Medicare Advantage in Chesterfield County, Virginia
29,559 people in Chesterfield County, Virginia were enrolled in Medicare Advantage in October 2026, 38.5% of 76,809 eligible beneficiaries (−0.1 pts since October 2025). Humana Inc. is the largest parent organization with 40% of reported enrollment; 12 parent organizations have 11 or more members and the HHI is 2,779 (highly concentrated). For 2027, 1,097 members here are in plans that terminate or leave the county. MA plans offered go from 40 to 39.
Parent organizations in Chesterfield County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 11,887 | +2,665 | 40.4% |
| UnitedHealth Group, Inc. | 6,929 | −30 | 23.5% |
| Elevance Health, Inc. | 6,681 | −2,130 | 22.7% |
| CVS Health Corporation | 2,538 | −3 | 8.6% |
| Devoted Health, Inc. | 502 | new | 1.7% |
| Health Care Service Corporation | 435 | +9 | 1.5% |
| Sentara Health Care (SHC) | 274 | −239 | 0.9% |
| Total Community Options, Inc. | 109 | +16 | 0.4% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 39 | −5 | 0.1% |
| Highmark Health | 19 | +2 | under 0.1% |
| C & O Employees' Hospital Association | 18 | 0 | under 0.1% |
| CareFirst, Inc. | 11 | 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, 21,957 beneficiaries in Chesterfield County were assigned to 149 Medicare Shared Savings Program ACOs, 64.2% of assignable Original Medicare beneficiaries. Together, roughly 78% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.