Find out more about medicare prescription drug (part d) plan costs and how to choose the prescription drug plan thatÒ€ℒs right for your budget. Each plan can divide its tiers in different ways. Generally, a drug in a lower tier will cost you less than a drug in a higher tier.

Drugs in the select care tier (tier 6) have a $0 copay for up to a 90-day supply in the initial coverage stage. This includes a select number of medications used to treat high blood pressure, diabetes and Ò€¦ For low income subsidy (lis) beneficiaries the copayment amount is based on whether the most expensive ingredient that independently meets the definition of a part d drug in the part d compound Ò€¦