Medicare Advantage in Iberville, Louisiana
4,992 people in Iberville, Louisiana were enrolled in Medicare Advantage in October 2026, 70.4% of 7,088 eligible beneficiaries (+0.3 pts since October 2025). Humana Inc. is the largest parent organization with 53% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 4,003 (highly concentrated). For 2027, 547 members here are in plans that terminate or leave the county. MA plans offered go from 30 to 27.
Parent organizations in Iberville
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 2,629 | +142 | 52.8% |
| UnitedHealth Group, Inc. | 1,693 | 0 | 34.0% |
| CVS Health Corporation | 308 | −66 | 6.2% |
| Louisiana Health Service & Indemnity Company | 166 | +18 | 3.3% |
| Centene Corporation | 134 | −40 | 2.7% |
| Devoted Health, Inc. | 32 | new | 0.6% |
| Elevance Health, Inc. | 16 | new | 0.3% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 184 beneficiaries in Iberville were assigned to 7 Medicare Shared Savings Program ACOs, 14.0% 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.