TY - GEN AU - Trish,Erin E AU - Ginsburg,Paul B AU - Joyce,Geoffrey F AU - Goldman,Dana P TI - Who Pays in Medicare Part D? Giving Plans More Skin in the Game SN - 1533-4406 PY - 2019///1223 KW - Cost Sharing KW - Government Regulation KW - Health Expenditures KW - Insurance Coverage KW - legislation & jurisprudence KW - Medicare Part D KW - economics KW - Prescription Fees KW - Private Sector KW - United States N1 - Publication Type: Journal Article UR - https://doi.org/10.1056/NEJMp1912357 ER -