{"schema_version":"bookimed.page-context.v1","id":"doctor-naresh-trehan","url":"https://hub.bookimed.com/heart-surgery/doctor-naresh-trehan/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/doctor-naresh-trehan.json","index_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/index.json","full_dataset_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/content.json","content_revision":"source-driven-rankings-20261008","date_modified":"2026-10-08","language":"en","kind":"doctor-profile","title":"Naresh Trehan: Coronary bypass specialist","summary":"Naresh Trehan is Medanta’s chief cardiac surgeon. The official service listing spans CABG, valve repair and replacement, aortic disease and complex repeat operations, providing a broad surgical setting when several cardiac problems coexist.","research_credit":{"name":"Yevhenii Kozlov","role":"Co-Founder of Bookimed","url":"https://us-uk.bookimed.com/ceo/kozlov/","contribution":"Research personally prepared and reviewed","assistance":"AI tools assisted source research."},"editorial_scope":"Source-based patient information; an individual treatment plan requires clinical review.","research_method":"How this guide is researched and compared Research project led by Yevhenii Kozlov . We link clinical guidance, primary studies and named hospital or offer sources beside the relevant statements. Comparisons distinguish individual operators from programme results and preserve the study population, follow-up and limitations. Prices are dated examples with their stated scope. Research and editorial preparation are separate from clinical review; no named clinician has medically reviewed this edition. Bookimed provides care coordination. Partner and reference programmes are identified from their sources; paid ordering is not used in our published-cohort comparison. Read the editorial policy .","key_takeaways":[{"label":"Several conditions in one service","text":"The practice listing includes coronary disease, valves, aortic aneurysms and complex redo surgery.","sources":["medanta-surgeons"]},{"label":"Conventional and beating-heart bypass","text":"Medanta names off-pump and beating-heart CABG among his clinical areas, alongside minimally invasive and robotically assisted surgery.","sources":["medanta-surgeons"]},{"label":"Specialist training","text":"Medanta lists American Board of Thoracic Surgery and American Board of Surgery diplomate qualifications and training at NYU.","sources":["medanta-surgeons"]}],"benefits":[{"text":"His listed scope covers coronary, valve and aortic disease within the same cardiac-surgery service, including complex repeat operations.","sources":["medanta-surgeons","medanta-profile"]}],"limitations":[{"text":"The service listing is broad. It does not allocate Medanta’s robotic cases, total-arterial cases or hospital-wide results to Trehan personally.","sources":["medanta-surgeons","medanta-profile"]}],"sections":[{"id":"benefit-balance","title":"Benefits and limitations","text":"Benefits and limitations Potential advantages His listed scope covers coronary, valve and aortic disease within the same cardiac-surgery service, including complex repeat operations. Sources: Cardiac Surgery Experts in Gurugram — Medanta · Dr. Naresh Trehan | Medanta Trade-offs and limits The service listing is broad. It does not allocate Medanta’s robotic cases, total-arterial cases or hospital-wide results to Trehan personally. Sources: Cardiac Surgery Experts in Gurugram — Medanta · Dr. Naresh Trehan | Medanta","links":[{"label":"Cardiac Surgery Experts in Gurugram — Medanta","url":"https://www.medanta.org/doctor-listing/cardiac-surgery-doctors-in-gurugram?page=1"},{"label":"Dr. Naresh Trehan | Medanta","url":"https://www.medanta.org/hospitals-near-me/south-delhi/speciality/cardiology/doctor/dr-naresh-trehan"},{"label":"Cardiac Surgery Experts in Gurugram — Medanta","url":"https://www.medanta.org/doctor-listing/cardiac-surgery-doctors-in-gurugram?page=1"},{"label":"Dr. Naresh Trehan | Medanta","url":"https://www.medanta.org/hospitals-near-me/south-delhi/speciality/cardiology/doctor/dr-naresh-trehan"}]},{"id":"team","title":"Clinical programme","text":"Clinical programme Medanta → Gurugram, India Medanta’s Gurugram team describes different solutions to different CABG decisions. Surinder Bazaz focuses on total-arterial beating-heart bypass and coronary endarterectomy; Nitin Rajput’s scope includes robotic-assisted CABG, endoscopic valve replacement and redo operations. Sources: Dr. Surinder Bazaz — Medanta Gurugram · Cardiac Surgery Experts in Gurugram — Medanta · Cardiac Surgery — Medanta Gurugram Explore the programme and other specialists →","links":[{"label":"Medanta →","url":"https://hub.bookimed.com/heart-surgery/clinic-medanta/"},{"label":"Dr. Surinder Bazaz — Medanta Gurugram","url":"https://www.medanta.org/hospitals-near-me/gurugram-hospital/speciality/cardiology/doctor/dr-surinder-bazaz"},{"label":"Cardiac Surgery Experts in Gurugram — Medanta","url":"https://www.medanta.org/doctor-listing/cardiac-surgery-doctors-in-gurugram?page=1"},{"label":"Cardiac Surgery — Medanta Gurugram","url":"https://www.medanta.org/hospitals-near-me/gurugram-hospital/speciality/cardiology/cardiac-surgery"},{"label":"Explore the programme and other specialists →","url":"https://hub.bookimed.com/heart-surgery/clinic-medanta/"}]}],"introduction":"Heart surgery guide / Naresh Trehan Naresh Trehan · Decision guide Naresh Trehan: Coronary bypass specialist Coronary, valve and complex redo surgery · Gurugram, India Research by Yevhenii Kozlov · Co-Founder of Bookimed Updated 8 October 2026 Sources linked throughout At a glance Naresh Trehan is Medanta’s chief cardiac surgeon. The official service listing spans CABG, valve repair and replacement, aortic disease and complex repeat operations, providing a broad surgical setting when several cardiac problems coexist. Several conditions in one service The practice listing includes coronary disease, valves, aortic aneurysms and complex redo surgery. Sources: Cardiac Surgery Experts in Gurugram — Medanta Conventional and beating-heart bypass Medanta names off-pump and beating-heart CABG among his clinical areas, alongside minimally invasive and robotically assisted surgery. Sources: Cardiac Surgery Experts in Gurugram — Medanta Specialist training Medanta lists American Board of Thoracic Surgery and American Board of Surgery diplomate qualifications and training at NYU. Sources: Cardiac Surgery Experts in Gurugram — Medanta Portrait source ↗ cardiac surgeon Naresh Trehan Medanta → chief cardiac surgeon chief cardiac surgeon · Gurugram, India. Read the clinical or research source ↗","related_documents":[{"id":"heart-surgery","title":"Heart surgery abroad: treatments, clinics and costs","kind":"home","url":"https://hub.bookimed.com/heart-surgery/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/heart-surgery.json"},{"id":"coronary-bypass","title":"Coronary bypass surgery (CABG): options, teams and recovery","kind":"guide","url":"https://hub.bookimed.com/heart-surgery/coronary-bypass/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/coronary-bypass.json"},{"id":"heart-valve-surgery","title":"Heart valve surgery: repair, replacement and catheter options","kind":"guide","url":"https://hub.bookimed.com/heart-surgery/heart-valve-surgery/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/heart-valve-surgery.json"},{"id":"surgeons","title":"Find cardiac surgeons and heart specialists by procedure","kind":"surgeons","url":"https://hub.bookimed.com/heart-surgery/surgeons/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/surgeons.json"},{"id":"surgeon-rankings","title":"Heart surgeon rankings by reported experience, method and results","kind":"guide","url":"https://hub.bookimed.com/heart-surgery/surgeon-rankings/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/surgeon-rankings.json"},{"id":"clinic-medanta","title":"Medanta: heart surgery expertise","kind":"clinic-profile","url":"https://hub.bookimed.com/heart-surgery/clinic-medanta/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/clinic-medanta.json"}],"entity":{"id":"naresh-trehan","name":"Naresh