Medicare Advantage in Hunterdon County, New Jersey
11,327 people in Hunterdon County, New Jersey were enrolled in Medicare Advantage in October 2026, 34.9% of 32,435 eligible beneficiaries (−0.4 pts since October 2025). CVS Health Corporation is the largest parent organization with 50% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 3,838 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 567 members here are in plans that terminate or leave the county, and Health Care Service Corporation leaves. MA plans offered go from 31 to 28.
Parent organizations in Hunterdon County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 5,664 | +248 | 50.1% |
| UnitedHealth Group, Inc. | 4,015 | +101 | 35.5% |
| Horizon Mutual Holdings, Inc | 649 | −420 | 5.7% |
| Humana Inc. | 582 | +230 | 5.1% |
| Clover Health Holdings, Inc. | 227 | +125 | 2.0% |
| Elevance Health, Inc. | 122 | +14 | 1.1% |
| Health Care Service Corporation | 44 | −21 | 0.4% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 3,205 beneficiaries in Hunterdon County were assigned to 96 Medicare Shared Savings Program ACOs, 21.9% of assignable Original Medicare beneficiaries. Together, roughly 49% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.