Medicare Advantage in Somerset County, Pennsylvania
14,993 people in Somerset County, Pennsylvania were enrolled in Medicare Advantage in October 2026, 71.0% of 21,122 eligible beneficiaries (+0.05 pts since October 2025). UPMC Health System is the largest parent organization with 48% of reported enrollment; 13 parent organizations have 11 or more members and the HHI is 3,223 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 2,126 members here are in plans that terminate or leave the county. MA plans offered go from 61 to 57.
Parent organizations in Somerset County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UPMC Health System | 7,135 | +47 | 47.7% |
| Highmark Health | 3,530 | −56 | 23.6% |
| CVS Health Corporation | 2,835 | +134 | 19.0% |
| UnitedHealth Group, Inc. | 717 | +129 | 4.8% |
| Humana Inc. | 329 | +56 | 2.2% |
| Centene Corporation | 102 | −34 | 0.7% |
| Elevance Health, Inc. | 72 | −9 | 0.5% |
| UMWA Health and Retirement Funds | 59 | −9 | 0.4% |
| Devoted Health, Inc. | 52 | +17 | 0.3% |
| Mitchell Family Office | 44 | −4 | 0.3% |
| Independence Health Group, Inc. | 33 | −13 | 0.2% |
| Risant Health, Inc. | 25 | +1 | 0.2% |
| Pennsylvania PACE, Inc. | 19 | −5 | 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, 1,820 beneficiaries in Somerset County were assigned to 44 Medicare Shared Savings Program ACOs, 40.1% of assignable Original Medicare beneficiaries. Together, roughly 83% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.