According to CMS, strong competition among competing Part D prescription drug plans has enabled Medicare patients to see "deep discounts on their drugs at their local pharmacies," with much of the savings coming as a result of generic drugs. "In many cases, beneficiaries are using the unprecedented price information provided by Medicare to get much larger savings by switching to lower-cost drugs," CMS said. "Many beneficiaries?have switched to generic drugs, obtaining even deeper discounts on their drug costs."