London Allergy and Immunology Centre’s Chest Cough Clinic

Harley Street Allergy Clinic Asthma and Sleep Medicine

Dr. Enson Cherian Thomas MD FRCP
Chest Medicine Consultant Pulmonology
(internal medicine)


Respiratory medicine – pulmonology is a discipline that aims at diagnosing, treating and managing problems affecting lungs and airways.

Our experienced consultant treats a wide range of respiratory complaints with symptoms including shortness of breath, persistent cough, chest discomfort and snoring.

The respiratory expert works closely with leading consultants across a number of medical specialties, including allergy and clinical immunology ear, nose and throat (ENT) providing the multidisciplinary care and respiratory expertise.

Our diagnostic facilities test for a range of respiratory disorders, helping to diagnose faster and arrange treatment for you.

The respiratory physician treats a wide range of respiratory complaints with symptoms including shortness of breath, persistent cough, chest discomfort and snoring. They also help diagnose, treat and manage lung disease and lung cancer.

More about respiratory medicine Consultant Respiratory Physician Specialist in Respiratory medicine: Chest Lung specialist.

Our respiratory department at the Harley Street Allergy Clinic Asthma and Sleep Medicine uses the latest diagnostic and treatment techniques to support the health and function of  lungs

The Harley Street’s leading respiratory and allergy experts deliver the highest quality of care for a range of lung conditions.

The Harley Street Allergy Clinic Asthma and Sleep Medicine offers initial tests or ongoing management of an existing condition. Chronic cough, acute cough, asthma, chest problems, lung disease, COPD, bronchiectasis, lung infection, Non COVID-19 pneumonia.


Respiratory specialists treat a wide range of respiratory and lung disorders from persistent coughs and asthma to lung disease and lung cancer. We also work with a team of thoracic surgeons who offer open and minimally invasive surgery for conditions that affect the lungs.

Diagnosis and treatment using the latest technology and techniques are available for common and non-life-threatening respiratory conditions

Our multidisciplinary team of experts treat a wide range of respiratory conditions, having access to leading tests and treatments.

Our appointment team will arrange an appointment for selected consultant.

Diagnosis and treatment of your cough, including chronic cough.  Our experts can arrange tests for allergy, asthma, infection and stomach problems in Harley Street.

London Allergy and Immunology Centre’s chest clinic offers a comprehensive assessment of your cough


A full medical history and examination, Cough severity assessment, Breathing tests (Spirometry), Exhaled Nitric Oxide measurement, Skin prick allergy testing (with interpretation by allergy consultant), IgE allergy testing  (with interpretation by allergy consultant), if required referral to other specialists experts.


We diagnose and treat these and many more respiratory illnesses

Cough, Breathlessness, Wheeze, Asthma, COPD, Emphysema, Bronchiectasis, Non COVID 19 pneumonia and lung infections, Acute and chronic bronchitis, Sarcoidoisis


Avoid lengthy waiting times, without the need for monthly insurance premiums. Our Self-Pay service.

To book an appointment with consultant chest physician

Please register as a new patient.


+44 (0) 203 14 33 44 9

Biography: Dr Enson Cherian Thomas MD FRCP Chest Medicine Consultant Pulmonology (internal medicine)

Professional Profile

Graduated in 1989 and took Postgraduate degree in Respiratory Medicine in 1994. Completed dual certification in Respiratory and General Medicine in 2002 and has been on the Specialty Register of the UK Royal Colleges since then.

I was awarded an MD, for study on ‘Pulmonary Functions During Sleep in Patients of COPD (chronic obstructive pulmonary disease)’. I have been involved in other studies since, and has served as Principal Investigator for several large, multicentre, multinational clinical trials. Most recently, this includes the COVID-19 Recovery Trial funded by the University of Oxford.
During my tenure at Bedford Hospital, I was the clinical lead for respiratory service and lead clinician for COVID-19Lung Cancer, Respiratory Physiology, Ventilation, and Interventional Pulmonology and was responsible for developing a number of facilities at the hospital, including lung function laboratory, respiratory HDU, pleural ultrasound and interventional pulmonology (including EBUS). I was instrumental in setting up the COVID-19 management and the COVID Virtual Ward during the most recent pandemic. 

I have published in the field of COPD, Lung Cancer and Sarcoidosis. In addition, I have long been involved in teaching and training, serving as educational supervisor and am an award-winning Undergraduate Specialty Tutor in Medicine for Cambridge medical students. I also teach on many lung conditions including asthma, COPD and lung cancer.

Specialises in

Cough, breathlessness, chest pain,

Asthma, COPD,

Lung cancer,

Sleep disorders / Sleep apnoea,

Interstitial lung disease including Sarcoidosis,

Pleural disorders,

COVID and long COVID,

Non-invasive ventilation.

Investigations offered include lung function studies, CT imaging, sleep studies and CPAP titration.

I have been actively involved in teaching and training throughout my career starting from my days as a Houseman. This has continued to date and I am regularly involved in teaching and training medical students from Cambridge, foundation trainees, core medical trainees, GP trainees, nurses, GP’s and Specialist Registrars. I regularly teach on the Foundation core teaching programme and tutorials for the Cambridge medical students.

I have been a ‘Recognized Clinical Teacher’ for the University of Cambridge from March 2006 and the Under Graduate Specialty Tutor in Medicine from January 2011.

I have worked as an ‘Educational Supervisor’ for the Foundation training programme and our Specialist Registrars. This has helped me to have a very useful insight and knowledge into Foundation training and its management. As a result I am now able to provide appropriate leadership to medical education.

Expert in: Asthma, Chronic Obstructive Pulmonary Disease (COPD), Obstructive Sleep Apnoea (OSA), Sleep Disorders, Non – COVID 19 pneumonia

Respiratory (Chest) Doctors in Harley St, Marylebone, London, UK. ‘Respiratory (Chest) Doctors’ in Harley St

Copyright 2024. All Rights Reserved