Dr Malik is a highly experienced Consultant Cardiologist based in London, with over 25 years of expertise in the field. He was appointed as a Consultant Cardiologist at St Mary’s Hospital and Honorary Senior Lecturer at Imperial College in 2003. Following the merger of St Mary’s, Hammersmith, and Charing Cross Hospitals with Imperial College, Dr Malik began practising at all these prestigious institutions. He also offers private consultations to patients.

In 2010, Dr Malik was appointed lead for the Heart Attack Treatment program, and in 2011, he became the Director of the Cardiac Catheter Laboratories at Hammersmith Hospital. He currently leads the large Heart Attack Centre (HAC) program at Hammersmith Hospital, providing world-class treatment to patients in West London. Additionally, Dr Malik serves as the Director of Structural Heart Disease at Hammersmith Hospital and frequently performs "live-cases" to teach doctors globally.

Dr Malik's areas of expertise include a wide range of cardiovascular conditions and procedures. He specialises in angioplasty, atrial septal defect (ASD) closures, patent foramen ovale (PFO) closures, left atrial appendage (LAA) closures, and transcatheter aortic valve implantation (TAVI) procedures. He is adept at diagnosing and treating coronary artery disease, chest pain, shortness of breath, hypertension, palpitations, and valve disease.

Dr Malik's commitment to delivering exceptional patient care and his role in advancing cardiology practices make him a distinguished figure in his field. His dedication to teaching and his leadership in heart attack treatment programs underscore his significant contributions to cardiology.