Medicare Advantage in Seward County, Nebraska
1,141 people in Seward County, Nebraska were enrolled in Medicare Advantage in October 2026, 28.4% of 4,023 eligible beneficiaries (+0.1 pts since October 2025). Blue Cross Blue Shield of Nebraska is the largest parent organization with 40% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 2,639 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 598 members here are in plans that terminate or leave the county. MA plans offered go from 28 to 21.
Parent organizations in Seward County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Blue Cross Blue Shield of Nebraska | 442 | +54 | 40.0% |
| UnitedHealth Group, Inc. | 315 | −62 | 28.5% |
| Medica Holding Company | 126 | 0 | 11.4% |
| Humana Inc. | 63 | −1 | 5.7% |
| CVS Health Corporation | 59 | +25 | 5.3% |
| Highmark Health | 59 | 0 | 5.3% |
| Centene Corporation | 25 | +13 | 2.3% |
| Sanford Health | 16 | +1 | 1.4% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,876 beneficiaries in Seward County were assigned to 15 Medicare Shared Savings Program ACOs, 85.6% of assignable Original Medicare beneficiaries. Together, roughly 90% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.