Medicare Advantage in Jefferson County, Nebraska
657 people in Jefferson County, Nebraska were enrolled in Medicare Advantage in October 2026, 32.1% of 2,049 eligible beneficiaries (−0.1 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 40% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 2,496 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 230 members here are in plans that terminate or leave the county. MA plans offered go from 27 to 18.
Parent organizations in Jefferson County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 252 | −13 | 40.3% |
| Blue Cross Blue Shield of Nebraska | 122 | +52 | 19.5% |
| CVS Health Corporation | 120 | −29 | 19.2% |
| Medica Holding Company | 50 | −14 | 8.0% |
| Centene Corporation | 31 | +14 | 5.0% |
| Sanford Health | 27 | +2 | 4.3% |
| Humana Inc. | 23 | +7 | 3.7% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,074 beneficiaries in Jefferson County were assigned to 15 Medicare Shared Savings Program ACOs, 93.7% of assignable Original Medicare beneficiaries. Together, roughly 96% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.