Medicare Advantage in Canadian County, Oklahoma
12,440 people in Canadian County, Oklahoma were enrolled in Medicare Advantage in October 2026, 42.1% of 29,566 eligible beneficiaries (−0.4 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 46% of reported enrollment; 12 parent organizations have 11 or more members and the HHI is 3,359 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 224 members here are in plans that terminate or leave the county, and Centene Corporation leaves. MA plans offered go from 41 to 34.
Parent organizations in Canadian County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 5,683 | −1,866 | 45.9% |
| Humana Inc. | 4,195 | +1,998 | 33.9% |
| MHH Healthcare, L.P. | 897 | +236 | 7.2% |
| Health Care Service Corporation | 720 | −86 | 5.8% |
| CVS Health Corporation | 548 | −73 | 4.4% |
| Devoted Health, Inc. | 132 | new | 1.1% |
| Centene Corporation | 87 | −52 | 0.7% |
| St Francis Health System & St John Health System | 39 | new | 0.3% |
| Mitchell Family Office | 33 | new | 0.3% |
| Valir PACE, LLC. | 26 | +9 | 0.2% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 15 | +3 | 0.1% |
| Elevance Health, Inc. | 13 | +2 | 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, 5,823 beneficiaries in Canadian County were assigned to 59 Medicare Shared Savings Program ACOs, 51.7% 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.