Her research focuses on comparing the effectiveness and harms of healthcare interventions/healthcare delivery models to inform clinical decision-making and policy. Dr. Sonawane has experience working in multiple disease areas including hypertension, diabetes, stroke, chronic kidney disease, oncology, irritable bowel diseases, multiple sclerosis, psoriasis, and rheumatoid arthritis. Her expertise is in the use of large healthcare databases (including administrative claims databases, national surveys, electronic medical records, and patient registries) to conduct health outcomes research studies.