Medicare Advantage in Latah County, Idaho
1,916 people in Latah County, Idaho were enrolled in Medicare Advantage in October 2026, 25.0% of 7,655 eligible beneficiaries (−6.5 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 86% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 7,439 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 1,159 members here are in plans that terminate or leave the county. MA plans offered go from 4 to 2.
Parent organizations in Latah County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 1,616 | +408 | 85.9% |
| Molina Healthcare, Inc. | 116 | −17 | 6.2% |
| Cambia Health Solutions, Inc. | 88 | −460 | 4.7% |
| CVS Health Corporation | 43 | −1 | 2.3% |
| Humana Inc. | 19 | +1 | 1.0% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 830 beneficiaries in Latah County were assigned to 36 Medicare Shared Savings Program ACOs, 21.3% of assignable Original Medicare beneficiaries. Together, roughly 41% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.