Healthcare access differs across England, Scotland, Wales, and Northern Ireland...

https://blogfreely.net/gertonmhvf/can-you-access-specialist-care-that-is-not-tied-to-your-local-health-board

Healthcare access differs across England, Scotland, Wales, and Northern Ireland due to each nation's ability to make its own health policies after devolution. This can lead to a so-called postcode lottery, where the care you get depends on where you live