Protecting Seniors Through Immunization Act of 2017 This bill specifies that certain deductible, coinsurance, initial coverage limit, and cost-sharing requirements that apply under the Medicare prescription drug benefit shall not apply with respect to the shingles vaccine. The Centers for Medicare & Medicaid Services must provide to Medicare beneficiaries specified information regarding: (1) coverage of vaccines for seniors, and (2) access to the shingles vaccine without cost-sharing.