Medicare Advantage in Delaware County, Ohio
20,764 people in Delaware County, Ohio were enrolled in Medicare Advantage in October 2026, 47.5% of 43,689 eligible beneficiaries (−0.9 pts since October 2025). CVS Health Corporation is the largest parent organization with 40% of reported enrollment; 15 parent organizations have 11 or more members and the HHI is 2,339 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 1,021 members here are in plans that terminate or leave the county. MA plans offered go from 63 to 55.
Parent organizations in Delaware County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 8,199 | +632 | 39.6% |
| Humana Inc. | 4,341 | +685 | 21.0% |
| UnitedHealth Group, Inc. | 2,913 | +73 | 14.1% |
| Elevance Health, Inc. | 1,567 | −1,177 | 7.6% |
| Trinity Health Corporation | 1,373 | +192 | 6.6% |
| MEDICAL MUTUAL OF OHIO | 782 | −374 | 3.8% |
| Devoted Health, Inc. | 779 | +466 | 3.8% |
| Molina Healthcare, Inc. | 408 | +100 | 2.0% |
| CareSource | 130 | +80 | 0.6% |
| Centene Corporation | 62 | −30 | 0.3% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 50 | 0 | 0.2% |
| Highmark Health | 35 | −1 | 0.2% |
| The Health Plan of West Virginia, Inc. | 34 | +18 | 0.2% |
| Perennial Consortium, LLC | 24 | +9 | 0.1% |
| UMWA Health and Retirement Funds | 12 | 0 | under 0.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 3,736 beneficiaries in Delaware County were assigned to 100 Medicare Shared Savings Program ACOs, 23.0% of assignable Original Medicare beneficiaries. Together, roughly 60% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.