MBBS (Vrach), MD, MRCP, FRCPCH
45 years of experience
Windsor, SL4 3SJ
(+1 more)
10 connections in healthcare
Skill endorsed
by Dr. Deepan Vyas, Dr Sudipta Sen and 1 other professional
45 years of experience
Windsor, SL4 3SJ
(+1 more)
10 connections in healthcare
Skill endorsed
by Dr. Deepan Vyas, Dr Sudipta Sen and 1 other professional
Areas of expertise
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Dr Diab Haddad is an experienced Consultant Paediatrician with over two decades of expertise in allergic and respiratory disorders. He has led the Respiratory and Allergy Service at St Peter’s Hospital in Surrey for more than 20 years, providing highly specialised care for children with complex respiratory symptoms, asthma, food allergies, anaphylaxis and other immune-mediated conditions.
After completion of his undergraduate medical training, Dr Haddad enrolled in paediatric training in Jordan and Scotland. He was appointed as a Consultant Paediatrician in London in 1997. He has held honorary consultant positions at both the Royal Brompton Hospital and St Thomas’ Hospital, further strengthening his expertise in paediatric respiratory and allergic disease. He is also an Honorary Senior Lecturer at Imperial College London.
An active contributor to research and medical education, Dr Haddad has authored numerous publications on topics including anaphylaxis, nut allergy and diagnostic allergy testing. He has written several book chapters and served as editor for a paediatric textbook.
With a broad general paediatric background and specialist knowledge in allergies and respiratory medicine, Dr Haddad offers a comprehensive and integrated approach to children’s healthcare. He is known for his ability to consider the child’s symptoms holistically, reducing the need for multiple referrals and increasing the likelihood of reaching a clear, unifying diagnosis.
Having worked within healthcare systems across several countries, Dr Haddad brings a deep appreciation for the importance of the doctor–family relationship. He places great emphasis on listening to children and their families, recognising that their lived experience often holds the key to understanding the condition and guiding effective treatment.
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General Medical Council
No. 3640638
MD 1981 from Kharcov State Medical Institute. USSR
Board Certificate 1989 Jordan
FRCPCH Royal College of Paediatrics and Child Health Edinburgh 1991
British Society of Allergy and Clinical Immunology 2003
New appointment
£275Follow-up appointment
£22539-42 Osborne Road, Windsor, United Kingdom, SL4 3SJ
Unit 10 And 11 Horizon Business Village 1 Brooklands Road, Weybridge, United Kingdom, KT13 0TJ
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This summary was created by AI based on recent reviews
Dr Diab Haddad is kind and thorough in his care. He gives clear explanations for diagnoses and treatment plans. This professional approach puts children and families at ease. Dr Haddad offers strong support regarding allergies.
As always Dr Haddad provided excellent advice in a calm and friendly environment which was both comforting to myself and my young child.
Dr. Diab was great, patient and addressed all our concerns.
Very good with my son today. My son was very relaxed around him
Aside from a delayed appointment start (20mins) the appointment was very positive with Dr Haddad taking his time to listen and ask all relevant and pertinent questions. Excellent manner and made my son and myself feel at ease. Clearly very experienced and very professional.
I visited Dr Haddad with my young son, who was experiencing wheezing. He listened to us patiently, asked detailed questions, and took the time to examine my son thoroughly while making him feel comfortable. He also explained the treatment plan clearly and in detail. I was very happy with the consultation and would highly recommend him.
Dr Haddad explains everything carefully and takes time to listen to all the information and symptoms. He is very thorough in his examination and cares greatly about his patients well being and care. He ensures there is a way forward on finding the appropriate treatment. I would highly recommend him as a paediatric GP.
Really thorough, extremely personable. Would highly recommend!
We had a fantastic experience with Mr Haddad. He was polite, friendly, and immediately made my daughter feel completely at ease. He was extremely professional, took the time to explain everything clearly, and provided us with so much helpful and relevant information. We never felt rushed, and he answered all of our questions thoroughly. We left feeling reassured and confident in the care and advice we received. I wouldn’t hesitate to recommend Mr Haddad to anyone.
Excellent. I felt Dr Diab understood my son and his health concerns, many of which are inter connected. He gave very clear advice.
Dr haddad is great I can highly recommend. He is great with kids, very patient and very thorough making sure all history is considered
Gary Steifel is an excellent paediatric allergist. He is very knowledgeable and has a calm, child-centred approach. I would not hesitate in recommending him.
28 Jan 2026
Dr. Deepan Vyas
PaediatricianI have worked with Dr Hadad during my early training days and have learnt hugely from him
18 Nov 2025
Dr Sudipta Sen
PaediatricianSplendid broad knowledge and great diagnostician.
02 Aug 2025
Professor Mike Thomson
PaediatricianWhat are Dr Diab Haddad's reviews like?
Dr Diab Haddad's overall patient rating is 4.96 out of 5 stars on Doctify. This is based on 240 reviews.
What languages does Dr Diab Haddad speak?
Dr Diab Haddad speaks English, Arabic and Russian
Where is Dr Diab Haddad located?
Dr Diab Haddad primarily practices at The Princess Margaret Hospital (part of Circle Health Group), located at 39-42 Osborne Road, Windsor, United Kingdom, SL4 3SJ
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What are Dr Diab Haddad working hours?
Dr Diab Haddad is working Tuesday (11:00 - 15:00), Wednesday (11:00 - 17:00), Thursday (10:00 - 14:00), Saturday (10:00 - 15:30)
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Does Dr Diab Haddad accept new patients?
Dr Diab Haddad generally accepts new patients.
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