Medicare Advantage in Ouachita, Louisiana
15,728 people in Ouachita, Louisiana were enrolled in Medicare Advantage in October 2026, 49.5% of 31,791 eligible beneficiaries (+0.1 pts since October 2025). Louisiana Health Service & Indemnity Company is the largest parent organization with 32% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 2,698 (highly concentrated). For 2027, 2,810 members here are in plans that terminate or leave the county. MA plans offered go from 24 to 24.
Parent organizations in Ouachita
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Louisiana Health Service & Indemnity Company | 5,060 | +196 | 32.3% |
| UnitedHealth Group, Inc. | 4,917 | −257 | 31.4% |
| Humana Inc. | 3,587 | +818 | 22.9% |
| CVS Health Corporation | 1,913 | −570 | 12.2% |
| Elevance Health, Inc. | 182 | +75 | 1.2% |
| Mitchell Family Office | 23 | −3 | 0.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 3,054 beneficiaries in Ouachita were assigned to 52 Medicare Shared Savings Program ACOs, 27.0% of assignable Original Medicare beneficiaries. Together, roughly 63% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.