Vedanth Bhartee
Writer · Reviewed by Richard ChanUpdated Jun 12, 2026
1 min read
Standard Medicare Part D plans do not currently integrate directly with cost-plus pharmacy models, meaning purchases from these specialized pharmacies usually do not count toward Part D deductibles.
Medicare Part D plans place covered prescription drugs into pricing tiers, where lower tiers typically feature low-cost generic drugs similar to those offered by direct-to-consumer pharmacies.
The Inflation Reduction Act capped Medicare beneficiaries' out-of-pocket costs for covered Part D insulin at $35 per month and eliminated cost-sharing for recommended adult vaccines.
