United Healthcare Exits Medicare Advantage Plans in Sanders County in 2026

United Healthcare has announced its exit from offering Medicare Advantage plans in 109 U.S. counties, including Sanders County, effective January 1, 2026. This strategic business decision impacts current policyholders who must select alternative coverage by December 31, 2025, to maintain continuous Medicare Advantage benefits. Clark Fork Valley Hospital confirmed it remains a participating provider with United Healthcare for both Medicare and Commercial plans, despite the insurer's market withdrawal.