About Dr. Robert Mao
Dr. Robert Mao is a highly experienced and top cardiologist in India with over 40 years of clinical practice in cardiovascular medicine. Throughout his distinguished career, he has developed extensive expertise in diagnosing and treating a wide range of heart conditions.
His areas of specialization include advanced cardiac procedures, including aortic aneurysm repair, vascular surgery, open-heart surgery, percutaneous coronary interventions (PCI), mitral valve replacement, and other heart valve replacement surgeries. Dr. Mao is known for his comprehensive approach to cardiac care, combining clinical experience with modern treatment techniques to provide effective outcomes for his patients.
OPD Schedule Of Dr. Robert Mao
Consultation Fees Rs. 1000 /-
Apollo Hospitals, Greams Road, Chennai
Qualifications and Credentials
- MBBS, Karnataka University, India (1977)
- MD, General Medicine from Karnataka University, India (1980)
- DM, Cardiology from Karnataka University, India (1982)
- Fellow of the Society of Cardiac Angiography And Interventions (FSCAI) (2017-Present)
- Fellow of the American College of Chest Physicians (FCCP)
- Fellow of the Indian College of Cardiology (FICC)
- Fellow of the European Society of Cardiology (FESC)
- Fellow of the Society for Cardiovascular Angiography and Interventions (FSCAI)
Area of Expertise
- Barth Syndrome
- Dilated Cardiomyopathy
- Orthostatic Hypotension
- Acute Aortic Dissection
- Acute Pericarditis
- Restrictive Cardiomyopathy
- Primary Pulmonary Hypertension
- Open Heart Surgery
- Aortic Aneurysm Surgery/Endovascular Repair
- PCI (Percutaneous Coronary Interventions)
- Vascular Surgery
- Mitral/Heart Valve Replacement
Professional Experience
- Senior Consultant and Interventional Cardiologist, Apollo Main Hospital, Chennai, India (19964 - Present)
- Associate Consultant, Apollo Main Hospital, Chennai, India (1992-1996)
- Faculty member (Cardiology) for Post-graduate DNB Teaching Programme in Apollo Hospital, Chennai (1996 - Present)
Awards and Recognition
- Life Member, Indian College of Cardiology (2017-Present)
- Life Member, Cardiological Society of India (1990-Present)
Research & Publications
- Oomman A, Mao R. Coronary arterial fistula from both coronaries to pulmonary artery in association with congenital bicuspid aortic stenosis. Indian Heart Journal. 2000;52(2):201–202. PMID: 10893899.
- Oomman A, Mao R, Krishnan P, Girinath MR. Congenital aortocaval fistula to the superior vena cava. Annals of Thoracic Surgery. 2001 Sep;72(3):911–913. PMID: 11565681.
- Oomman A, Sathyamurthy I, Ramachandran P, Verghese S, Subramanyan K, Kalarickal MS, Najeeb OM, Mao R. Profile of female patients undergoing coronary angiogram at a tertiary center. Journal of the Association of Physicians of India. 2003;51:16–19. PMID: 12693448.
- Sathyamurthy I, Nayak R, Oomman A, Subramanyan K, Kalarickal MS, Mao R, Ramachandran P. Alcohol septal ablation in hypertrophic cardiomyopathy: 8-year follow-up. Indian Heart Journal. 2014 Jan–Feb;66(1):57–63. PMID: 24581097.
- Cardiac Amyloidosis in South India: A Tertiary Care Center Experience. Manuscript accepted in Heart Failure Journal of India.
- Valvular Amyloidosis. Manuscript accepted in Heart Failure Journal of India.
- Narra L, Oomman A, Showkathali R, Mao R, Immaneni S, Gunasekaran S, Yalamanchi R, Reddy YVCR, Dondapati S. Prevalence of subclinical coronary artery atherosclerosis in the general population – Apollo Subclinical Coronary Atherosclerosis Project (ASCAP). European Heart Journal. 2023;44.
- Dhamodaran K, Kasha A, Mao R, Sathyamurthy I. Safety and efficacy of excimer laser coronary angioplasty for diffuse in-stent restenosis – Our initial experience. IHJ Cardiovascular Case Reports. April–June 2023;7(2):39–42.
- Narra L, Oomman A, Showkathali R, Mao R, Immaneni S, Gunasekaran S. Correlation between Exercise Treadmill Test (TMT) and Computed Tomography Coronary Angiography (CT-CAG) in primary prevention population. Indian Heart Journal. Dec 2023;75(Suppl 1):S23–S24.
- Narra L, Oomman A, Showkathali R, Mao R, Sathyamurthy I, Yalamanchi R. Cardiac sarcoidosis masquerading as dilated cardiomyopathy with heart failure. Indian Heart Journal. Dec 2023;75(Suppl 1):S24.
- Hemnath C, Sathyamurthy I, Srinivasan KN, Mao R, Karthigesan AM. Crossing the barriers of left ventricular entry during Percutaneous Transluminal Mitral Commissurotomy using the Agilis NxT catheter. Journal of the Indian College of Cardiology. 2024;14:31–34.
- Mao R, Kalarickal SM, Subban V, Narra L. Covered stent fenestration: A novel bail-out technique for accidental left circumflex coronary artery jailing. Indian Heart Journal. April–June 2025;9(2):35–37.
- Principal Investigator: International study on comparative Health Effectiveness With medical and invasive approaches(ISCHAEMIA).NCTO1471522
- Co-investigator: Hypertension Phase IV trial
Patient Success Stories & Testimonials
Treatment Approach & Philosophy
Treatment Costs
| Treatment/Procedure | Cost Estimate (INR) | Cost Estimate (USD) |
| Open heart surgery | ₹3,00,000 – ₹6,00,000 | $3,600 – $7,200 |
| Aortic Aneurysm Surgery/Endovascular Repair | ₹6,00,000 – ₹9,00,000 | $7,000 – $10,750 |
| PCI (Percutaneous Coronary Interventions) | ₹1,50,000 – ₹3,00,000 | $1,800 – $3,600 |
| Vascular Surgery | ₹2,50,000 – ₹5,00,000 | $3,000 – $6,000 |
| Mitral/Heart Valve Replacement | ₹4,00,000 – ₹6,50,000 | $4,800 – $7,800 |









