Medicare Advantage in Nez Perce County, Idaho
2,439 people in Nez Perce County, Idaho were enrolled in Medicare Advantage in October 2026, 21.6% of 11,274 eligible beneficiaries (−16.8 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 77% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 6,307 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 1,536 members here are in plans that terminate or leave the county. MA plans offered go from 4 to 2.
Parent organizations in Nez Perce County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 1,857 | +753 | 77.4% |
| Molina Healthcare, Inc. | 424 | −26 | 17.7% |
| CVS Health Corporation | 50 | +2 | 2.1% |
| Humana Inc. | 36 | −5 | 1.5% |
| Cambia Health Solutions, Inc. | 33 | −1,662 | 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, 3,296 beneficiaries in Nez Perce County were assigned to 47 Medicare Shared Savings Program ACOs, 71.8% 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.