The department of Internal Medicine is one of the oldest departments, having been in existence since the establishment of the hospital. The Internal Medicine residency-training program began in 2006 and is being accredited by West African College of Physicians to train residents.
The Department has continued to grow and currently there are four (4) units headed by four permanent Consultants. There are currently seven (7) units in the Department. These are Cardiology, Gastroenterology, Neurology, Nephrology, Endocrinology, Respiratory Medicine and Dermatology.
The Department is headed by a Consultant who emerges from within the Department and coordinates all activities in the Department and represents the  Department at Management’s meetings and carries out all tasks and duties assigned by the Management. He is also answerable to the Management through the head of clinical services.
The department functions by the following ways by rendering services through outpatient clinics and inpatient (ward) are,

  1. All units offer specialist clinical services through out- patient clinics and in-patient (ward) care.
  2. The Department also functions as a secondary care provider in the National Health Insurance scheme.
  3. The Department undertakes training programs: Internship for fresh medical graduates (House Officers), Postgraduate Training for Residents in other Departments who rotate through the Department.
  4. The Department also carries out the following specialized investigations like ECG, ECHO, Endoscopy and Bone densitometry and a specialized service: Haemodialysis.
  5. The Department carries out other responsibilities assigned to it by the hospital Management.