Trehan","programme_id":"medanta","role":"chief cardiac surgeon","procedure_relevance":["CABG","valve repair/replacement","aortic","redo","minimally invasive/robotic surgery"],"source_ids":["medanta-surgeons","medanta-profile"],"portrait":{"url":"https://hub.bookimed.com/wp-content/uploads/2026/10/naresh-trehan-208x300.png","source_page":"https://www.medanta.org/hospitals-near-me/south-delhi/speciality/cardiology/doctor/dr-naresh-trehan","width":500,"height":720,"alt":"Naresh Trehan — official portrait"},"topics":["cabg","valve","aorta","redo","minimal"],"discipline":"cardiac surgeon","official_url":"https://www.medanta.org/hospitals-near-me/south-delhi/speciality/cardiology/doctor/dr-naresh-trehan","profile":{"intro":"Naresh Trehan is Medanta’s chief cardiac surgeon. The official service listing spans CABG, valve repair and replacement, aortic disease and complex repeat operations, providing a broad surgical setting when several cardiac problems coexist.","clinical_focus":[{"label":"Several conditions in one service","text":"The practice listing includes coronary disease, valves, aortic aneurysms and complex redo surgery.","source_ids":["medanta-surgeons"]},{"label":"Conventional and beating-heart bypass","text":"Medanta names off-pump and beating-heart CABG among his clinical areas, alongside minimally invasive and robotically assisted surgery.","source_ids":["medanta-surgeons"]},{"label":"Specialist training","text":"Medanta lists American Board of Thoracic Surgery and American Board of Surgery diplomate qualifications and training at NYU.","source_ids":["medanta-surgeons"]}],"evidence":[],"consultation_questions":[],"current_role_note":"chief cardiac surgeon · Gurugram, India.","source_basis":"Institutional clinical profile and programme description","key_takeaways":[{"label":"Several conditions in one service","text":"The practice listing includes coronary disease, valves, aortic aneurysms and complex redo surgery.","sources":["medanta-surgeons"]},{"label":"Conventional and beating-heart bypass","text":"Medanta names off-pump and beating-heart CABG among his clinical areas, alongside minimally invasive and robotically assisted surgery.","sources":["medanta-surgeons"]},{"label":"Specialist training","text":"Medanta lists American Board of Thoracic Surgery and American Board of Surgery diplomate qualifications and training at NYU.","sources":["medanta-surgeons"]}],"benefits":[{"text":"His listed scope covers coronary, valve and aortic disease within the same cardiac-surgery service, including complex repeat operations.","sources":["medanta-surgeons","medanta-profile"]}],"limitations":[{"text":"The service listing is broad. It does not allocate Medanta’s robotic cases, total-arterial cases or hospital-wide results to Trehan personally.","sources":["medanta-surgeons","medanta-profile"]}],"patient_sections":[{"id":"benefit-balance","title":"Benefits and limitations","paragraphs":[],"items":[],"sources":[],"kind":"benefit-balance","links":[],"table":null},{"id":"team","title":"Clinical programme","paragraphs":[],"items":[],"sources":[],"kind":"doctor-clinic","links":[],"table":null}]},"profile_slug":"doctor-naresh-trehan"},"sources":{"medanta-profile":{"id":"medanta-profile","title":"Dr. Naresh Trehan | Medanta","url":"https://www.medanta.org/hospitals-near-me/south-delhi/speciality/cardiology/doctor/dr-naresh-trehan","read_at":"2026-10-07","source_type":"official_hospital"},"medanta-bazaz":{"url":"https://www.medanta.org/hospitals-near-me/gurugram-hospital/speciality/cardiology/doctor/dr-surinder-bazaz","title":"Dr. Surinder Bazaz — Medanta Gurugram"},"medanta-surgeons":{"url":"https://www.medanta.org/doctor-listing/cardiac-surgery-doctors-in-gurugram?page=1","title":"Cardiac Surgery Experts in Gurugram — Medanta"},"medanta-programme":{"url":"https://www.medanta.org/hospitals-near-me/gurugram-hospital/speciality/cardiology/cardiac-surgery","title":"Cardiac Surgery — Medanta Gurugram"}}}