Medicare Advantage in Kiowa County, Oklahoma
780 people in Kiowa County, Oklahoma were enrolled in Medicare Advantage in October 2026, 34.4% of 2,267 eligible beneficiaries (+0.2 pts since October 2025). Humana Inc. is the largest parent organization with 49% of reported enrollment; 4 parent organizations have 11 or more members and the HHI is 4,473 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 19 members here are in plans that terminate or leave the county, and Health Care Service Corporation leaves. MA plans offered go from 20 to 14.
Parent organizations in Kiowa County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 381 | +80 | 49.4% |
| UnitedHealth Group, Inc. | 347 | −66 | 44.9% |
| Health Care Service Corporation | 28 | 0 | 3.6% |
| CVS Health Corporation | 16 | −2 | 2.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 280 beneficiaries in Kiowa County were assigned to 14 Medicare Shared Savings Program ACOs, 22.7% of assignable Original Medicare beneficiaries. Together, roughly 49% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.