What does RD and LD mean when following a doctors name?

RD stands for "registered dietitian" and LD stands for "licensed dietitian". Both RD and LD are protected titles that require specific training and education. In order to become an RD or LD, a person must have at least a bachelor's degree in nutrition and dietetics, complete an accredited internship program, and pass a national exam. RDs and LDs are qualified to provide nutrition counseling and education to individuals and groups. They can also work in hospitals, clinics, and other healthcare settings.