Medicare Advantage in Morton County, North Dakota
3,508 people in Morton County, North Dakota were enrolled in Medicare Advantage in October 2026, 49.4% of 7,102 eligible beneficiaries (−0.8 pts since October 2025). Medica Holding Company is the largest parent organization with 61% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 4,092 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 802 members here are in plans that terminate or leave the county, and Blue Cross Blue Shield of Michigan Mutual Ins. Co. leaves. MA plans offered go from 15 to 9.
Parent organizations in Morton County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Medica Holding Company | 2,117 | +889 | 60.8% |
| Sanford Health | 441 | +40 | 12.7% |
| UnitedHealth Group, Inc. | 392 | −31 | 11.3% |
| CVS Health Corporation | 272 | +84 | 7.8% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 244 | −888 | 7.0% |
| UMWA Health and Retirement Funds | 17 | 0 | 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, 661 beneficiaries in Morton County were assigned to 19 Medicare Shared Savings Program ACOs, 24.8% of assignable Original Medicare beneficiaries. Together, roughly 62% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.