The monthly insurance premium for Part B of Medicare is $185 for individuals who had earned less than $106,000 or $212,000 for a married couple filing a joint federal income tax return. As the household income increases, the insurance premium for Part B increases. For individuals who earned over $500,000, the Part B premium is $628.90 per month for 2025. Remember that the monthly premiums are per person. If a married coupled earned over $750,000 and are eligible for Medicare, each person will pay $628.90 for Part B.
