Medicare Advantage in Coal County, Oklahoma
459 people in Coal County, Oklahoma were enrolled in Medicare Advantage in October 2026, 37.6% of 1,221 eligible beneficiaries (+3.0 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 61% of reported enrollment; 3 parent organizations have 11 or more members and the HHI is 4,824 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 0 members here are in plans that terminate or leave the county. MA plans offered go from 16 to 10.
Parent organizations in Coal County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 275 | −15 | 61.2% |
| Humana Inc. | 144 | +65 | 32.1% |
| CVS Health Corporation | 30 | −2 | 6.7% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 42 beneficiaries in Coal County were assigned to 8 Medicare Shared Savings Program ACOs, 6.9% of assignable Original Medicare beneficiaries. Together, roughly 42% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.
