Open enrollment begins on Nov. 1 ST. LOUIS, Oct. 2, 2024 /PRNewswire/ -- Ambetter from Home State Health, a product offered by a Centene Corporation (NYSE: CNC) company, which provides insurance to under-insured and uninsured populations through the federal Health Insurance Marketplace®, will offer Missouri residents a variety of affordable health insurance plans across 109 counties in plan year 2025. Open enrollment for the Health Insurance Marketplace for Missouri runs from Nov. 1, 2024, through Jan. 15, ...