Dr. Chayan Kumar Roy is a Gastroenterologist in Ballygunge, Kolkata an…read mored has an experience of 9 years in this field. Dr. Chayan Kumar Roy practices at AMRI Annexe in Ballygunge, Kolkata and Asha The Hope Diagnostic Centre in Dumdum, Kolkata. He completed MD - General Medicine from West Bengal State University in 2015,DNB - Gastroenterology from National Board of Examination, India in 2019 and MBBS from West Bengal State University in 2011.read less