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Dr. RS Chatterji

Dr. RS Chatterji

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MBBS, MD - Medicine, DNB - Respiratory Diseases, MD - Tuberculosis & Respiratory Diseases/Medicine




39 Years Experience Overall  (21 years as specialist)

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Dr Col Rajat S Chatterji, MD (Medicine), MD (Respiratory Med), DNB (Respiratory Med), is an interventional pulmonologist and internal medicine specialist with 41 years of experience. Along with all pulmonary medicine procedures, he also specialises in sleep medicine, tuberculosis and HIV/AIDS. His passion is curing and caring for patients.He has extensive experience in managing complicated cases in all corners of India in Army/ Command Hospitals and AFMC Pune. Earlier he was HOD at Base Hospital Delhi, HIV Center Delhi Cantt, Rockland Hospital and worked at Fortis Escorts for 8 years.He is in Fortis Vasant Kunj since July 2009. Since 1992, he is a PG teacher in AFMC (Pune university), RR Hospital (Delhi university) ICMR and for DNB; has guided many students for MD/DNB which is ongoing here. He was instrumental in starting the DNB programme in Fortis (Vasant Kunj) in 2011.

Vasant Kunj, Delhi

Fortis Flt. Lt. Rajan Dhall Hospital


Sector B, Pocket 1, Aruna Asaf Ali Marg, Landmark: Opposite Kishangarh, Delhi

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+ 5

Mon - Tue, Thu - Sat

09:30 - 02:00


09:00 - 11:00

Max. 60 mins wait + Verified details

Common questions & answers

Q: What is a Pulmonologist?

A: A doctor who is specialized in diagnosis and treatment of respiratory system diseases is called as pulmonologist. The respiratory system include the airway (all organs that carry air to lungs from body's outside environment), the lungs and the muscles for respiration.

Q: What type of respiratory problems can a Pulmonologist treat?

A: Pulmonologists can treat lung or airway inflammation, blocked lung airways, damage to lung alveoli and lung diseases occurred due to inhalation of dust chemical or smoking, genetic diseases of the lung like cystic fibrosis, tuberculosis, asthma, bronchitis.

Q: When do you need to visit a Pulmonologist?

A: You should visit a pulmonologist if you are facing breathing difficulties, having cough from a long time, have blood or mucus in cough, sudden weight loss due to unknown reasons and have severe breathing problem while doing daily activities or exercising.

Q: What tests wil a Pulmonologist do for a check up?

A: Pulmonologists will perform different tests depending up on your problem. These may include CT scan, chest ultrasound, chest X-ray, pulse oximetry test, pleural biopsy, bronchoscopy (to examine airway), breathing test (pulmonary function test) to check functioning of lungs and sleep study to detect sleep disorder.

Q: What is the difference between a Pulmonologist and chest surgeon?

A: Pulmonologists will diagnose and treat respiratory system related disorders but if you are having a serious lung disease then you will be referred to chest surgeon to remove affected lung part or for a lung transplant.



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MBBS - University of Pune, 1979
MD - Medicine - University of Pune, 1988
DNB - Respiratory Diseases - DNB board, New Delhi, 1998


Medical Council of India (MCI)
Indian Medical Association (IMA)


2009 - Present Senior Consultant in Pulmonology at Fortis Flt. Lt. Rajan Dhall Hospital


28204 Delhi Medical Council, 2005
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