Medicare Part D National Base Premium 2024 India. The base national medicare part d premium in 2024 is $34.70. Medicare calculates the penalty by multiplying 1% of the national base beneficiary premium ($34.70 in 2024) times the number of full, uncovered months you didn't have.
Most people generally don’t pay a monthly premium for because they paid medicare taxes while they were working. Learn how to avoid the late enrollment penalty.