Medicare Advantage in Platte County, Nebraska
2,107 people in Platte County, Nebraska were enrolled in Medicare Advantage in October 2026, 28.4% of 7,406 eligible beneficiaries (+0.5 pts since October 2025). Medica Holding Company is the largest parent organization with 69% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 5,046 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 1,766 members here are in plans that terminate or leave the county. MA plans offered go from 21 to 13.
Parent organizations in Platte County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Medica Holding Company | 1,433 | +55 | 68.7% |
| UnitedHealth Group, Inc. | 337 | −42 | 16.1% |
| CVS Health Corporation | 120 | +27 | 5.7% |
| Blue Cross Blue Shield of Nebraska | 100 | +13 | 4.8% |
| Humana Inc. | 78 | +27 | 3.7% |
| Sanford Health | 19 | +4 | 0.9% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 3,554 beneficiaries in Platte County were assigned to 19 Medicare Shared Savings Program ACOs, 82.7% of assignable Original Medicare beneficiaries. Together, roughly 88% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.