Dr. D. Nageshwara Reddy is an Indian gastroenterologist who studied at the Kurnool Medical College. He is the Chairman and founder of Asian Institute of Gastroenterology (AIG) at Hyderabad, the biggest gastroenterology hospital in the world. He received the Padma Shri award in 2002 and Padma Bhushan award in 2016.
An elected fellow of the National Academy of Medical Sciences, he was given the world's highest gastroenterology award in Shanghai, China, at a function held in September, 2013. He was conferred with the Rudolf V. Schindler Award, the highest category in the prestigious Crystal Awards named after Dr Schindler who is considered as “the father of gastroscopy” by American Society of Gastrointestinal Endoscopy (ASGE) 
The American Society of GastroIntestinal Endoscopy (ASGE) awarded Reddy the Master Endoscopist Award in 2009. This is the highest award in the field of endoscopy in the world, and is also termed as the "Nobel Prize of Endoscopy".
He was awarded the Padma Bhushan by Government of India in 2016.