A method and system (100) for automatically adjusting the gantry position to the breast height level of a patient is disclosed herein. The automated height adjustment system for mammography imaging systems having a movable gantry (160) associated with a fixed vertical support, comprises: a tracking unit for tracking a patients breast height level during patients initial mammography procedure and a memory for storing the tracked breast height level along with the patient identification information. The system (100) further comprises: a processor (130) configured to access the breast height level using the patient identification information, during subsequent mammography procedures for the patient and a driving mechanism (140) capable of automatically adjusting the height of the gantry (160) based on the accessed breast height level.