Medicare Advantage in Belknap County, New Hampshire
7,189 people in Belknap County, New Hampshire were enrolled in Medicare Advantage in October 2026, 33.5% of 21,471 eligible beneficiaries (−4.5 pts since October 2025). Humana Inc. is the largest parent organization with 68% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 5,066 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 149 members here are in plans that terminate or leave the county, and BMC Health System, Inc. leaves. MA plans offered go from 5 to 6.
Parent organizations in Belknap County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 4,860 | +3,774 | 68.1% |
| Elevance Health, Inc. | 1,379 | −668 | 19.3% |
| UnitedHealth Group, Inc. | 485 | −2,251 | 6.8% |
| CVS Health Corporation | 238 | −242 | 3.3% |
| BMC Health System, Inc. | 149 | −814 | 2.1% |
| Blue Cross and Blue Shield of Massachusetts, Inc. | 15 | new | 0.2% |
| Health Care Service Corporation | 15 | new | 0.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 4,909 beneficiaries in Belknap County were assigned to 101 Medicare Shared Savings Program ACOs, 54.5% of assignable Original Medicare beneficiaries. Together, roughly 70% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.