RDS Services is not affiliated with the Retiree Drug Subsidy Program (RDS). The opinions, products and services available at this web site are solely those of RDS Services and is not endorsed by the Retiree Drug Subsidy program, the Centers for Medicare & Medicaid Services (CMS), or any affiliated government organization. RDS is an acronym used for the Retiree Drug Subsidy program which is managed by the Centers for Medicare & Medicaid Services (CMS) under the U.S. Department of Health & Human Services, a department of the federal government.