A handy interactive tool allows users to work out the precise gender pay gap at their local NHS organisation.
Some 92 per cent of trusts and clinical commissioning groups across England pay women less than men, according to figures.
The data comes after the Government ordered all companies with more than 250 employees to state their gender pay figures.
Theresa May vowed yesterday to end the ‘burning injustice’ of men earning more than women within a generation.
Try the interactive tool for yourself below
The new tool, by Rangewell, uses the average hourly rate of pay that trusts and CCGs reported to the Government’s Gender Equality Office.
NHS Northern, Eastern and Western Devon CCG, which is responsible for providing health services to 880,000 people, was the worst offender.
The body pays women 40.7 per cent less than men on average – the equivalent of a woman earning 59p compared to a man’s £1.
Queen Victoria Hospital Foundation Trust, located in East Grinstead, West Sussex, was the only other organisation to have a gap above 40 per cent.
At the other end of the scale, women working at Liverpool Community Health Trust earn 17.3 per cent more than men, on average.
Just seven NHS organisations, out of the 211 that were included, pay women and men the same, according to the interactive tool.
Some 92 per cent of trusts and clinical commissioning groups across England pay women less than men, according to figures
Firms with more than 250 staff were given a deadline of midnight on Wednesday to submit gender pay data to the Government.
An analysis of the data, from more than 10,000 companies, revealed almost 80 per cent of large firms pay men more than women.
This means the NHS is a significant offender – with only eight per cent of trusts and CCGs paying women the same or better.
The gender pay gap is calculated as the difference between the average salaries of men and women – it is not the same as equal pay.
A Department of Health and Social Care spokesperson said: ‘We are committed to ensuring that our hardworking NHS staff are rewarded fairly and equally for their work regardless of gender.
‘The Department is working closely with NHS organisations to support them in closing their gender pay gaps and has committed to an independent review of the gender pay gap in medicine.’ NHS Employers has been approached for comment.
Ryanair is one of the best-known company in the top 10 of those with the worst gender pay gap, along with the holding company for Millwall FC.
The airline pays women 71.8 per cent less than men on average – when comparing median hourly rates, for every £1 men earn, women earn just 28p.
It says the disparity is because of the number of UK pilots it employs – 546 are male and only eight are female.
Millwall Holdings PLC reported a median gender pay gap of 80 per cent, compared to an average across all companies who have submitted data of 12 per cent.
Economics think tank the Institute for Fiscal Studies said women taking time out of work for child care fuelled the pay gap.