Medicare Part B premiums are going up by 9.7% in 2026. - Getty Images Blame medical inflation and more people in need of costly care for the 9.7% jump in Medicare Part B premiums next year. Starting in January, people on Medicare will pay $202.90 in 2026 for their monthly Part B premiums, which provide coverage for services like doctor’s visits, outpatient procedures and medications administered by a healthcare professional. That’s up from $185.00 in 2025. Most Read from MarketWatch The government has ...