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 rapist who attacked an elderly widow in her own home has been jailed for life, and must serve at least nine years behind bars.
The High Speed 2 rail project should be scrapped as it is likely to be delayed and over budget, according to a think-tank.
The outspoken Birmingham MP tweeted a picture of locksmiths ramping up security at her home after facing fresh intimidation on social media.