To amend part D of title XVIII of the Social Security Act to deliver a meaningful benefit and lower prescription drug prices under the Medicare Program.

Medicare Prescription Drug Savings and Choice Act of 2015 This bill amends part D (Voluntary Prescription Drug Benefit Program) of title XVIII (Medicare) of the Social Security Act to require the Centers for Medicare & Medicaid Services (CMS) to offer one or more Medicare-operated prescription drug plan options.  In doing so, CMS must: (1) negotiate...