Medicare Advantage in Franklin County, Idaho
926 people in Franklin County, Idaho were enrolled in Medicare Advantage in October 2026, 32.4% of 2,856 eligible beneficiaries (−8.4 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 73% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 5,682 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 636 members here are in plans that terminate or leave the county. MA plans offered go from 7 to 4.
Parent organizations in Franklin County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 661 | +520 | 72.8% |
| Humana Inc. | 170 | +108 | 18.7% |
| Molina Healthcare, Inc. | 47 | new | 5.2% |
| Fenyx Health Holdings, Inc. | 17 | new | 1.9% |
| CVS Health Corporation | 13 | +1 | 1.4% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 546 beneficiaries in Franklin County were assigned to 9 Medicare Shared Savings Program ACOs, 42.4% of assignable Original Medicare beneficiaries. Together, roughly 61% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.