Attorney General Eric H. Holder Jr., right, announces 36 arrests in Medicare scams during a press conference as Health and Human Services Secretary Kathleen Sebelius looks on in Miami, Friday, July 16, 2010. Federal authorities said they are conducting the largest Medicare fraud bust ever in five different states and arrested dozens of suspects accused in scams totaling $251 million. (AP Photo/Alan Diaz)

Photo by: Alan Diaz

Attorney General Eric H. Holder Jr., right, announces 36 arrests in Medicare scams during a press conference as Health and Human Services Secretary Kathleen Sebelius looks on in Miami, Friday, July 16, 2010. Federal authorities said they are conducting the largest Medicare fraud bust ever in five different states and arrested dozens of suspects accused in scams totaling $251 million. (AP Photo/Alan Diaz)