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Stewart Duffy

health professional regulation

7th Floor, 85 Fleet Street
London EC4Y 1AE

Tel: 020 7227 7418
Lexology Legal Influencer

Stewart is a Partner in our Healthcare team. Dual-qualified in medicine and law, Stewart’s specialist work involves regulatory and disciplinary matters for doctors, dentists and other healthcare professionals.

“He is an experienced GMC lawyer and is very sensible.” Chambers and Partners UK 2022

“He is a very strong lawyer who is thorough in his approach.” Chambers and Partners 2021

Legal commentators describe Stewart Duffy as “incredibly bright and very clever,” noting his strong experience in professional discipline issues in the healthcare sector. His recent work has focused on representing dentists in proceedings before the GDC. Chambers and Partners 2020

‘He is amazing; he has incredible judgement, and as a doctor who requalified as a solicitor he has incredible background knowledge.’ Chambers and Partners 2018

‘Super-bright.’ Legal 500 2017

Stewart Duffy is a specialist in regulatory and disciplinary matters for doctors, dentists and other healthcare professionals. Sources say he ‘prepares his cases with a fine-tooth comb and always knows every detail.’ Chambers and Partners 2017

Areas of Expertise

Stewart’s caseload includes disciplinary hearings before statutory regulators, including GMC Panels, GDC Committees and Performers List hearings, statutory appeals and judicial review proceedings, as well as advising clients in respect of NHS primary care contract disputes and a variety of regulatory regimes relevant to the healthcare sector including privacy, data protection and the GDPR.


Stewart has a medical degree and MD from Trinity College, Dublin and spent a number of years in hospital practice. He then went on to study law at University College Dublin and re-qualified as a solicitor in England and Wales, having been called to the New York State Bar. Stewart also holds a Certificate in Data Protection Practice from the Law Society of Ireland and a Professional Diploma in Cybersecurity from UCD.

Stewart has published on a variety of legal topics including healthcare disciplinary, data protection and employment law and regular delivers talks and training on topics related to his practice areas.


Client Sectors

Medical defence organisations


The Law Society

International Association of Privacy Professionals

Employment Lawyers Association