Medicare Advantage in Chambers County, Alabama
6,120 people in Chambers County, Alabama were enrolled in Medicare Advantage in October 2026, 66.9% of 9,149 eligible beneficiaries (+1.1 pts since October 2025). Humana Inc. is the largest parent organization with 64% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 4,439 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 19 members here are in plans that terminate or leave the county. MA plans offered go from 32 to 36.
Parent organizations in Chambers County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 3,911 | +930 | 64.1% |
| UnitedHealth Group, Inc. | 789 | −569 | 12.9% |
| BlueCross BlueShield of Alabama | 671 | −7 | 11.0% |
| CVS Health Corporation | 291 | −380 | 4.8% |
| Devoted Health, Inc. | 216 | +134 | 3.5% |
| Associated Care Ventures, Inc. | 76 | +5 | 1.2% |
| Elevance Health, Inc. | 73 | +12 | 1.2% |
| Triton Health Systems, L.L.C. | 73 | −5 | 1.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 757 beneficiaries in Chambers County were assigned to 18 Medicare Shared Savings Program ACOs, 33.2% of assignable Original Medicare beneficiaries. Together, roughly 78% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.