Medicare Advantage in Erie County, Pennsylvania
43,339 people in Erie County, Pennsylvania were enrolled in Medicare Advantage in October 2026, 65.4% of 66,273 eligible beneficiaries (+0.4 pts since October 2025). CVS Health Corporation is the largest parent organization with 44% of reported enrollment; 12 parent organizations have 11 or more members and the HHI is 2,835 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 846 members here are in plans that terminate or leave the county. MA plans offered go from 62 to 57.
Parent organizations in Erie County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 19,025 | −229 | 44.0% |
| Highmark Health | 9,904 | +402 | 22.9% |
| UPMC Health System | 6,380 | +103 | 14.7% |
| UnitedHealth Group, Inc. | 5,116 | +93 | 11.8% |
| Humana Inc. | 1,867 | +351 | 4.3% |
| Centene Corporation | 218 | −82 | 0.5% |
| One Senior Care, Inc. | 202 | +18 | 0.5% |
| Devoted Health, Inc. | 183 | new | 0.4% |
| Mitchell Family Office | 183 | +26 | 0.4% |
| Independence Health Group, Inc. | 145 | −32 | 0.3% |
| Elevance Health, Inc. | 21 | −18 | under 0.1% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 14 | −1 | 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, 7,422 beneficiaries in Erie County were assigned to 77 Medicare Shared Savings Program ACOs, 42.1% of assignable Original Medicare beneficiaries. Together, roughly 80% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.