Medicare Part D Premiums Based On Income 2024 Calendar. The base national medicare part d premium in 2024 is $34.70. The average part d plan deductible in 2024 is $505 per year.

The average premium for part d, which covers drug costs, will be about $55.50 a month in 2024 down from $56.49 in 2023. You can earn up to four credits a year.