Medicare Advantage in Cleveland County, Oklahoma
22,291 people in Cleveland County, Oklahoma were enrolled in Medicare Advantage in October 2026, 40.8% of 54,640 eligible beneficiaries (+0.3 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 42% of reported enrollment; 10 parent organizations have 11 or more members and the HHI is 3,554 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 406 members here are in plans that terminate or leave the county, and Centene Corporation leaves. MA plans offered go from 38 to 33.
Parent organizations in Cleveland County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 9,382 | −2,498 | 42.2% |
| Humana Inc. | 9,136 | +3,180 | 41.1% |
| MHH Healthcare, L.P. | 1,402 | +260 | 6.3% |
| Health Care Service Corporation | 1,148 | −87 | 5.2% |
| CVS Health Corporation | 785 | −45 | 3.5% |
| Centene Corporation | 175 | −127 | 0.8% |
| St Francis Health System & St John Health System | 109 | +28 | 0.5% |
| Valir PACE, LLC. | 35 | +1 | 0.2% |
| Elevance Health, Inc. | 24 | +2 | 0.1% |
| Mitchell Family Office | 23 | new | 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, 13,123 beneficiaries in Cleveland County were assigned to 74 Medicare Shared Savings Program ACOs, 57.3% of assignable Original Medicare beneficiaries. Together, roughly 75% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.