A method and system for automatically adjusting the gantry position to the breast height level of a patient. The automated height adjustment system for mammography imaging systems having a movable gantry associated with a fixed vertical support, comprises a tracking unit for tracking a patients breast height level during patients initial mammography procedure and memory for storing the tracked breast height level along with the patient identification information. The system further comprises a processor configured to access the breast height level using the patient identification information during subsequent mammography procedures for the patient and a drive mechanism capable of automatically adjusting the height of the gantry based on the accessed breast height level.