cancer care, different types of doctors often work together to create a patient’s overall treatment plan that combines different types of treatment Gastroenterologist, a doctor who specializes in the gastrointestinal tract including the stomach and intestines, Surgeon or surgical oncologist, a doctor who specializes in treating cancer using surgery, Medical oncologist, a doctor who specializes in treating cancer with medication, Radiation oncologist, a doctor who specializes in giving radiation therapy to treat cancer, Pathologist, a doctor who specializes in interpreting laboratory tests and evaluating cells, tissues, and organs to diagnose disease.