National Patient Safety Agency
The National Patient Safety Agency (NPSA) was a special health authority of the National Health Service (NHS) in England. It was established in 2001 to monitor patient safety incidents, including medication and prescribing error reporting, in the NHS. Since 1 April 2005 it had also overseen safety aspects of hospital design and cleanliness, as well as food (transferred from NHS Estates).
Source: Wikipedia — National Patient Safety Agency (CC BY-SA 4.0)