The Tarjeta Sanitario Europea (TSE).
If you are resident in Spain, have a Spanish social security number and you are actively paying your contributions into the Spanish Social Security system, you should apply for the Spanish equivalent of the European Health Insurance Card (EHIC) .
You can apply for the card online HERE.
Go into access the service and complete the detail , or alternatively you can visit your nearest social security office, presenting your Spanish SIP card and passport and they will be able to issue it for you.
PLEASE NOTE: UK Pensioners living in Spain, in receipt of a UK pension, need not apply for the Spanish Tarjeta Sanitaria Europea. As quoted by the British Embassy “Since 1st May 2010, the UK is responsible for issuing the EHIC to UK pensioners resident in other EU countries.
Social Security Office Javea:https://www.javea.com/en/servicios-sociales/