Medicare Advantage in Plaquemines, Louisiana
2,899 people in Plaquemines, Louisiana were enrolled in Medicare Advantage in October 2026, 68.7% of 4,219 eligible beneficiaries (−0.1 pts since October 2025). Humana Inc. is the largest parent organization with 46% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 4,132 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 395 members here are in plans that terminate or leave the county. MA plans offered go from 26 to 22.
Parent organizations in Plaquemines
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 1,317 | +137 | 46.0% |
| UnitedHealth Group, Inc. | 1,273 | −62 | 44.5% |
| CVS Health Corporation | 134 | +6 | 4.7% |
| Louisiana Health Service & Indemnity Company | 65 | +3 | 2.3% |
| Centene Corporation | 50 | −1 | 1.7% |
| Devoted Health, Inc. | 21 | new | 0.7% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 439 beneficiaries in Plaquemines were assigned to 19 Medicare Shared Savings Program ACOs, 57.5% of assignable Original Medicare beneficiaries. Together, roughly 87% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.