Dr. Colin John

Dr Colin John is one of India's most experienced cardiac surgeons in Bangalore with over 52 years of experience in cardiothoracic and vascular surgery.

As a Senior Consultant at Narayana Institute of Cardiac Sciences, Narayana Health City, Bangalore, he is a trusted name for patients seeking a paediatric cardiac surgeon in Bangalore or open heart surgery specialist in Bangalore.

His academic credentials include an MS General Surgery from Christian Medical College, Vellore and an FRACS in Cardiothoracic Surgery from the Royal Australian College of Surgeons, placing him among an elite group of cardiac surgeons in India with international fellowship qualifications.

Dr Colin John has successfully performed over 8,000 open heart surgeries, 1,500 closed heart surgeries, and 500 thoracic surgical procedures across a career spanning five decades.

Area of Expertise

Dr Colin John specialises in paediatric and adult cardiac surgery with particular expertise in valvular heart disease, congenital heart defects, coronary artery surgery, and arrhythmia surgery. His surgical practice covers the full complexity range of cardiothoracic procedures developed over more than fifty years of clinical experience.

Conditions Treated

Patients with congenital heart disease, valvular heart disease, coronary artery disease, and cardiac arrhythmias are managed by Dr John across the full spectrum of paediatric and adult cardiac surgical care:

• Mitral stenosis and mitral valve disease
• Tetralogy of Fallot
• Congenital heart disease in infants, children, and adults
• Valvular heart disease requiring surgical intervention
• Coronary artery disease requiring surgical revascularisation
• Cardiac arrhythmias requiring surgical management
• Thoracic surgical conditions

Procedures and Interventions

Paediatric Cardiac Surgery

Children with congenital heart defects are managed by Dr Colin John with expertise developed through thousands of surgical procedures:

• Paediatric Cardiac Surgery for congenital heart defects
• Tetralogy of Fallot Repair
• Congenital Heart Defect Correction

Adult Cardiac Surgery

Patients with valvular, coronary, and arrhythmia-related cardiac conditions are managed with advanced surgical techniques:

• Open Heart Surgery
• Closed Heart Surgery
• Mitral Valve Surgery for mitral stenosis and regurgitation
• Valvular Heart Surgery including repair and replacement
• Coronary Artery Surgery
• Arrhythmia Surgery

Thoracic Surgery

• Thoracic Surgical Procedures

Professional Experience

Dr Colin John currently serves as Senior Consultant in Cardiothoracic and Vascular Surgery at the Narayana Institute of Cardiac Sciences, Bommasandra, Bangalore, where he independently manages complex paediatric and adult cardiac surgical cases.

Prior to his current role, Dr John held consultant positions at leading cardiac centres across India:

• Consultant, Manipal Hospital
• Consultant, Indraprastha Apollo Hospitals, New Delhi

Credentials, Qualifications and Memberships

Academic Qualifications

• MBBS, Christian Medical College and Hospital, Vellore, 1974
• MS General Surgery, Christian Medical College, Vellore, 1979
• FRACS Cardiothoracic Surgery, Royal Australian College of Surgeons, 1985

Medical Council Registration

• Karnataka Medical Council, Registration No 35044, registered since 1993

Professional Memberships

• Royal Australian College of Surgeons

Surgical Volume

• Over 8,000 open heart surgeries performed
• Over 1,500 closed heart surgeries performed
• Over 500 thoracic surgical procedures performed

Why Consult Dr Colin John

Dr Colin John brings 52 years of experience in cardiothoracic surgery, with over 10,000 cardiac and thoracic procedures performed across a career spanning five decades. His FRACS from the Royal Australian College of Surgeons reflects international-level fellowship training, complementing his foundational surgical education at Christian Medical College, Vellore.

His subspecialty expertise includes paediatric cardiac surgery, mitral valve surgery, coronary artery surgery, and arrhythmia surgery, covering the full complexity range of congenital and acquired cardiac conditions. With prior consultant experience at Indraprastha Apollo Hospitals, New Delhi and Manipal Hospital, Dr John has managed complex cardiac cases across India's leading institutions before joining Narayana Institute of Cardiac Sciences.

Book an Appointment with Dr Colin John, Cardiac Surgeon in Bangalore

Dr Colin John, Senior Consultant in Paediatric and Adult Cardiac Surgery, is available for consultations at the Narayana Institute of Cardiac Sciences, Narayana Health City, Bommasandra, Bangalore. To book a priority appointment or check consultation availability, contact via HexaHealth.