The Government Accountability Office (GAO) has released a report entitled "Medicare Part D: Instances of Questionable Access to Prescription Drugs." The GAO found indications of Medicare Part D "doctor shopping" (where individuals see several doctors and pharmacies, receiving more of a drug than was intended by any single physician) for 14 categories of frequently-abused prescription drugs. Specifically, about 170,000 beneficiaries (about 1.8% of beneficiaries receiving the 14 categories of drugs) acquired the same class of frequently abused drugs, primarily hydrocodone and oxycodone, from five or more medical practitioners during 2008 at a cost of about $148 million (about 5% of the total cost for these drugs). The GAO recommends that CMS consider steps such as a restricted recipient program for identified doctor shoppers. CMS agreed with the overall recommendation to improve efforts to curb overutilization in Part D, but disagreed that a restricted recipient program is necessarily the appropriate Part D control.