Medicare Advantage in Moniteau County, Missouri
1,715 people in Moniteau County, Missouri were enrolled in Medicare Advantage in October 2026, 53.4% of 3,214 eligible beneficiaries (+0.1 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 60% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 4,329 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 216 members here are in plans that terminate or leave the county. MA plans offered go from 22 to 21.
Parent organizations in Moniteau County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 1,018 | −105 | 60.5% |
| Humana Inc. | 370 | +209 | 22.0% |
| CVS Health Corporation | 221 | +43 | 13.1% |
| Centene Corporation | 43 | +23 | 2.6% |
| Rifkin Managed Care Holding, LLC | 30 | +2 | 1.8% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 304 beneficiaries in Moniteau County were assigned to 12 Medicare Shared Savings Program ACOs, 27.3% of assignable Original Medicare beneficiaries. Together, roughly 66% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.