Medicare Advantage in Adams County, Indiana
3,064 people in Adams County, Indiana were enrolled in Medicare Advantage in October 2026, 44.7% of 6,861 eligible beneficiaries (−1.0 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 51% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 3,951 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 1,238 members here are in plans that terminate or leave the county. MA plans offered go from 35 to 23.
Parent organizations in Adams County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 1,552 | +311 | 51.1% |
| Humana Inc. | 1,093 | +196 | 36.0% |
| Devoted Health, Inc. | 140 | +124 | 4.6% |
| Elevance Health, Inc. | 121 | −273 | 4.0% |
| CVS Health Corporation | 67 | −358 | 2.2% |
| Centene Corporation | 36 | +25 | 1.2% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 28 | −13 | 0.9% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 155 beneficiaries in Adams County were assigned to 19 Medicare Shared Savings Program ACOs, 5.3% 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.