Medicare Advantage in Bibb County, Alabama
3,387 people in Bibb County, Alabama were enrolled in Medicare Advantage in October 2026, 70.3% of 4,819 eligible beneficiaries (+1.3 pts since October 2025). Humana Inc. is the largest parent organization with 28% of reported enrollment; 10 parent organizations have 11 or more members and the HHI is 1,942 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 200 members here are in plans that terminate or leave the county. MA plans offered go from 38 to 39.
Parent organizations in Bibb County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 927 | +414 | 27.5% |
| UnitedHealth Group, Inc. | 779 | −384 | 23.1% |
| BlueCross BlueShield of Alabama | 674 | +3 | 20.0% |
| Health Care Service Corporation | 465 | −36 | 13.8% |
| CVS Health Corporation | 172 | 0 | 5.1% |
| UMWA Health and Retirement Funds | 131 | −6 | 3.9% |
| Devoted Health, Inc. | 127 | +53 | 3.8% |
| Triton Health Systems, L.L.C. | 49 | +19 | 1.5% |
| Elevance Health, Inc. | 31 | +5 | 0.9% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 13 | 0 | 0.4% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 836 beneficiaries in Bibb County were assigned to 20 Medicare Shared Savings Program ACOs, 72.3% 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.