Medicare Advantage in Acadia, Louisiana
6,225 people in Acadia, Louisiana were enrolled in Medicare Advantage in October 2026, 49.0% of 12,694 eligible beneficiaries (+1.3 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 34% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 2,522 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 1,379 members here are in plans that terminate or leave the county. MA plans offered go from 26 to 30.
Parent organizations in Acadia
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 2,100 | −111 | 33.8% |
| Humana Inc. | 1,809 | +333 | 29.1% |
| Louisiana Health Service & Indemnity Company | 1,155 | +120 | 18.6% |
| CVS Health Corporation | 775 | −5 | 12.5% |
| Centene Corporation | 302 | −79 | 4.9% |
| Elevance Health, Inc. | 65 | +34 | 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, 3,373 beneficiaries in Acadia were assigned to 19 Medicare Shared Savings Program ACOs, 58.6% 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.