Speaking at the crisis special LMCs conference in London Dr Kailash Chand told GPonline general practice was 'on the brink'.
'The political thing is get everything you want to from general practice without ever resourcing them or ever funding anything,' said Dr Chand.
'The time has come when we are seeing GP trainees leaving the profession,' he said. 'Trainees are not interested anymore in general practice.
'The one message very loud and clear is that if you go on this route, politicians, there won't be any GPs left to run the NHS.'
Dr Chand also hit out at the regulatory burden of the CQC, which he said was 'not improving healthcare and if anything is undermining it'.