Medicare Advantage in Montgomery County, Virginia
5,522 people in Montgomery County, Virginia were enrolled in Medicare Advantage in October 2026, 35.4% of 15,617 eligible beneficiaries (+0.1 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 35% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 2,646 (highly concentrated). For 2027, 105 members here are in plans that terminate or leave the county. MA plans offered go from 33 to 35.
Parent organizations in Montgomery County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 1,912 | +92 | 35.0% |
| Elevance Health, Inc. | 1,461 | −192 | 26.8% |
| Humana Inc. | 1,298 | +294 | 23.8% |
| CVS Health Corporation | 634 | −61 | 11.6% |
| Sentara Health Care (SHC) | 70 | −29 | 1.3% |
| Highmark Health | 55 | −1 | 1.0% |
| Total Community Options, Inc. | 29 | +2 | 0.5% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 4,382 beneficiaries in Montgomery County were assigned to 52 Medicare Shared Savings Program ACOs, 57.0% of assignable Original Medicare beneficiaries. Together, roughly 72% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.