 [ Symptoms ] are part b medicare premiums automatically adjusted when income decreases [ Disease ] there is a standard monthly cost to medicare part b for anyone earning 85 000 annually or less for married couples the cut off is 170 000 annually if you have been making that amount or less your premium will not change even if your income drops if however you have been making more than 85 000 per year you have likely been paying a higher premium if that is the case i would suggest you contact medicare gov to speak with someone about making sure your premiums are adjusted to reflect your lower income