The National Health Service (NHS), Ministry of Defence (MOD), charities and welfare organisations are working together to provide this, wherever you are.
NHS code for reservists
The NHS has a code for Reservists - Armed Forces Reservist Xabnw / V2: 0Z7.
This code flags to GPs and other NHS services that you are a Reservist and, as such, can be supported through the Covenant. One aspect of this is, subject to clinical need, a member of the Armed Forces can be prioritised for treatment.
The NHS is responsible for nearly all community, general practice and hospital services for Reservists and the families of Reservists.
You will need to ensure that your Reservist status is known to your GP surgery.