Medicare Advantage in Onslow County, North Carolina
15,121 people in Onslow County, North Carolina were enrolled in Medicare Advantage in October 2026, 45.0% of 33,568 eligible beneficiaries (+1.8 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 54% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 3,796 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 26 members here are in plans that terminate or leave the county. MA plans offered go from 15 to 14.
Parent organizations in Onslow County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 8,041 | +594 | 53.7% |
| Humana Inc. | 3,372 | −148 | 22.5% |
| CuraCor Solutions Corp. | 2,969 | +573 | 19.8% |
| CVS Health Corporation | 516 | +47 | 3.4% |
| Elevance Health, Inc. | 39 | +1 | 0.3% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 21 | +4 | 0.1% |
| Highmark Health | 15 | +2 | 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, 4,774 beneficiaries in Onslow County were assigned to 108 Medicare Shared Savings Program ACOs, 35.5% of assignable Original Medicare beneficiaries. Together, roughly 65% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.