Dr. S. Viswanath

Dr. S. Viswanath is a Senior Consultant in Medical Oncology with over 17 years of dedicated experience in cancer medicine. A former Brigadier in the Indian Armed Forces Medical Services, he brings exceptional clinical discipline and compassionate care to every patient encounter. He holds an MD in General Medicine from Command Hospital (Airforce), Bangalore, and a DM in Medical Oncology from the prestigious Cancer Institute (WIA) in Adyar, Chennai—institutions recognized for rigorous oncological training.

Dr. Viswanath has managed a broad spectrum of malignancies across his career, spanning chemotherapy, targeted therapy, hormone therapy, immunotherapy, and advanced CAR-T cell therapy. His academic contributions include published research on rheumatoid arthritis, bronchogenic carcinoma, and lymphoma in peer-reviewed journals, demonstrating his commitment to evidence-based oncology. Throughout his military tenure, he served in progressively senior roles—from Assistant Professor to Senior Advisor and Professor—at premier military hospitals across India, including Command Hospital (Western Command) and Army Hospital (Research & Referral) in New Delhi. His leadership credentials include serving as Commandant of Military Hospital, Chennai, underscoring his organizational and clinical expertise.

At Rela Hospital's Cancer Centre in Chennai, Dr. Viswanath treats international patients from the Gulf region, Africa, and South Asia seeking world-standard oncological care. He works closely with multidisciplinary teams to develop personalized treatment plans that balance aggressive cancer control with quality of life. His proficiency in English, Hindi, and Tamil facilitates seamless communication with patients from diverse backgrounds. International patients particularly value his methodical approach to complex cases and his ability to integrate the latest chemotherapy protocols with emerging immunotherapeutic strategies.

Rela Hospital is a Joint Commission International (JCI)-accredited centre of excellence located in Chennai, a major medical tourism hub in South India. The hospital's Cancer Centre is equipped with advanced diagnostic imaging, dedicated oncology wards, and supportive care facilities that meet international standards. The institution's strong reputation for outcomes in breast cancer, hematologic malignancies, and solid tumours, combined with comprehensive patient support services and transparent pricing, makes it an attractive destination for international patients. For those seeking expert cancer management with a physician who combines military-honed precision with cutting-edge oncological science, Dr. Viswanath offers both clinical depth and the reassurance of treatment at a globally recognized facility.