MA Enrollment Explorer / States / Louisiana
Medicare Advantage in Louisiana: enrollment, penetration and market share
563,351 people in Louisiana were enrolled in Medicare Advantage in October 2026. 57.5% of the state's 979,487 eligible Medicare beneficiaries are in Medicare Advantage, +0.7 pts since October 2025. Humana Inc. is the largest parent organization with 41% of reported enrollment; 15 parent organizations have 11 or more members, and the market's HHI is 3,268 (highly concentrated). Through the 2026 Annual Election Period (December to February), reported MA enrollment in Louisiana changed by +8,037 (+1.5%).
57.5%MA penetration, October 2026
563KMA enrollees
15parent organizations (11+ members)
3,268HHI, highly concentrated
Parent organizations in Louisiana
| Parent organization | Members | Change | Share | Share change |
|---|---|---|---|---|
| Humana Inc. | 232,493 | +29,332 | 41.4% | +4.1 pts |
| UnitedHealth Group, Inc. | 208,255 | −6,422 | 37.1% | −2.3 pts |
| Louisiana Health Service & Indemnity Company | 57,161 | +10,111 | 10.2% | +1.5 pts |
| CVS Health Corporation | 45,261 | −13,209 | 8.1% | −2.7 pts |
| Centene Corporation | 9,901 | −1,739 | 1.8% | −0.4 pts |
| Elevance Health, Inc. | 3,729 | +1,520 | 0.7% | +0.3 pts |
| Devoted Health, Inc. | 1,769 | new | 0.3% | +0.3 pts |
| Curana Health Holdings, LLC | 1,140 | new | 0.2% | +0.2 pts |
| Mitchell Family Office | 688 | +73 | 0.1% | +0.01 pts |
| Franciscan Missionaries of Our Lady Health System | 224 | +2 | under 0.1% | −0.00 pts |
| Catholic Charities Archdiocese of New Orleans | 132 | −15 | under 0.1% | −0.00 pts |
| Trinity Health Corporation | 97 | +28 | under 0.1% | +0.00 pts |
| Health Care Service Corporation | 84 | +16 | under 0.1% | +0.00 pts |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 61 | −2 | under 0.1% | −0.00 pts |
| Highmark Health | 34 | −17 | under 0.1% | −0.00 pts |
Change and share change are since October 2025. Shares are of reported enrollment in the CMS State/County/Contract file.