Medicare Advantage in Houston County, Alabama
16,196 people in Houston County, Alabama were enrolled in Medicare Advantage in October 2026, 60.9% of 26,615 eligible beneficiaries (+0.5 pts since October 2025). Humana Inc. is the largest parent organization with 40% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 2,928 (highly concentrated). For 2027, 148 members here are in plans that terminate or leave the county. MA plans offered go from 28 to 31.
Parent organizations in Houston County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 6,492 | +3,475 | 40.2% |
| UnitedHealth Group, Inc. | 5,346 | −2,715 | 33.1% |
| BlueCross BlueShield of Alabama | 1,615 | −30 | 10.0% |
| CVS Health Corporation | 1,612 | −416 | 10.0% |
| Elevance Health, Inc. | 533 | +12 | 3.3% |
| Associated Care Ventures, Inc. | 336 | +231 | 2.1% |
| Triton Health Systems, L.L.C. | 181 | −105 | 1.1% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 34 | −3 | 0.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 5,939 beneficiaries in Houston County were assigned to 68 Medicare Shared Savings Program ACOs, 79.4% of assignable Original Medicare beneficiaries. Together, roughly 92% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.
