Medicare Advantage in Guthrie County, Iowa
1,081 people in Guthrie County, Iowa were enrolled in Medicare Advantage in October 2026, 33.4% of 3,235 eligible beneficiaries (−2.4 pts since October 2025). CVS Health Corporation is the largest parent organization with 63% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 4,396 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 29 members here are in plans that terminate or leave the county. MA plans offered go from 17 to 20.
Parent organizations in Guthrie County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 675 | +304 | 63.1% |
| UnitedHealth Group, Inc. | 147 | −265 | 13.8% |
| Humana Inc. | 138 | +67 | 12.9% |
| Trinity Health Corporation | 74 | +58 | 6.9% |
| Mitchell Family Office | 20 | +2 | 1.9% |
| Elevance Health, Inc. | 15 | −6 | 1.4% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 977 beneficiaries in Guthrie County were assigned to 14 Medicare Shared Savings Program ACOs, 58.4% of assignable Original Medicare beneficiaries. Together, roughly 72% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.