Medicare Advantage in Chilton County, Alabama
7,440 people in Chilton County, Alabama were enrolled in Medicare Advantage in October 2026, 72.8% of 10,222 eligible beneficiaries (+0.1 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 22% of reported enrollment; 10 parent organizations have 11 or more members and the HHI is 1,656 (moderately concentrated). HRSA classifies the county as fully rural. For 2027, 465 members here are in plans that terminate or leave the county. MA plans offered go from 38 to 40.
Parent organizations in Chilton County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 1,640 | −889 | 22.1% |
| Humana Inc. | 1,446 | +891 | 19.5% |
| Health Care Service Corporation | 1,352 | +32 | 18.2% |
| BlueCross BlueShield of Alabama | 1,302 | −27 | 17.5% |
| Triton Health Systems, L.L.C. | 757 | 0 | 10.2% |
| Elevance Health, Inc. | 292 | −4 | 3.9% |
| Devoted Health, Inc. | 281 | +116 | 3.8% |
| CVS Health Corporation | 279 | −37 | 3.8% |
| Associated Care Ventures, Inc. | 53 | −1 | 0.7% |
| UMWA Health and Retirement Funds | 19 | −1 | 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, 479 beneficiaries in Chilton County were assigned to 17 Medicare Shared Savings Program ACOs, 23.9% of assignable Original Medicare beneficiaries. Together, roughly 79% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.