Dr. Castillo is a licensed Hem/Onc in CA. Graduated in 2010. Medical degree obtained from Heinrich-Heine Universitat-Medizinische. Completed residency training at Hackensack University Medical Center(2020) and fellowship training at Loma Linda University(2023). Currently practices at City of Hope (City of Hope), located at 1500 Duarte Rd, Duarte, CA 91010. Dr. Castillo specializes in Bile Duct Cancer, Colorectal Cancer, Gallbladder Cancer, Gastrointestinal Cancers, Gastrointestinal Carcinoid Tumors, Hereditary Colorectal Cancer Multidisciplinary Program, Liver Cancers and Liver Tu. In addition to English, Dr. Castillo speaks Mandarin.