Medicare Advantage in Hamilton County, Nebraska
674 people in Hamilton County, Nebraska were enrolled in Medicare Advantage in October 2026, 27.4% of 2,462 eligible beneficiaries (−0.9 pts since October 2025). Blue Cross Blue Shield of Nebraska is the largest parent organization with 32% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 2,612 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 471 members here are in plans that terminate or leave the county. MA plans offered go from 24 to 17.
Parent organizations in Hamilton County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Blue Cross Blue Shield of Nebraska | 213 | +27 | 32.3% |
| UnitedHealth Group, Inc. | 207 | −35 | 31.4% |
| Medica Holding Company | 141 | −25 | 21.4% |
| CVS Health Corporation | 65 | +14 | 9.9% |
| Centene Corporation | 33 | +17 | 5.0% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,094 beneficiaries in Hamilton County were assigned to 13 Medicare Shared Savings Program ACOs, 80.9% of assignable Original Medicare beneficiaries. Together, roughly 86% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.