- Dr. HJ Nik Isahak Wan Abdullah is a renowned cardiologist having more than 30 years of experience in this field.
- He is adept in performing various procedures which include Balloon Angioplasty of Coronary Artery, Interventional cardiology procedures, Coronary angiogram (CAG), Pacemaker Implantation.
- His other expertise is treating Angina pectoris (chest pain), Atherosclerosis, Cardiothoracic diseases, and cardiovascular disorders.
- He is member and fellow of various esteemed Associations which are National Heart Association Malaysia, Faculty Association Suffolk Community College (FASCC).
- Dr. Abdullah has done training in Cardiology from St. Mary's Hospital London (1981- 83) and in Interventional Cardiology from St. Bartholomew's Hospital, London (1989 -90).
- After completing MBBS from University of Malaya (1978) he has done MRCP from Royal College of Physicians, United Kingdom (1983).