Medicare Advantage in Montgomery County, Alabama
29,399 people in Montgomery County, Alabama were enrolled in Medicare Advantage in October 2026, 63.3% of 46,439 eligible beneficiaries (+0.3 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 33% of reported enrollment; 10 parent organizations have 11 or more members and the HHI is 2,457 (highly concentrated). For 2027, 615 members here are in plans that terminate or leave the county. MA plans offered go from 36 to 40.
Parent organizations in Montgomery County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 9,723 | −3,225 | 33.2% |
| Humana Inc. | 9,693 | +3,892 | 33.0% |
| Triton Health Systems, L.L.C. | 3,298 | −50 | 11.2% |
| BlueCross BlueShield of Alabama | 2,720 | +55 | 9.3% |
| Devoted Health, Inc. | 1,599 | +751 | 5.5% |
| CVS Health Corporation | 1,129 | −800 | 3.8% |
| Health Care Service Corporation | 835 | −258 | 2.8% |
| Elevance Health, Inc. | 141 | −4 | 0.5% |
| Associated Care Ventures, Inc. | 123 | −1 | 0.4% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 69 | −7 | 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, 2,336 beneficiaries in Montgomery County were assigned to 75 Medicare Shared Savings Program ACOs, 21.3% of assignable Original Medicare beneficiaries. Together, roughly 71% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.