Medicare Advantage in Vigo County, Indiana
11,259 people in Vigo County, Indiana were enrolled in Medicare Advantage in October 2026, 48.0% of 23,464 eligible beneficiaries (+1.3 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 34% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 2,670 (highly concentrated). For 2027, 3,104 members here are in plans that terminate or leave the county. MA plans offered go from 25 to 19.
Parent organizations in Vigo County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 3,821 | +310 | 34.2% |
| Humana Inc. | 3,612 | +878 | 32.3% |
| Elevance Health, Inc. | 2,012 | −1,649 | 18.0% |
| SIHO Holding, Inc. | 1,260 | +902 | 11.3% |
| CVS Health Corporation | 297 | −29 | 2.7% |
| UMWA Health and Retirement Funds | 85 | −6 | 0.8% |
| Mitchell Family Office | 67 | +19 | 0.6% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 27 | 0 | 0.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 5,480 beneficiaries in Vigo County were assigned to 90 Medicare Shared Savings Program ACOs, 56.8% of assignable Original Medicare beneficiaries. Together, roughly 78% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.