Medicare Advantage in Worth County, Iowa
495 people in Worth County, Iowa were enrolled in Medicare Advantage in October 2026, 25.2% of 1,966 eligible beneficiaries (−1.7 pts since October 2025). Trinity Health Corporation is the largest parent organization with 23% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 1,699 (moderately concentrated). HRSA classifies the county as fully rural. For 2027, 95 members here are in plans that terminate or leave the county, and Blue Cross Blue Shield of Michigan Mutual Ins. Co. leaves. MA plans offered go from 24 to 22.
Parent organizations in Worth County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Trinity Health Corporation | 106 | +52 | 23.1% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 99 | −7 | 21.6% |
| Humana Inc. | 70 | −4 | 15.3% |
| Centene Corporation | 60 | +20 | 13.1% |
| CVS Health Corporation | 59 | +19 | 12.9% |
| Medical Associates Clinic, P.C. | 49 | −3 | 10.7% |
| Elevance Health, Inc. | 15 | −9 | 3.3% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 298 beneficiaries in Worth County were assigned to 14 Medicare Shared Savings Program ACOs, 30.0% of assignable Original Medicare beneficiaries. Together, roughly 48% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.