Medicare Advantage in Westmoreland County, Pennsylvania
73,949 people in Westmoreland County, Pennsylvania were enrolled in Medicare Advantage in October 2026, 71.5% of 103,357 eligible beneficiaries (+0.03 pts since October 2025). Highmark Health is the largest parent organization with 33% of reported enrollment; 14 parent organizations have 11 or more members and the HHI is 2,753 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 13,709 members here are in plans that terminate or leave the county. MA plans offered go from 62 to 53.
Parent organizations in Westmoreland County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Highmark Health | 24,535 | +1,106 | 33.2% |
| UPMC Health System | 21,332 | −184 | 28.9% |
| CVS Health Corporation | 20,680 | −615 | 28.0% |
| UnitedHealth Group, Inc. | 3,404 | +176 | 4.6% |
| Humana Inc. | 1,878 | +248 | 2.5% |
| Health Care Service Corporation | 557 | +117 | 0.8% |
| UMWA Health and Retirement Funds | 302 | −4 | 0.4% |
| Centene Corporation | 300 | −98 | 0.4% |
| Devoted Health, Inc. | 296 | new | 0.4% |
| Senior LIFE Greensburg, Inc. | 175 | +6 | 0.2% |
| Elevance Health, Inc. | 158 | +22 | 0.2% |
| Independence Health Group, Inc. | 120 | −65 | 0.2% |
| Rifkin Managed Care Holding, LLC | 71 | +15 | under 0.1% |
| Mitchell Family Office | 22 | −4 | 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, 10,868 beneficiaries in Westmoreland County were assigned to 84 Medicare Shared Savings Program ACOs, 54.6% of assignable Original Medicare beneficiaries. Together, roughly 87% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.