Medicare Advantage in Delaware County, Pennsylvania
49,926 people in Delaware County, Pennsylvania were enrolled in Medicare Advantage in October 2026, 41.0% of 121,710 eligible beneficiaries (−0.4 pts since October 2025). Independence Health Group, Inc. is the largest parent organization with 35% of reported enrollment; 16 parent organizations have 11 or more members and the HHI is 2,118 (highly concentrated). For 2027, 1,694 members here are in plans that terminate or leave the county. MA plans offered go from 66 to 59.
Parent organizations in Delaware County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Independence Health Group, Inc. | 17,326 | −1,048 | 34.8% |
| CVS Health Corporation | 12,435 | +66 | 25.0% |
| UnitedHealth Group, Inc. | 5,603 | −292 | 11.3% |
| Humana Inc. | 4,530 | +823 | 9.1% |
| Elevance Health, Inc. | 2,898 | +3 | 5.8% |
| Health Care Service Corporation | 2,337 | −82 | 4.7% |
| Thomas Jefferson University | 1,272 | +602 | 2.6% |
| Devoted Health, Inc. | 1,190 | +532 | 2.4% |
| Centene Corporation | 820 | −72 | 1.6% |
| Highmark Health | 710 | +28 | 1.4% |
| Trinity Health Corporation | 315 | −5 | 0.6% |
| Clover Health Holdings, Inc. | 155 | +17 | 0.3% |
| UPMC Health System | 139 | −6 | 0.3% |
| Risant Health, Inc. | 22 | new | under 0.1% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 18 | +2 | 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, 34,161 beneficiaries in Delaware County were assigned to 150 Medicare Shared Savings Program ACOs, 64.8% of assignable Original Medicare beneficiaries. Together, roughly 79% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.