Dr. Naresh Trehan
Cardiac Surgery
About
Dr. Naresh Trehan works in the Cardiac Surgery department at Medanta Mediclinic, Defence Colony, New Delhi, and his specialty is Cardiothoracic & Vascular Surgery. He has 57 years of experience. He completed his MBBS at King George’s Medical College, University of Lucknow, in 1968, and holds diplomate qualifications from the American Board of Surgery and the American Board of Thoracic Surgery.
He treats coronary artery disease, heart valve disease, aortic disease and aneurysms, and complex and high-risk cardiac conditions. His procedures include coronary artery bypass grafting (CABG), off-pump and beating-heart surgery, valve repair and replacement, redo cardiac surgery, minimally invasive and robotically assisted cardiac surgery, and heart transplantation.
He has received the Padma Shri and the Padma Bhushan, the Dr. B. C. Roy National Award and the Lal Bahadur Shastri National Award. He is a Fellow of the American Society of Angiology and of the Indian Association of Cardiovascular-Thoracic Surgeons, and a former President of the International Society for Minimally Invasive Cardiothoracic Surgery. He previously founded the Escorts Heart Institute and Research Centre and was on the faculty of New York University Medical Center.
Qualifications
Awards & recognition
Conditions treated
Where they practise
BioTB TrustScore™ Analysis
Very GoodRanked #21 of 44 cardiothoracic & vascular surgery specialists in New Delhi
Score breakdown
- Credentials & training (25%)6.5/10
postgraduate degree
- Experience & seniority (20%)10.0/10
57 years in practice
- Hospital standing (20%)5.1/10
Medanta Mediclinic, Defence Colony
- Practice depth (15%)8.5/10
6 procedures listed, 4 conditions treated and academic or award record
- Access & transparency (10%)3.0/10
direct contact number
- Profile completeness (10%)8.5/10
reviewed in the last 90 days
Strengths
- Experience & seniority: 57 years in practice
- Practice depth: 6 procedures listed, 4 conditions treated and academic or award record
- Profile completeness: reviewed in the last 90 days
Check before you visit
- Hospital standing: Medanta Mediclinic, Defence Colony
- Access & transparency: direct contact number
BioTB analysis
Dr. Naresh Trehan ranks #21 of 44 cardiothoracic & vascular surgery specialists in New Delhi on the BioTB TrustScore™, placing in the top 46%. The score of 7.1 (Very Good) is driven most by experience & seniority (10/10: 57 years in practice). The main gap is access & transparency (3/10: direct contact number), so confirm those details with the hospital before you visit.
TrustScore™ is computed by the BioTB analysis engine from the facts on this profile, weighted as shown above, and re-ranked against every other cardiothoracic & vascular surgery specialist in New Delhi. How TrustScore™ works
Practice Location & Google Map
Address and map for this listing. Confirm before you visit.
E – 18
Patient Reviews0
No pay-to-rank.
BioTB TrustScore™
Computed by the BioTB analysis engine from this profile's facts and ranked against every doctor of the same specialty in New Delhi. Full analysis
Consultation details
Timings not listed. Call the clinic to confirm OPD days.
Every fact on this profile is sourced from the hospital or clinic's official website and other authoritative public pages, curated by the BioTB editorial team, scored by the TrustScore™ engine and dated at its last review. Rankings cannot be bought.
Where this information comes from
Last reviewed- Medanta Mediclinic, Defence Colony doctor profile (Hospital website, read 2026-10-20)
- Medanta Mediclinic, Defence Colony contact page (Hospital website, read 2026-10-20)
Details such as timings and fees can change, so please confirm with the clinic before you visit. If you are this doctor and something is out of date, request an update. Spotted a mistake? Tell us.
Questions about Dr. Naresh Trehan
Where does Dr. Naresh Trehan consult?
Dr. Naresh Trehan consults at Medanta Mediclinic, Defence Colony, in the Defence Colony locality of New Delhi.
What are Dr. Naresh Trehan's qualifications?
Dr. Naresh Trehan holds an MBBS from King George’s Medical College, University of Lucknow (1968). He is also a Diplomate of the American Board of Thoracic Surgery (1979) and a Diplomate of the American Board of Surgery.
Which conditions does Dr. Naresh Trehan treat?
He treats coronary artery disease, heart valve disease, aortic disease and aneurysms, and complex and high-risk cardiac conditions. His procedures include CABG, off-pump and beating-heart surgery, valve repair and replacement, redo cardiac surgery and heart transplantation.
Other cardiac surgeons near Defence Colony
Dr. Ganesh Shivnani
Chairperson, Cardiac Surgery
Dr. Ganesh Shivnani, Chairperson of Cardiac Surgery at Sir Ganga Ram Hospital, Delhi, with 30 years of experience. MCh (Cardiac Surgery); fee ₹1500.
Dr. Anil Bhan
Senior Consultant, Cardiothoracic and Vascular Surgery
Dr. Anil Bhan, Senior Consultant in Cardiothoracic and Vascular Surgery at Moolchand Hospital, Delhi, with 42 years of experience and an MCh.
Dr. Ashok K Gupta
HOD & Director-Department of CTVS, CTVS
Dr. Ashok K Gupta, Cardiothoracic & Vascular Surgery at Delhi Heart & Lung Institute, Delhi, has 25 years of experience as Head of CTVS.