Medicare Advantage in Martin County, North Carolina
4,036 people in Martin County, North Carolina were enrolled in Medicare Advantage in October 2026, 59.7% of 6,763 eligible beneficiaries (+0.6 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 32% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 2,693 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 27 members here are in plans that terminate or leave the county. MA plans offered go from 33 to 32.
Parent organizations in Martin County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 1,284 | −338 | 32.1% |
| Humana Inc. | 1,263 | −41 | 31.5% |
| CuraCor Solutions Corp. | 858 | +222 | 21.4% |
| CVS Health Corporation | 583 | +217 | 14.6% |
| Centene Corporation | 17 | new | 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, 1,152 beneficiaries in Martin County were assigned to 22 Medicare Shared Savings Program ACOs, 51.3% of assignable Original Medicare beneficiaries. Together, roughly 80% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.