Dr. Arnab Ray joined the staff of Ochsner in April 2012. Dr. Ray is board certified in internal medicine and gastroenterology. He completed his gastroenterology fellowship at Ochsner and practices general gastroenterology.Dr. Ray is currently conducting research studies on Clostridium difficile infection and ulcerative colitis. Dr. Ray serves as section head of general gastroenterology as well as the program director of Ochsner's GI fellowship.