Medicare Advantage in Liberty County, Montana
100 people in Liberty County, Montana were enrolled in Medicare Advantage in October 2026, 19.2% of 521 eligible beneficiaries (+4.8 pts since October 2025). Humana Inc. is the largest parent organization with 82% of reported enrollment; 2 parent organizations have 11 or more members and the HHI is 7,093 (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 12 to 6.
Parent organizations in Liberty County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 70 | +21 | 82.4% |
| Health Care Service Corporation | 15 | new | 17.6% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 32 beneficiaries in Liberty County were assigned to 11 Medicare Shared Savings Program ACOs, 9.3% of assignable Original Medicare beneficiaries. Together, roughly 27% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.