Medicare Advantage in Calcasieu, Louisiana
18,604 people in Calcasieu, Louisiana were enrolled in Medicare Advantage in October 2026, 45.2% of 41,140 eligible beneficiaries (+1.3 pts since October 2025). Humana Inc. is the largest parent organization with 44% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 2,937 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 4,243 members here are in plans that terminate or leave the county. MA plans offered go from 25 to 24.
Parent organizations in Calcasieu
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 8,189 | +875 | 44.2% |
| CVS Health Corporation | 3,761 | −294 | 20.3% |
| UnitedHealth Group, Inc. | 3,301 | −186 | 17.8% |
| Louisiana Health Service & Indemnity Company | 2,936 | +353 | 15.9% |
| Elevance Health, Inc. | 198 | +83 | 1.1% |
| Curana Health Holdings, LLC | 115 | new | 0.6% |
| Health Care Service Corporation | 23 | +1 | 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, 7,874 beneficiaries in Calcasieu were assigned to 66 Medicare Shared Savings Program ACOs, 44.8% of assignable Original Medicare beneficiaries. Together, roughly 70% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.