Medicare Advantage in Audubon County, Iowa
317 people in Audubon County, Iowa were enrolled in Medicare Advantage in October 2026, 19.5% of 1,625 eligible beneficiaries (+0.4 pts since October 2025). CVS Health Corporation is the largest parent organization with 37% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 2,450 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 167 members here are in plans that terminate or leave the county, and CVS Health Corporation, Blue Cross Blue Shield of Michigan Mutual Ins. Co. leave. MA plans offered go from 15 to 8.
Parent organizations in Audubon County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 112 | +34 | 36.7% |
| Centene Corporation | 60 | +32 | 19.7% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 56 | +7 | 18.4% |
| Humana Inc. | 55 | 0 | 18.0% |
| Elevance Health, Inc. | 22 | −7 | 7.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 233 beneficiaries in Audubon County were assigned to 13 Medicare Shared Savings Program ACOs, 20.7% of assignable Original Medicare beneficiaries. Together, roughly 36% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.