Mount Sinai Doctors-Hazlet, Cancer is NOW Mount Sinai Tisch Cancer Center-Staten Island located at 1441 South Ave., Staten Island, 718-987-9777. The Mount Sinai Tisch Cancer Center on Staten Island offers comprehensive cancer care in a patient-centered, state-of-the-art location. Our highly skilled hematologists/oncologists are vastly experienced in diagnosing and treating a wide range of conditions including solid tumors, blood cancers and non-cancerous blood disorders, and offer chemotherapy infusion, immunotherapy, targeted therapy, and benign-hematology services such as immunoglobulin and iron infusion.