Medicare Advantage in Oneida County, Idaho
261 people in Oneida County, Idaho were enrolled in Medicare Advantage in October 2026, 22.3% of 1,171 eligible beneficiaries (+0.7 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 64% of reported enrollment; 3 parent organizations have 11 or more members and the HHI is 4,867 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 0 members here are in plans that terminate or leave the county. MA plans offered go from 7 to 7.
Parent organizations in Oneida County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 164 | +18 | 64.3% |
| Humana Inc. | 63 | −20 | 24.7% |
| Molina Healthcare, Inc. | 28 | new | 11.0% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 567 beneficiaries in Oneida County were assigned to 9 Medicare Shared Savings Program ACOs, 75.8% of assignable Original Medicare beneficiaries. Together, roughly 81% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.