George M, Ko DDS/DMDAttending PhysicianGeneral Dentistry Education: Keck School of Medicine of USCMain Office:626-291-2590 Dr. Henry SW Chen DDS 1120 S San Gabriel Blvd #100 San Gabriel, CA 91766 Office Hours: Mon: 10:00 AM - 6:00 PM Tue: 9:00 AM - 6:00 PM Wed: Closed Thu: 9:00 AM - 6:00 PM Fri: 10:00 AM - 6:00 PM Sat: 9:00 AM - 5:00 PM Sun: Closed