Medicare Advantage in Delaware County, Indiana
13,491 people in Delaware County, Indiana were enrolled in Medicare Advantage in October 2026, 54.1% of 24,940 eligible beneficiaries (+0.7 pts since October 2025). Humana Inc. is the largest parent organization with 37% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 2,684 (highly concentrated). For 2027, 147 members here are in plans that terminate or leave the county. MA plans offered go from 38 to 37.
Parent organizations in Delaware County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 4,949 | +1,053 | 36.9% |
| UnitedHealth Group, Inc. | 3,853 | +173 | 28.7% |
| Elevance Health, Inc. | 2,837 | −983 | 21.1% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 888 | −36 | 6.6% |
| Devoted Health, Inc. | 312 | new | 2.3% |
| Centene Corporation | 269 | +147 | 2.0% |
| CVS Health Corporation | 176 | −336 | 1.3% |
| Rifkin Managed Care Holding, LLC | 145 | +2 | 1.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 2,877 beneficiaries in Delaware County were assigned to 51 Medicare Shared Savings Program ACOs, 31.4% of assignable Original Medicare beneficiaries. Together, roughly 68% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.