The facility is a private business on a campus shared with the hospital, according to a KTLA report.
A 20-year-old man was arrested Monday following the shooting and was booked on several charges, including assault with a deadly weapon, according to the Daily News.
The shooting happened during the intake process. The victim pushed a panic button and was shot during a scuffle.
The urgent care facility does not have metal detectors, but will now install them following the incident, according to KTLA.
More articles on hospital violence:
Gun violence in hospitals: How much of a threat is it really?
Surgeon dies from shooting at Brigham and Women’s
Victim of VA Clinic shooting in El Paso identified as psychologist