Internal Medicine Department is the largest department in Hospital Sultan Ismail, Johor Baharu. This department provides medical care and also act as a mandatory training centre for Housemanship.
Internal Medicine Department comprises of the following:
- Internal Medicine Clinik (IMC) located in the Specialist Clinics on Level 2.
- Male Medical Ward (7A)
- Female Medical Ward (7B)
- Corronary Care Unit on level 7.
- Ward 3A was opened to cater for the increasing number of patients.