Medicare Advantage in Cass County, Nebraska
2,280 people in Cass County, Nebraska were enrolled in Medicare Advantage in October 2026, 36.1% of 6,320 eligible beneficiaries (+0.2 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 44% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 2,780 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 602 members here are in plans that terminate or leave the county, and Medica Holding Company leaves. MA plans offered go from 31 to 26.
Parent organizations in Cass County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 995 | −206 | 43.9% |
| Blue Cross Blue Shield of Nebraska | 480 | +134 | 21.2% |
| CVS Health Corporation | 319 | +53 | 14.1% |
| Humana Inc. | 314 | +55 | 13.9% |
| Devoted Health, Inc. | 51 | new | 2.3% |
| Centene Corporation | 46 | +20 | 2.0% |
| Medica Holding Company | 34 | +1 | 1.5% |
| Highmark Health | 27 | −1 | 1.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,888 beneficiaries in Cass County were assigned to 25 Medicare Shared Savings Program ACOs, 66.2% of assignable Original Medicare beneficiaries. Together, roughly 78% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.