Medicare Advantage in Treasure County, Montana
80 people in Treasure County, Montana were enrolled in Medicare Advantage in October 2026, 33.9% of 236 eligible beneficiaries (−4.2 pts since October 2025). Humana Inc. is the largest parent organization with 100% of reported enrollment; 1 parent organizations have 11 or more members and the HHI is 10,000 (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 5 to 5.
Parent organizations in Treasure County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 72 | +5 | 100.0% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 60 beneficiaries in Treasure County were assigned to 5 Medicare Shared Savings Program ACOs, 52.8% of assignable Original Medicare beneficiaries. Together, roughly 69% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.
