Medicare Advantage in Preble County, Ohio
5,789 people in Preble County, Ohio were enrolled in Medicare Advantage in October 2026, 56.1% of 10,318 eligible beneficiaries (+0.5 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 33% of reported enrollment; 12 parent organizations have 11 or more members and the HHI is 2,380 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 519 members here are in plans that terminate or leave the county. MA plans offered go from 55 to 49.
Parent organizations in Preble County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 1,904 | +623 | 33.0% |
| Elevance Health, Inc. | 1,734 | −761 | 30.1% |
| CVS Health Corporation | 945 | +266 | 16.4% |
| Humana Inc. | 521 | −245 | 9.0% |
| Trinity Health Corporation | 224 | +184 | 3.9% |
| Health Care Service Corporation | 203 | +159 | 3.5% |
| Devoted Health, Inc. | 66 | −39 | 1.1% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 51 | +1 | 0.9% |
| CareSource | 49 | +25 | 0.9% |
| Centene Corporation | 34 | 0 | 0.6% |
| The Schroer Group, Inc. | 16 | −3 | 0.3% |
| Molina Healthcare, Inc. | 14 | new | 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, 1,502 beneficiaries in Preble County were assigned to 25 Medicare Shared Savings Program ACOs, 45.3% of assignable Original Medicare beneficiaries. Together, roughly 76% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.