Ali Houssayn Moussa, MDOncology in Tulsa, OK

Ali H. Moussa, MD, is a board-certified, experienced oncologist with Ascension St. John in Tulsa, Oklahoma. Dr. Moussa diagnoses and treats cancer using medications, such as chemotherapy, immunotherapy and targeted therapies. Every appointment with Dr. Moussa starts with a conversation. He takes the time to answer all your questions - big and small

Dr. Moussa specializes in hematology and medical oncology as well as clinical research. With our multispecialty approach to care, he works with a team of cancer specialists to deliver comprehensive, compassionate care.

Dr. Moussa is board-certified in both internal medicine and medical oncology by the American Board of Internal Medicine and serves as an investigator for the National Cancer Institute. He completed his fellowship in medical oncology at Baylor College of Medicine in Houston, Texas.

Dr. Moussa has been listed as America's Top Doctor by U.S. News Health in the field of medical oncology.