He has over 27 years of experience practising medicine in various hospitals and clinics. Currently, Dr. S Rajendran is working with Ashwath Health Care. He has worked with Madras Medical College, Rajiv Gandhi Govt General Hospital, Govt Stanley Medical College & Stanley, AGM Hospital in the past. Apart from his association with different hospitals, he has put his skills to the test in many other ways. He is a member of Asian Institute of Gasteroenterology, Indian Association of Surgical Gastroenterology. Dr. S Rajendran is an alum of Coimbatore Medical College where he earned a MBBS. Dr. S Rajendran has MS - General Surgery from Kilpauk Medical College, Chennai and MS from Kilpauk Medical College, Chennai as well.