Medicare Advantage in Madison County, Alabama
37,966 people in Madison County, Alabama were enrolled in Medicare Advantage in October 2026, 46.3% of 81,969 eligible beneficiaries (+0.8 pts since October 2025). Humana Inc. is the largest parent organization with 33% of reported enrollment; 11 parent organizations have 11 or more members and the HHI is 2,007 (highly concentrated). For 2027, 1,206 members here are in plans that terminate or leave the county. MA plans offered go from 40 to 43.
Parent organizations in Madison County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 12,454 | +5,858 | 32.9% |
| UnitedHealth Group, Inc. | 7,706 | −4,573 | 20.4% |
| BlueCross BlueShield of Alabama | 6,987 | +229 | 18.5% |
| CVS Health Corporation | 3,312 | −34 | 8.8% |
| Health Care Service Corporation | 2,499 | −329 | 6.6% |
| Devoted Health, Inc. | 1,918 | +717 | 5.1% |
| Triton Health Systems, L.L.C. | 1,588 | +48 | 4.2% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 769 | −6 | 2.0% |
| Highmark Health | 384 | −5 | 1.0% |
| Elevance Health, Inc. | 147 | +13 | 0.4% |
| Associated Care Ventures, Inc. | 82 | −35 | 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, 17,597 beneficiaries in Madison County were assigned to 168 Medicare Shared Savings Program ACOs, 57.8% of assignable Original Medicare beneficiaries. Together, roughly 77% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.