Recently I visualized my medical record data and symptom history, and through the process I learned a lot about myself and was able to craft a more coherent narrative when communicating with my doctors. I’ve since met other patients who are creating insightful visualizations of their medical selves. But if visualizing health and medical data is so enlightening, why aren’t we doing more of it? Why isn’t it easier for patients to really see and understand their complex health information? This talk highlights some compelling stories about patient data visualization and outlines three key opportunities for data viz in healthcare.