Pharmaceutical US Senator Chuck Grassley (Republican, Iowa), ranking member of the Committee on Finance, has now received a response to his July 29 letter to the new Centers for Medicare and Medicaid Services (CMS) Administrator, Donald Berwick, requesting information about funding of his former organization, the Institute for Healthcare Improvement. Dr Berwick declined to release key funding information, said Sen Grassley, who made the following comment. 1 September 2010