Dr. Naresh Trehan, Chairman and Managing Director, Medanta – The Medicity, is an internationally acclaimed cardiothoracic and cardiovascular surgeon with more than five decades of rich experience. Naresh Trehan is an Indian cardiovascular and cardiothoracic surgeon, founder of Medanta - The Medicity and recipient of several awards, including Padma Shri and Padma Bhushan. Learn about his education, career, biography and achievements on Wikipedia. Naresh Trehan’s parents had to shift their medical practice from Lyallpur (now Faisalabad in Punjab, Pakistan), at the time of partition, to a three-room place in Connaught Place, Delhi, of which two rooms were used as a clinic. Top cardiologist Dr. Naresh Trehan, Chairman of Medanta Hospital, has called Delhi's air pollution a "public health emergency," warning that hospital visits for respiratory illnesses have tripled ...