The German-born surgeon was allegedly punched near the entrance to the Box Hill Hospital on Tuesday night (30th of May), by a 22-year-old man from Mill Park.
The alleged attacker has been charged with intentionally causing injury. He was due to face court today (1st of June).
The Australian Medical Association condemned the attack, saying violence has become a common occurrence in hospitals.
"You should be able to turn up to work and not be abused, threatened or assaulted."
AMA Victoria president Lorraine Baker
An Eastern Health spokeswoman says Mr Pritzwald-Stegmann's family has requested privacy after the "terrible incident".

Der in Deutschland geborene Herzchirurg schwebt seit Dienstagabend in Lebensgefahr Source: AAP