Medicare Advantage in Pontotoc County, Oklahoma
2,698 people in Pontotoc County, Oklahoma were enrolled in Medicare Advantage in October 2026, 31.3% of 8,632 eligible beneficiaries (+1.0 pts since October 2025). Humana Inc. is the largest parent organization with 46% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 3,307 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 421 members here are in plans that terminate or leave the county, and Health Care Service Corporation leaves. MA plans offered go from 26 to 12.
Parent organizations in Pontotoc County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 1,225 | +293 | 45.8% |
| UnitedHealth Group, Inc. | 845 | −217 | 31.6% |
| MHH Healthcare, L.P. | 332 | +34 | 12.4% |
| CVS Health Corporation | 191 | +18 | 7.1% |
| Health Care Service Corporation | 83 | +28 | 3.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 407 beneficiaries in Pontotoc County were assigned to 21 Medicare Shared Savings Program ACOs, 9.2% of assignable Original Medicare beneficiaries. Together, roughly 38% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.