The procedure was performed by Dr. William Meyers at the Vincera Institute in Philadelphia. There was no timetable given for Hernangomez's return.
Hernangomez averaged 5.8 points and 3.8 rebounds during the 2018-19 regular season. He played sparingly in the postseason before the Nuggets were eliminated in Game 7 of the second round by Portland.
Hernangomez, 23, said after the season that he was hoping to possibly suit up for Spain at the FIBA World Cup in China later this summer.
Denver drafted Hernangomez with the 15th overall pick in 2016.