Miguel Goncalves was working with Jota after he suffered a little-known issue called a pneumothorax - or collapsed lung - through which the Portugal star had carried on playing.
Portuguese forward, Diogo, died after his Lamborghini careered off a road in northern Spain - just two weeks after he married his childhood sweetheart.
The service will take place in São Cosme in his home city of Porto, northern Portugal - where just two weeks ago the 28-year-old married his childhood sweetheart Rute.
OLIVER HOLT - CHIEF SPORTS WRITER: As a forward who did so much to help Liverpool regain their position as the best team in England, he will always be regarded as one of their favourite sons.
Jota has been characterised by his kindness since his death - best exemplified by the surprise he prepared for Sergio Aguiar, father of Southport victim Alice da Silva Aguiar.
The tyre of the supercar is said to have blown out while overtaking another vehicle on the A-52 at Cernadilla near Zamora - just ten miles over the border from Portugal.