Medicare Advantage in Douglas County, Missouri
2,181 people in Douglas County, Missouri were enrolled in Medicare Advantage in October 2026, 57.4% of 3,802 eligible beneficiaries (+5.5 pts since October 2025). Humana Inc. is the largest parent organization with 28% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 2,081 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 0 members here are in plans that terminate or leave the county. MA plans offered go from 32 to 32.
Parent organizations in Douglas County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 608 | +120 | 28.3% |
| UnitedHealth Group, Inc. | 449 | +44 | 20.9% |
| CVS Health Corporation | 396 | −80 | 18.4% |
| Devoted Health, Inc. | 371 | new | 17.2% |
| Elevance Health, Inc. | 313 | −216 | 14.5% |
| Centene Corporation | 15 | +1 | 0.7% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 498 beneficiaries in Douglas County were assigned to 23 Medicare Shared Savings Program ACOs, 59.7% of assignable Original Medicare beneficiaries. Together, roughly 83% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.
