Dr PL Ramanathan is a Pulmonologist associated with KMCH. He has 33 years of experience and has worked as an expert in different cities in India. He was previously associated with PSG Institute of Pulmonary Medicine, Coimbatore 

Doctor Ramanathan performed double lung transplantations for three patients successfully. He is known for his attention to accurate diagnosis and treating patients empathetically. 

The speciality interests of Dr Ramanathan are:

1. Lung Transplantation
2. Advanced lung disease evaluation and care
3. Chronic respiratory failure care
4. Sleep and Respiratory failure
5. Pulmonary rehabilitation
6. Paediatric advanced and complex lung diseases

He is also an active member of the Indian Medical Association(IMA), the European Respiratory SocietyI (ERS) and the Indian Society of Critical Care Medicine (ISCCM).

Dr PL Ramanathan completed his education as follows:

1. MD Paediatrics from Seth KM School of Post Graduate Medicine, Gujarat University in 1994
2. DM Pulmonology from PGI Chandigarh in 1999
3. Fellowship in Lung transplantation from Toronto General Hospital, University of Toronto in 2014
4. Fellow of the American College of Chest Physicians

He has also participated in research work and various workshops under the Pulmonology department and published many papers.