December 22, 2003 Smith Named Acting Administrator At Centers for Medicare & Medicaid Services Health and Human Services (HHS) secretary Tommy G. Thompson named Dennis G. Smith as interim head of the Centers for Medicare & Medicaid Services (CMS) on December 17, 2003. He becomes acting administrator following the resignation of CMS administrator Tom Scully, which was announced on December 3, 2003. Mr. Smith is currently director of CMS' Center for Medicaid and State Operations (CMSO). Secretary Thompson also said Leslie V. Norwalk will remain in her position as deputy administrator and chief operating officer at CMS . . .