Medicare Advantage in Shannon County, Missouri
1,167 people in Shannon County, Missouri were enrolled in Medicare Advantage in October 2026, 51.9% of 2,248 eligible beneficiaries (−1.2 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 44% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 3,467 (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 19 to 21.
Parent organizations in Shannon County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 493 | +19 | 43.6% |
| Devoted Health, Inc. | 427 | new | 37.8% |
| CVS Health Corporation | 116 | +6 | 10.3% |
| Humana Inc. | 57 | +15 | 5.0% |
| Elevance Health, Inc. | 38 | −476 | 3.4% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 427 beneficiaries in Shannon County were assigned to 13 Medicare Shared Savings Program ACOs, 58.3% of assignable Original Medicare beneficiaries. Together, roughly 80% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.
