He completed his MBBS from AJ Institute of Medical Sciences, Mangalore under RGUHS in 2012. He went on to complete MD (Medicine) and DNB (Medicine) in 2016 at Government Medical College, Kozhikode, followed by DM in Cardiology from the same institute in 2020. He also holds the MRCPI (2019) from the Royal College of Physicians of Ireland, reflecting international recognition of his expertise.

Dr. Santhosh Narayanan specializes in clinical cardiology, interventional procedures, and comprehensive management of cardiac patients. He emphasizes evidence-based practice, patient safety, and collaborative multidisciplinary care to ensure optimal outcomes in both inpatient and outpatient cardiac services at KMCT Medical College Hospital.