Dr. John S is a renowned Gastroenterologist in Madurai and currently practices at Apollo Speciality Hospitals, Madurai. For the past 23 years, Dr. John S has worked as a Gastro Doctors and gained proficient skills and knowledge in the segments.Dr. John S pursued degree of MBBS from Madurai Medical College, Chennai in 1995, MD - General Medicine from Madurai Medical College, Chennai in 2001, DM - Gastroenterology from Madras Medical College, Chennai in 2015Dr. John S is a well-known member of the Indian National Association for Study of Liver Diseases and Indian Society of Gastroenterology. Some of the treatment offered by Dr. John S are Flexible Sigmoidoscopy, Colonoscopy and Endoscopy.