Medicare Advantage in Van Buren County, Iowa
632 people in Van Buren County, Iowa were enrolled in Medicare Advantage in October 2026, 32.4% of 1,949 eligible beneficiaries (−3.4 pts since October 2025). CVS Health Corporation is the largest parent organization with 39% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 2,734 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 246 members here are in plans that terminate or leave the county, and CVS Health Corporation leaves. MA plans offered go from 14 to 5.
Parent organizations in Van Buren County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 238 | +168 | 39.0% |
| Centene Corporation | 151 | +114 | 24.8% |
| UnitedHealth Group, Inc. | 125 | −260 | 20.5% |
| Humana Inc. | 80 | +26 | 13.1% |
| Elevance Health, Inc. | 16 | −9 | 2.6% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 681 beneficiaries in Van Buren County were assigned to 14 Medicare Shared Savings Program ACOs, 63.9% of assignable Original Medicare beneficiaries. Together, roughly 76% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.