Medicare Advantage in Wagoner County, Oklahoma
9,396 people in Wagoner County, Oklahoma were enrolled in Medicare Advantage in October 2026, 51.7% of 18,186 eligible beneficiaries (+0.3 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 38% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 2,908 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 72 members here are in plans that terminate or leave the county, and Centene Corporation, Health Care Service Corporation leave. MA plans offered go from 35 to 29.
Parent organizations in Wagoner County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 3,514 | −533 | 37.6% |
| St Francis Health System & St John Health System | 3,080 | +147 | 33.0% |
| Humana Inc. | 1,790 | +699 | 19.2% |
| MHH Healthcare, L.P. | 478 | +82 | 5.1% |
| CVS Health Corporation | 368 | −20 | 3.9% |
| Health Care Service Corporation | 69 | +3 | 0.7% |
| Centene Corporation | 48 | −39 | 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, 3,293 beneficiaries in Wagoner County were assigned to 32 Medicare Shared Savings Program ACOs, 55.6% of assignable Original Medicare beneficiaries. Together, roughly 79% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.