Doctor

"Do not be afraid, your friend is in quite capable hands. Doctor Nala Se is the chief medical scientist on Kamino. She was one of the primary engineers of all the clones."

- Shaak Ti, to CT-5555

Doctor, abbreviated as Dr., was a title granted to individuals who held an advanced degree in a medical or scientific field. They were generally considered an expert on a specific subject of study. Individuals who held the title of doctor included Nala Se, Sionver Boll, and Nuvo Vindi. During the Clone Wars, those clone troopers who were trained as medics were sometimes referred to as "doctor".