Niall Dickson, the General Medical Council's chief executive, said he understood people felt "badly let down" over the fact few have been punished for the failings in basic levels of care which were uncovered at Mid Staffordshire NHS Trust.
Robert Francis QC found a focus on financial performance over adequate staffing was a significant factor in the poor care at the hospital.
Despite what the Francis report described as the "appalling and unnecessary suffering of hundreds of people" and a higher than expected death rate among patients, only a handful of clinicians have faced a professional standards board over their roles.
More top news
A dry day with sunshine but cloud amounts increasing for the afternoon. Feeling warm in sunshine away from the Lincolnshire coast.
It will be feeling warm in the sunshine with mostly light winds, although it will turn breezier in the afternoon.
Detectives have launched an investigation after a schoolboy was hurt in a stabbing in Birmingham.