Medicare Advantage in Polk County, Missouri
5,084 people in Polk County, Missouri were enrolled in Medicare Advantage in October 2026, 70.4% of 7,224 eligible beneficiaries (+0.1 pts since October 2025). CVS Health Corporation is the largest parent organization with 26% of reported enrollment; 9 parent organizations have 11 or more members and the HHI is 2,111 (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 38 to 38.
Parent organizations in Polk County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 1,316 | −158 | 26.1% |
| Humana Inc. | 1,224 | +287 | 24.3% |
| UnitedHealth Group, Inc. | 1,195 | −200 | 23.7% |
| Devoted Health, Inc. | 616 | +523 | 12.2% |
| Elevance Health, Inc. | 563 | −380 | 11.2% |
| Centene Corporation | 61 | −7 | 1.2% |
| CoxHealth | 30 | new | 0.6% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 20 | −5 | 0.4% |
| Lumeris Group Holdings Corporation | 14 | new | 0.3% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,699 beneficiaries in Polk County were assigned to 20 Medicare Shared Savings Program ACOs, 84.2% of assignable Original Medicare beneficiaries. Together, roughly 95% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.