Dr. Navin Kumar Marannan

Dr. Navin Kumar Marannan is a Consultant Hepatologist and Medical Gastroenterologist at Dr. Rela Institute & Medical Centre in Chennai, India. With over 15 years of clinical experience and more than 5 years specialising exclusively in hepatology, he holds a DM in Hepatology from the Institute of Liver and Biliary Sciences (ILBS) in New Delhi—one of India's premier liver centres—complemented by an MD in General Medicine and MBBS foundation training from Stanley Medical College, Chennai. His combination of rigorous academic preparation and hands-on clinical expertise positions him as a trusted specialist in complex liver disease.

Dr. Marannan's clinical practice encompasses the full spectrum of advanced hepatology and gastroenterology. He manages chronic liver diseases, including viral hepatitis B and C, non-alcoholic fatty liver disease, autoimmune liver conditions, and cirrhosis with portal hypertension. His procedural proficiency includes hepatic venous pressure gradient (HVPG) measurement, percutaneous and transjugular liver biopsy, ERCP with therapeutic interventions, and emergency bleeding management. He also specializes in comprehensive care for liver transplant patients—both pre- and post-operative—reflecting his deep experience in transplant hepatology gained during his fellowship at ILBS.

International patients from the Gulf region, East Africa, and South Asia seek Dr. Marannan for his evidence-based approach to treatment planning and his fluency in English, Hindi, and Tamil. He takes time to explain liver disease pathology and treatment options clearly, making complex conditions accessible to patients from diverse backgrounds. His patient reviews consistently reflect confidence in his diagnostic acumen and compassionate clinical management.

Dr. Rela Institute & Medical Centre is a multi-specialty tertiary-care centre renowned for liver care, supported by advanced endoscopy suites, transplant facilities, and dedicated hepatology wards. The hospital's robust international patient support system—including visa assistance, medical record coordination, and follow-up telemedicine—ensures that patients from abroad receive seamless care and easy communication with Dr. Marannan before and after treatment. International patients appreciate the hospital's NABH accreditation and the expertise of its liver transplant and hepatology teams.

When choosing a hepatologist for chronic liver disease, liver transplant management, or complex gastrointestinal conditions, international patients benefit from Dr. Marannan's blend of formal training at India's top liver institute and his sustained clinical depth in managing conditions that often require ongoing specialist input. Gaf Healthcare facilitates direct access to his consultation, investigation planning, and treatment coordination.