- Nephrology Unit.
- Gastroenterology Unit.
- Endocrinology and Diabetic Center at King Abdul Aziz University Hospital.
In 1387H, the Faculty of Medicine at King Saud University was founded as the first medical school in the Kingdom. In 1394H, special branch of the Faculty was opened to female students. In 1396H, King Abdulaziz Hospital was joined to the College and was known then as Prince Talal Hospital.