Medicare Advantage in Durham County, North Carolina
29,484 people in Durham County, North Carolina were enrolled in Medicare Advantage in October 2026, 52.0% of 56,660 eligible beneficiaries (+0.03 pts since October 2025). Humana Inc. is the largest parent organization with 38% of reported enrollment; 14 parent organizations have 11 or more members and the HHI is 2,700 (highly concentrated). For 2027, 324 members here are in plans that terminate or leave the county. MA plans offered go from 46 to 41.
Parent organizations in Durham County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 11,075 | +1,164 | 37.7% |
| UnitedHealth Group, Inc. | 8,589 | +5 | 29.3% |
| CuraCor Solutions Corp. | 4,799 | +34 | 16.4% |
| CVS Health Corporation | 3,517 | −547 | 12.0% |
| Health Care Service Corporation | 807 | +236 | 2.7% |
| Centene Corporation | 250 | +8 | 0.9% |
| Volunteers of America National Services | 68 | −6 | 0.2% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 66 | −2 | 0.2% |
| Elevance Health, Inc. | 60 | +10 | 0.2% |
| Troy Holdings, Inc. | 33 | +1 | 0.1% |
| UNICO Services, Inc. | 27 | +1 | under 0.1% |
| Highmark Health | 23 | +2 | under 0.1% |
| Longevity Health Founders, LLC | 21 | −3 | under 0.1% |
| Alignment Healthcare USA, LLC | 14 | new | under 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, 12,844 beneficiaries in Durham County were assigned to 130 Medicare Shared Savings Program ACOs, 68.2% of assignable Original Medicare beneficiaries. Together, roughly 85% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.