Professor Barbara McGowan

Endocrinologist in London

MA MBBS FRCP PhD

Professor Barbara McGowan areas of expertise:

Professional statement

Professor Barbara McGowan is a London-based leading expert in endocrinology. Her special interests include weight loss, bariatric medicine, polycystic ovarian syndrome, thyroid problems, infertility, adrenal disease and pituitary disorders

After graduating with a MA in Biochemistry in 1988, Professor McGowan worked in the pharmaceutical industry, and eventually went on to study medicine at the Royal Free Hospital, London, and graduated in 1998 with merits. Thanks to her research into the role of gut hormones and other neuropeptides in appetite control, she earned a PhD from Imperial College in 2007.  

Professor McGowan was appointed a clinical lecturer at Imperial College in 2007 and in 2009 as a consultant and honorary lecturer in diabetes and endocrinology at Guy’s and St Thomas’s, London. She now leads the obesity bariatric service at Guy’s and St Thomas Hospital and is a general medicine physician.

Outside of her clinic she is dedicated to research, particularly in the areas of gut hormones and remission of type 2 diabetes post-bariatric surgery. Her work has been recognised by NIHR/RCP who awarded her for her 'outstanding contribution to research' in 2016. 

She has published extensively in high-impact journals, including The Lancet and the New England Journal of Medicine. She practices at Guy's Hospital and BMI Bishops Wood while also serving as an honorary professor at King's College London. 

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All reviews are from real patients and have been verified by our Client Relations department to ensure they meet the service standards.

Patient reviews

Verified Patient
13/02/2024

Would you recommend this doctor?

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Patients comments

I was very impressed with the whole process of seeing Professor McGowan via eConsult. Professor McGowan was very understanding and helpful. She gave clear explanations and reiterated it all in a detailed clinic letter the next day. Would highly recommend.

Verified Patient
19/01/2024

Would you recommend this doctor?

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Patients comments

Professor McGowan has been excellent throughout all appointments with her. She started off by managing my thyroid problems, undertaking a weight loss program call Roczen which was very successful and then managing my thyroid levels throughout my pregnancy and beyond. Thank you!

Verified Patient
04/02/2023

Would you recommend this doctor?

  • Bedside manner
  • Friendliness of the staff
  • Wait time
  • Facility's features

Patients comments

The service was really good and I felt comfortable. Dr. McGowan clearly explained my condition and I am very satisfied.

Verified Patient
06/12/2022

Would you recommend this doctor?

  • Bedside manner
  • Friendliness of the staff
  • Wait time
  • Facility's features

Patients comments

Great Professor. I'm grateful to meet Prof McGowan . She explains things very clear and has the willingness to help her patients


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Other information about Barbara McGowan

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