Dr. Ayub is an Oncologist and Hematologist with Florida Cancer Specialists and Research Institute in Pasco County. He has been providing care to patients at FCS since 2012. Dr. Ayub received his medical degree from the Fundación Universidade Rio Grande School of Medicine in Rio Grande do Sul, Brazil. His post-graduate training included an internship and residency in Internal Medicine at Hospital Nossa Senhora Da Conceicao in Porto Alegre, Brazil, where he was named as Chief Resident, and at Mount Sinai Medical Center in Miami Beach, Florida. He also completed a fellowship in Hematology/Oncology at the University of Miami/Jackson Memorial Hospital. He is Board-certified in Hematology, Internal Medicine and Medical Oncology.