Medicare Advantage in Washington, Louisiana
6,821 people in Washington, Louisiana were enrolled in Medicare Advantage in October 2026, 61.2% of 11,153 eligible beneficiaries (+0.02 pts since October 2025). Humana Inc. is the largest parent organization with 53% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 3,734 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 1,206 members here are in plans that terminate or leave the county. MA plans offered go from 24 to 25.
Parent organizations in Washington
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 3,583 | +407 | 52.8% |
| UnitedHealth Group, Inc. | 1,968 | −56 | 29.0% |
| Louisiana Health Service & Indemnity Company | 554 | +40 | 8.2% |
| CVS Health Corporation | 313 | −308 | 4.6% |
| Centene Corporation | 311 | −2 | 4.6% |
| Elevance Health, Inc. | 61 | +14 | 0.9% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,078 beneficiaries in Washington were assigned to 14 Medicare Shared Savings Program ACOs, 34.4% of assignable Original Medicare beneficiaries. Together, roughly 75% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.