Dr Sunil Zachariah


Consultant Endocrinologist and General Physician
Pituitary disease
Thyroid and parathyroid disease

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Sub Speciality

  • Diabetes
  • Endocrinology
  • Obesity
  • Parathyroid disease
  • Pituitary disease
  • Thyroid disease

Treatment Information

  • Assessment of Thyroid Nodules
  • Dexamethasone Suppression Test
  • Diabetes work up (Type 1, Type 2, Gestational Diabetes)
  • General Endocrinology work up, particularly Thyroid Disorders
  • Pituitary Function Test
  • Synacthen Test
  • Thyroid Work Up (FT4, FT3, TSH, Antibodies)

Clinical interests

  • Adrenal and Pituitary disorders
  • Addison’s disease
  • Calcium Disorders
  • Diabetes and Lipid Metabolism
  • Endocrine Disorders in Pregnancy
  • Hypothyroidism (specifically T3 Conversion issues, T3 replacement)
  • Hyperthyroidism, Hyperparathyroidism Thyroid nodules, Thyroid Cancer
  • PCOS and Hirsutism
  • Obesity and Bariatric work up

Current memberships

  • CCST - Diabetes and Endocrinology
  • Member of British Society of Endocrinology
  • Foundation Doctor (FY1) Programme Director, East Surrey Hospital
  • Medical Audit Lead, East Surrey Hospital

Professional Profile

Consultant Endocrinologist and General Physician with well established private practice in Spire Gatwick Park Hospital, Horley and The Montefiore Hospital, Hove. Full Time NHS Consultant in Surrey and Sussex NHS Trust. Completed Specialist training in London/KSS Deanery and later awarded Fellow of Royal College of Physicians (FRCP). Sees patients with all types of endocrine and diabetes and general medical conditions, but has special interest in Thyroid, adrenal, hyperparathyroidism, neuroendocrine lesions, hyponatremia, PCOS and obesity. Also sees patients with general medical problems, in particular unexplained fatigue. Has patients from across the country and abroad and prides in treating patients holistically. Did period of research in Guildford in Gut hormones and insulin related weight gain. Has published extensively and presented in national and international meetings. Lectures regularly in UK and abroad. Plays an important role in academic training and teaching and is Programme Director for Foundation Doctors in Surrey and Sussex NHS Trust.

Personal Profile

I enjoy travelling and also have a special interest in water colour painting.

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To book an appointment please call:

01273 828 148 for self-funding bookings
01273 828 030 for insured bookings

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