Yes, Zostavax is covered by Medicare Part D. Medicare Part D provides coverage for vaccines, including the shingles vaccine, which Zostavax is. The coverage for vaccines under Medicare Part D is typically provided through standalone prescription drug plans (PDPs) or Medicare Advantage prescription drug plans (MAPDs). It's important to note that coverage details can vary depending on the specific plan, so it's recommended to check with your Medicare Part D plan provider to confirm the coverage for Zostavax. Additionally, the coverage may be subject to deductibles, copayments, or coinsurance, so it's advisable to review the plan's formulary and cost-sharing details to understand the out-of-pocket expenses associated with getting the Zostavax vaccine through Medicare Part D. Overall, Zostavax is generally covered by Medicare Part D, but individuals should verify the coverage specifics with their plan provider.