Home » Medical Staff » Emergency Medicine » Tomasin, Talia PA Talia Tomasin, Physician Assistant Talia Tomasin, PA Emergency Medicine is on staff atCHOC Hospital Orange Talia Tomasin is a physician assistant who specializes in emergency medicine at CHOC Hospital. Location EMSOC 1310 W. Stewart Drive, Suite 212 Orange, CA 92868 Education Chapman University, Orange, CA