naCoastal Cardiology of Orange County 16305 Sand Canyon Ave, Suite 255, Irvine, CA 92618naIrvine16305 Sand Canyon Ave, Suite 255Irvine, CA 92618 Monday: 8:00 AM - 5:00 PM Tuesday: 8:00 AM - 5:00 PM Wednesday: 8:00 AM - 5:00 PM Thursday: 8:00 AM - 5:00 PM Friday: 8:00 AM - 5:00 PM Saturday: Closed Sunday: Closed 949-276-2446