Medicare Advantage in Jackson County, Iowa
2,587 people in Jackson County, Iowa were enrolled in Medicare Advantage in October 2026, 47.7% of 5,423 eligible beneficiaries (+0.3 pts since October 2025). Medical Associates Clinic, P.C. is the largest parent organization with 43% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 2,650 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 165 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 28 to 30.
Parent organizations in Jackson County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Medical Associates Clinic, P.C. | 1,107 | +69 | 43.0% |
| UnitedHealth Group, Inc. | 554 | −266 | 21.5% |
| CVS Health Corporation | 382 | +168 | 14.8% |
| Humana Inc. | 223 | +80 | 8.7% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 151 | +15 | 5.9% |
| Centene Corporation | 70 | +32 | 2.7% |
| Elevance Health, Inc. | 50 | −14 | 1.9% |
| Trinity Health Corporation | 40 | +22 | 1.6% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 757 beneficiaries in Jackson County were assigned to 21 Medicare Shared Savings Program ACOs, 34.7% of assignable Original Medicare beneficiaries. Together, roughly 66% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.