Show telephone contact numbers
Hide telephone contact numbers
General enquiries:
Book an appointment:
Self-pay enquiry:
The London Clinic


  • Diabetes and Endocrinology
  • General surgery

Sub specialties

  • Thyroid, adrenal, pituitary disorders, hormone deficiencies and specialist endocrine testing
  • Calcium, parathyroid, vitamin D, osteoporosis and bone metabolism
  • Obesity, bariatrics, polycystic ovarian syndrome (PCOS), hirsutism, fertility problems
  • Diabetes (type 1 and type 2) and complications, lipid disorders, hypertension, cardiovascular risk reduction
  • Genetic endocrine conditions and neuroendocrine tumours

Professional profile

Dr Chahal qualified from St Bartholomew's and the Royal London School of Medicine in 2001. He trained in endocrinology and diabetes at St Bartholomew's Hospital. In 2007 he was awarded the prestigious Medical Research Council training fellowship to undertake research in the field of pituitary tumorigenesis, resulting in several influential research papers in high impact journals. He has been awarded several national and international prizes for his research and clinical work. He has written several textbook chapters. He is the Lead Bariatric Physician and manages patients prior to and after bariatric surgery and pharmacotherapy to reduce their complication risks and optimise the health benefits of weight loss. Dr Chahal is an experienced endocrinologist in all aspects of Endocrinology and Diabetes. He also has an interest in undergraduate medical education and in 2016 was appointed Director of Clinical Studies at Imperial College Healthcare NHS Trust (St Mary’s Hospital site).

Make an appointment

Current posts

  • Consultant in Diabetes, Endocrinology and General Internal Medicine
    Imperial College Healthcare NHS Trust
  • Honorary Senior Clinical Lecturer
    Imperial College, London

Medical training

Year qualified
  • St Bartholomew's and the Royal London School of Medicine

Ages treated

Share to Twitter Share to Facebook Share to LinkedIn Share to Google Plus

Make an appointment

Clinic location

5 Devonshire Place
London W1G 6HL
View map and location details

Clinic times

Monday: Evening
Tuesday: Ad hoc
Wednesday: Ad hoc
Thursday: Ad hoc
Friday: Ad hoc
Saturday: Ad hoc
Sunday: Ad hoc

Main switchboard: +44 (0) 207 935 4444

Treatment enquiries: +44 (0) 207 616 7693Consultant appointments: +44 (0) 207 616 7693 Prices for self funding patients: +44 (0) 203 219 3315Physiotherapy appointments: +44 (0) 207 616 7651X-ray and scan appointments: +44 (0) 207 616 7653Invoice and payment enquiries: +44 (0) 207 616 7708

Close menu