Medicare Advantage in Bienville, Louisiana
1,902 people in Bienville, Louisiana were enrolled in Medicare Advantage in October 2026, 53.5% of 3,554 eligible beneficiaries (+1.6 pts since October 2025). Humana Inc. is the largest parent organization with 40% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 3,063 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 534 members here are in plans that terminate or leave the county. MA plans offered go from 22 to 18.
Parent organizations in Bienville
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 753 | +173 | 40.1% |
| UnitedHealth Group, Inc. | 625 | +18 | 33.2% |
| Louisiana Health Service & Indemnity Company | 308 | +77 | 16.4% |
| CVS Health Corporation | 172 | −186 | 9.1% |
| Centene Corporation | 22 | +1 | 1.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 714 beneficiaries in Bienville were assigned to 20 Medicare Shared Savings Program ACOs, 54.0% of assignable Original Medicare beneficiaries. Together, roughly 79% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.