave it, plus 19 with 10 or fewer members here. CMS moves 2,466 members to another plan, and 23,323 stay in the same plan.
| Plan | Insurer | Members | Why |
|---|---|---|---|
| AARP Medicare Advantage CareFlex from UHC WI-18 (HMO-POS) | UnitedHealth | 231 | Plan terminated |
| Esteem Rx (HMO-POS) | Sanford Health | 38 | Plan leaves this county |
| Essence Rx (HMO-POS) | Sanford Health | 14 | Plan terminated |
| Community Care's Partnership Program (HMO D-SNP) | CareSource | 11 | Plan leaves this county |
Where CMS moves members
| 2026 plan | 2027 plan | Members |
|---|---|---|
| Network Health Zero (PPO) | Network Health Select (PPO) | 1,927 |
| Anthem Full Dual Advantage (HMO D-SNP) | Anthem Full Dual Advantage (HMO D-SNP) | 233 |
| Anthem Full Dual Advantage 2 (HMO D-SNP) | Anthem Full Dual Advantage (HMO D-SNP) | 172 |
| UHC Dual Complete WI-D003 (HMO-POS D-SNP) | UHC Dual Complete WI-Q1 (HMO-POS D-SNP) | 134 |
| UHC Dual Complete WI-D3 (HMO-POS D-SNP) | UHC Dual Complete WI-Q1 (HMO-POS D-SNP) | 10 or fewer |
| Humana USAA Honor Giveback (PPO) | Humana USAA Honor Giveback (PPO) | 10 or fewer |
Who holds the members
- Network Health13,932
- UnitedHealth6,467
- Humana4,445
- Elevance Health1,002
- Centene640
- CVS Health507
Individual Medicare Advantage members by parent company, October 2026.
Top rated plans sold here
- Anthem Medicare Advantage 3 (PPO)Elevance Health4.5
- Anthem Veteran (PPO)Elevance Health4.5
- Humana Essentials Plus Giveback (PPO)Humana4.5
- Humana Full Access (PPO)Humana4.5
- Humana USAA Honor Giveback (PPO)Humana4.5
- HumanaChoice - Diabetes and Heart (PPO C-SNP)Humana4.5
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 50 plans, open each plan's benefits and star measures, and see what each insurer paid agents in 2026.
Open Winnebago 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 Wisconsin 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.