Pathology Department of Pathology – Clinical Department Heads Dr. Ather Naseemuddin Clinical Department Head Dr. Ather Naseemuddin is an American Board-certified anatomical pathologist and Fellow of… Dr. Chelsey Ellis Clinical Department Head A Fellow of the Royal College of Physicians and Surgeons of Canada,… 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… Horizon locations offering this service: Fredericton Facility Name Address Phone Dr. Everett Chalmers Regional Hospital (Fredericton) 700 Priestman St. , PO Box 9000, Fredericton, New Brunswick, E3B 3B7 506-452-5400 Miramichi Facility Name Address Phone Miramichi Regional Hospital 500 Water St., Miramichi, New Brunswick, E1V 3G5 506-623-3000 Moncton Facility Name Address Phone The Moncton Hospital 135 MacBeath Ave., Moncton, New Brunswick, E1C 6Z8 506-857-5111 Saint John Facility Name Address Phone Saint John Regional Hospital 400 University Ave., Saint John, New Brunswick, E2L 4L2 506-648-6000