"Do you really wish to know?" Spoilers from the books and/or adaptations to follow!
Vilmerius Hospital is named after an unidentified Vilmerius and is a three-story building located in the northeastern part of The Bits district
The chief surgeon is Joachim von Gratz. Due to recent conflicts, this hospital has had to turn away many of the wounded, as the richer and more influential families receive treatments before the general populace.
It's a place where Priscilla convalesces after she is attacked and Geralt can also bring here an injured witch hunter for treatment.