There will be new rates for Medicare costs this year, 2020. The premium will rise by nearly 7% to $144.60 a month, up to $135.50 in 2019. Upper-income retirees pay higher premiums and those rates also are going up. The annual deductible for Part B coverage, which includes doctor visits and outpatient care, also will go up by 7% to $198, an increase of $13 from the annual deductible of $185 in 2019. The announcement comes nearly a month after the Social Security Administration set a modest 1.6% cost-of-living adjustments to benefits in 2020, which works out to approximately $24 a month for the average retired worker . Medicare Part B Income-related Monthly Adjustments Since 2007, a beneficiary's Part B monthly premium is based on his or her income. These income-related monthly adjustments amounts (IRMAA) affect roughly 7% of people with Medicare Part B.   Beneficiaries who file individual tax returns with income Beneficiaries who file joint tax ret...