Medicare Advantage in Dauphin County, Pennsylvania
39,124 people in Dauphin County, Pennsylvania were enrolled in Medicare Advantage in October 2026, 61.0% of 64,169 eligible beneficiaries (−0.2 pts since October 2025). CVS Health Corporation is the largest parent organization with 35% of reported enrollment; 13 parent organizations have 11 or more members and the HHI is 2,196 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 2,574 members here are in plans that terminate or leave the county. MA plans offered go from 79 to 71.
Parent organizations in Dauphin County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 13,590 | −106 | 34.8% |
| Highmark Health | 10,367 | −665 | 26.6% |
| UnitedHealth Group, Inc. | 3,561 | +398 | 9.1% |
| UPMC Health System | 3,361 | +147 | 8.6% |
| CAPITAL BLUE CROSS | 3,193 | +695 | 8.2% |
| Humana Inc. | 2,629 | +314 | 6.7% |
| Risant Health, Inc. | 643 | −151 | 1.6% |
| Independence Health Group, Inc. | 513 | +28 | 1.3% |
| Elevance Health, Inc. | 454 | −46 | 1.2% |
| Centene Corporation | 304 | −54 | 0.8% |
| Health Care Service Corporation | 150 | +4 | 0.4% |
| Senior LIFE York, Inc. | 146 | −13 | 0.4% |
| Thomas Jefferson University | 108 | +74 | 0.3% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 5,196 beneficiaries in Dauphin County were assigned to 89 Medicare Shared Savings Program ACOs, 31.3% of assignable Original Medicare beneficiaries. Together, roughly 73% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.