I've been with Benenden for several years and they really helped when waiting times for the NHS were long or they wouldn't do a certain thing (for example with Benenden I had laser surgery for varicose veins when the NHS said they wouldn't refer me)
It's the same price for everyone £11.90 per month and the details are here.
www.benenden.co.uk/health/healthcare
If you join quoting my discount code you will get a £10 M&S Card free, the code is NR010978881.
Telephone number to call is 0800 414 8462
This is valid until 9/12/22
They are also offering a £25 Lifestyle Gift card if you join and add another person at the same time.