Laboratory Medicine and Pathology Dr. Ather Naseemuddin Clinical Department Head Dr. Ather Naseemuddin is an American Board-certified anatomical pathologist and Fellow of… Dr. Louis-Jacques Cartier Clinical Department Head Dr. Louis-Jacques Cartier is a Fellow of the Royal College of Physicians and… Dr. Navaro Spartaco Clinical Department Head Dr. Navaro Spartaco is American Board-certified in anatomical and clinical pathology with… Dr. Yu Chen Clinical Department Head Dr. Chen is a licensed laboratory physician at Horizon’s Dr. Everett Chalmers…