Consultant Profile

Dr Jonathan Katz

Dr Jonathan Katz MBBChir MD FRCP
Practicing at:
Spire Bushey Hospital
  • Endocrinology and Diabetes Mellitus
    • Diabetes
    • Endocrinology
Special clinical interests:

Thyroid disorders - overactive thyroid, underactive thyroid and thyroid enlargement/goitre; Polycystic ovary syndrome;
Diabetes- Type 1, Type 2 diabetes and insulin resistance
Pituitary disease (e.g. high prolactin level, pituitary tumours)
Testosterone deficiency; loss of libido in men and women
Adrenal failure and adrenal tumours

Research interests:

Training healthcare professionals on diabetes management through web-based e-module

Current NHS and /or university posts:

Consultant in Diabetes and Endocrinology, Royal Free London NHS Foundation Trust, based at Barnet Hospital

Year of first medical qualification:
Current membership(s) of professional, national and regional bodies:

Fellow of Royal College of Physicians
Diabetes UK
Society of Endocrinology

Contact Details 
Telephone number to make a private appointment:
0208 901 5555
Private secretary telephone number:
07983 205 766
Personal email address:
Friday 2.30-5pm
Background Information 
Professional profile:

Dr Katz studied Medicine at Cambridge University (1985-1988) and University College London (1988-1991), qualifying in 1991. He began specialist training in endocrinology in 1994 at St Bartholomew’s Hospital. Dr Katz returned to University College London (UCL) and the Royal Free Hospital for specialist registrar training from 1994-2001. From 1996-1998, he undertook a 2-year research fellowship, culminating in an MD Thesis on “obesity and polycystic ovary syndrome”. In 1999, Dr Katz worked as a registrar in Sydney, Australia, gaining an international perspective on endocrinology.

Since 2005, Dr Katz has been a Consultant in Diabetes & Endocrinology at Barnet Hospital: from 2007 Dr Katz was Head of Department of Endocrinology at Barnet & Chase Farm NHS Trust, which in 2014 merged with the Royal Free NHS Foundation Trust. In 2009, Dr Katz was elected as a Fellow of the Royal College of Physicians (FRCP)- an honour granted to consultants providing the highest standards of care.

Personal profile:

I have travelled widely to South America, South-East Asia and Australasia, as well as the U.S.A and European destinations. I live and work in north London, enjoying family life as well as the entertainment London has to offer. My main hobby is photography, including editing and printing.  I keep fit by running, cycling and swimming. Looking after young children at the weekends is also good exercise! 

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Dr Jonathan Katz

Dr Jonathan Katz Endocrinology and Diabetes Mellitus Consultant, Bushey, Watford, private hospital specialist.

© Spire Healthcare Group plc (2016)