Medicare Part B Income Limits 2025 Over 65. Since 2007, a beneficiary’s part b monthly premium has been based on his or her income. View the table below for more of a breakdown on how income level affects part b premiums this.
Base medicare part b premium for 2025 is $174.70 for those with magi under $106,000. Social security withholds $1 in benefits for every $2 in earnings above the.