There have been no injuries and authorities confirmed that there is not an active shooter situation.
An active shooter alert was posted on their Facebook which instructed all occupants were issued an alert to run, hide or fight.
All non-emergency personnel have been advised to stay away from the compound.
Three nearby schools have been placed on lockdown as a result of the active shooter situation.
Naval Medical Center San Diego posted on their Facebook account a little after 8am on Tuesday; ‘An active shooter has just been been reported in building #26 at Naval Medical Center San Diego. All occupants are advised to run, hide or fight.
A spokesman for the center said that the report was of gunshots heard in the same building that houses offices and barracks for wounded soldiers.
The San Diego Fire Department confirmed that military police on the base are investigating an active shooter report.
San Diego Police confirmed reports of a shooter.
