Medicare Advantage Plans in St. Clair County, Missouri

42 Medicare Advantage plans are available in St. Clair County for 2026. Compare premiums, benefits, and star ratings to find the best plan for you.

Counts include Medicare Advantage plans with and without drug coverage and Special Needs Plans, which have additional eligibility requirements. Stand-alone Part D and Medicare Cost plans are excluded. Average premium uses the 42 plans with a reported premium; missing prices are excluded. Benefit percentages show the share of all listed plans with that benefit confirmed in our data. Missing benefit data does not mean a benefit is unavailable.