Dr. Sara Jane Cromer is an endocrinologist and clinical investigator at Massachusetts General Hospital. Her research leverages large, real-world data sets, including electronic health records, insurance claims databases, national health surveys, and biobanks to study patterns of clinical practice, disparities in care, comparative effectiveness of medications, and the interaction of risk factors for type 2 diabetes. As the PI of the RADIANT study, she also focuses on the identification and classification of atypical diabetes phenotypes.