Medicare Advantage in Pottawatomie County, Oklahoma
7,728 people in Pottawatomie County, Oklahoma were enrolled in Medicare Advantage in October 2026, 46.0% of 16,799 eligible beneficiaries (+0.4 pts since October 2025). Humana Inc. is the largest parent organization with 42% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 3,654 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 152 members here are in plans that terminate or leave the county, and Health Care Service Corporation, Centene Corporation leave. MA plans offered go from 34 to 29.
Parent organizations in Pottawatomie County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 3,234 | +1,168 | 42.2% |
| UnitedHealth Group, Inc. | 3,202 | −930 | 41.8% |
| MHH Healthcare, L.P. | 832 | +107 | 10.9% |
| CVS Health Corporation | 168 | −7 | 2.2% |
| Health Care Service Corporation | 162 | −118 | 2.1% |
| Centene Corporation | 53 | −54 | 0.7% |
| Valir PACE, LLC. | 13 | new | 0.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 480 beneficiaries in Pottawatomie County were assigned to 29 Medicare Shared Savings Program ACOs, 7.5% of assignable Original Medicare beneficiaries. Together, roughly 50% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.