Medicare Advantage in Billings County, North Dakota
78 people in Billings County, North Dakota were enrolled in Medicare Advantage in October 2026, 36.3% of 215 eligible beneficiaries (−1.9 pts since October 2025). Medica Holding Company is the largest parent organization with 81% of reported enrollment; 2 parent organizations have 11 or more members and the HHI is 6,867 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 0 members here are in plans that terminate or leave the county. MA plans offered go from 11 to 6.
Parent organizations in Billings County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Medica Holding Company | 58 | +36 | 80.6% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 14 | −43 | 19.4% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 15 beneficiaries in Billings County were assigned to 7 Medicare Shared Savings Program ACOs, 18.6% of assignable Original Medicare beneficiaries. Together, roughly 48% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.