Dr Knight is a Consultant Physician specialising in Respiratory Medicine, with a strong clinical and academic track record in managing complex lung conditions and unexplained breathlessness. He brings to his private practice the same commitment to excellence that marks his NHS and research roles.

Dr Knight treats a wide range of respiratory conditions, with particular interest and expertise in:

• Unexplained breathlessness and chronic dyspnoea

• Asthma, respiratory allergies and allergic airway disease

• Recurrent chest infections, bronchiectasis, and chronic obstructive pulmonary disease

(COPD)

• Sleep-disordered breathing, including sleep apnoea

• Chronic cough and wheeze

• Pleural disease and lung screening / early diagnosis

He frequently combines standard clinical assessment with advanced physiological testing, such as cardiopulmonary exercise testing (CPET), to gain deeper insight into patients’ symptoms and to guide personalised management plans.

Dr Knight is an active clinical academic whose work bridges frontline medicine and research innovation. His publications span The BMJ, The Lancet, Thorax, and Frontiers in Digital Health, with more than3,000 citations across areas including long COVID, ambulatory pneumothorax management, and virtual-ward models of care. He has collaborated with international partners on studies that helped define community pathways for COVID-19, including Management of post-acute COVID-19 in primary careand Remote management of COVID-19 using home pulse oximetry and virtual ward support— both widely cited worldwide.

Dr Knight continues to lead and contribute to studies exploring novel diagnostics, cardiopulmonary exercise testing (CPET), and digital-first respiratory care models to improve patient outcomes and healthcare sustainability.

Dr Knight qualified from University College London (2005) and completed specialty training in respiratory medicine across the North West Thames scheme, with rotations at leading centres including the Royal Brompton, Hammersmith, Royal Free, Harefield, and others. He also holds a Postgraduate Certificate in Allergy Medicine from Imperial College London. In his NHS role, Dr Knight leads the complex asthma and unexplained breathlessness service at West Hertfordshire Hospitals NHS Trust, alongside clinics in sleep apnoea and bronchiectasis / recurrent chest infections. He also serves as Chief Medical Officer at Medefer, where he supports digital health and remote monitoring initiatives.

Dr Knight is actively engaged in research, with publications in areas such as long COVID, remote care models, and respiratory diagnostics. He was awarded an MBE for his pioneering work in virtual hospital care during the COVID-19 pandemic. He is also committed to education, having contributed to the training of junior doctors locally and also works as an Associate Postgraduate Dean and NHS England Education.

Dr Knight believes in a patient-centred, collaborative approach. He aims to listen attentively to each patient’s experience, to explain diagnostic options clearly, and to codevelop tailored treatment plans. Wherever possible, he integrates technology, objective testing and multidisciplinary care to provide optimal outcomes. He works closely with physiologists, cardiologists, physiotherapists, radiologists, thoracic surgeons, and allergy specialists to ensure comprehensive care.

Dr Knight sees private patients for respiratory assessments, second opinions and ongoing management. He welcomes referrals for:

• Persistent or unexplained breathlessness

• Difficult-to-control asthma or allergy-related airway disease

• Recurrent chest infections / bronchiectasis

• Chronic cough (including Unexplained Chronic Cough and Refractory Chronic Cough)

• Sleep apnoea and related symptoms