Medicare Advantage in Sabine, Louisiana
2,574 people in Sabine, Louisiana were enrolled in Medicare Advantage in October 2026, 44.8% of 5,740 eligible beneficiaries (+0.5 pts since October 2025). Humana Inc. is the largest parent organization with 42% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 2,881 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 449 members here are in plans that terminate or leave the county. MA plans offered go from 22 to 21.
Parent organizations in Sabine
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 1,069 | +191 | 41.8% |
| UnitedHealth Group, Inc. | 682 | +8 | 26.6% |
| Louisiana Health Service & Indemnity Company | 437 | +24 | 17.1% |
| CVS Health Corporation | 295 | −138 | 11.5% |
| Centene Corporation | 42 | −11 | 1.6% |
| Elevance Health, Inc. | 21 | new | 0.8% |
| Mitchell Family Office | 14 | −8 | 0.5% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,593 beneficiaries in Sabine were assigned to 27 Medicare Shared Savings Program ACOs, 61.7% 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.