Dr. Ruth Greenfield, MD is a seasoned internist in Durham, NC, bringing over 38 years of experience to her practice. She graduated from Duke University School of Medicine in 1985 and is affiliated with Duke University Hospital and the Durham VA Medical Center. Dr. Greenfield specializes in Internal Medicine, with a focus on cardiovascular conditions including cardiomyopathy, heart failure, and atrial fibrillation and atrial flutter. Fluent in English, Dr....