His core expertise covers multiple subspecialties within internal medicine. In addition, he manages conditions related to heart disease, metabolic disorders, rheumatological diseases, and respiratory illnesses. Therefore, patients benefit from his approach to diagnosis and treatment. He also has extensive experience handling both outpatient and inpatient cases, including emergency related conditions.Before joining HealthHub Clinics, Dr. Shajahan worked as a Consultant Physician for more than a decade in several well-established multispecialty hospitals in India. Furthermore, he gained significant international experience by practicing in the Gulf region for over 17 years at a reputed healthcare institution.Dr. Shajahan obtained his Membership of the Royal College of Physicians (MRCP) from the United Kingdom. In addition, he completed his MD and MBBS degrees from reputed institutions in India. He is also an active member of several professional organizations, including the Association of Physicians of India (API), Indian Medical Association (IMA), and the Research Society for the Study of Diabetes in India (RSSDI). Moreover, he regularly participates in international conferences such as the European Association of Hypertension meeting in Milan, Italy. This commitment helps him stay updated with the latest advancements in internal medicine.