Dr. Siyang Leng, MD

Dr. Siyang Leng is a board-certified physician specializing in oncology, internal medicine, and hematology with 17 years of clinical experience. He earned his medical degree from the State University of New York Downstate Medical Center College of Medicine and completed his residency training at Mount Sinai Medical Center. His expertise spans the comprehensive care of cancer patients and blood disorders, bringing nearly two decades of specialized knowledge to patient treatment. Dr. Leng provides care in English for his diverse patient population.

Dr. Leng practices at Columbia University Medical Center Hematology Oncology in New York, NY, with hospital privileges at UPMC Presbyterian. He focuses on treating complex blood conditions including polycythemia and anemia, as well as monitoring patients with monoclonal gammopathy of unknown significance. His clinical skills include performing pulmonary function testing and bronchodilator reversibility testing to evaluate lung function in …patients. Patients consistently rate Dr. Leng highly for his care, giving him an average rating of 5.0.