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Trust score 98/100
Accepting new patients
Dr
Dr Jonathan Katz
Endocrinology & Diabetes
English
4,377+
Patients seen
6
Years in practice
5
Publications
1
Languages spoken
About
Dr Jonathan Katz is a Consultant in Diabetes & Endocrinology, based at Barnet Hospital, which is part of the The Royal Free London NHS Trust. He has over 30 years experience in treating patients with Thyroid problems, Pituitary disorders, Diabetes and other hormone imbalances including Calcium disorders, Menopause, Testosterone Deficiency and Addison's Disease.
Dr Katz studied medicine at Cambridge University and University College London, qualifying in 1991. He specialised in Endocrinology, completing registrar training at UCLH, the Whittington Hospital and the Royal Free Hospital. During higher training he undertook a two year research fellowship for his MD thesis on polycystic ovary syndrome. Following that, he worked for 1 year as a registrar in Sydney, Australia before returning to teh Royal Free Hospital for his final resgistrar year. Dr Katz was appointed as a Consultant in Diabetes and Endocrinology in 2002.
Dr Katz works as a Consultant Endocrinologist for the Royal Free London NHS Foundation Trust, based at Barnet Hospital. In 2009, he was elected as a Fellow of the Royal College of Physicians (FRCP), an honour granted to consultants providing the highest standards of care. In 2019, Dr Katz was appointed as Regional Advisor for the Royal College of Physicians – this is an elected post with wider responsibilities : supporting training, ensuring new consultant posts fulfil Royal College standards, chairing regional conference updates for physicians and appointing College Tutors.
Dr Katz has a busy NHS Endocrinology practice, seeing over 300 new patients and over 1000 follow-up patients each year. In addition, he looks after inpatients at Barnet Hospital with diabetes emergencies and acute endocrine disorders.
Dr Katz studied medicine at Cambridge University and University College London, qualifying in 1991. He specialised in Endocrinology, completing registrar training at UCLH, the Whittington Hospital and the Royal Free Hospital. During higher training he undertook a two year research fellowship for his MD thesis on polycystic ovary syndrome. Following that, he worked for 1 year as a registrar in Sydney, Australia before returning to teh Royal Free Hospital for his final resgistrar year. Dr Katz was appointed as a Consultant in Diabetes and Endocrinology in 2002.
Dr Katz works as a Consultant Endocrinologist for the Royal Free London NHS Foundation Trust, based at Barnet Hospital. In 2009, he was elected as a Fellow of the Royal College of Physicians (FRCP), an honour granted to consultants providing the highest standards of care. In 2019, Dr Katz was appointed as Regional Advisor for the Royal College of Physicians – this is an elected post with wider responsibilities : supporting training, ensuring new consultant posts fulfil Royal College standards, chairing regional conference updates for physicians and appointing College Tutors.
Dr Katz has a busy NHS Endocrinology practice, seeing over 300 new patients and over 1000 follow-up patients each year. In addition, he looks after inpatients at Barnet Hospital with diabetes emergencies and acute endocrine disorders.
“Evidence-based care tailored to each patient — taking the time to explain options and shared decisions.”
— Dr Jonathan Katz
Education & training
-
2010–2016 MD · Medicine and Surgery
-
2016–2020 Residency · Endocrinology & Diabetes
Career & appointments
-
2020-09–2021-08 Junior consultant
Licenses & insurance
Medical licenses
GB — Organización Médica Colegial de España (OMC)
Board certifications
European Board of Endocrinology & Diabetes
Malpractice insurance:
Generali Healthcare · 5,000,000 EUR coverage
· No claims on file
Procedures performed
| Procedure | Code | Lifetime count |
|---|---|---|
| GP consultation | 99213 | 1,109 |
| Annual physical exam | 99395 | 1,451 |
| Vaccination administration | 90471 | 787 |
| Minor procedure (skin) | 17110 | 2,260 |
Services & pricing
| Service | Duration | Modality | Price |
|---|---|---|---|
| New patient consultation (60m) | 60 min | in_clinic|telemed | 180.00 EUR |
| Follow-up consultation (30m) | 30 min | in_clinic|telemed|phone | 90.00 EUR |
| Vaccination administration | 30 min | in_clinic | 360.00 EUR |
| Minor procedure (skin) | 120 min | in_clinic | 270.00 EUR |
Office, team & in practice
Videos
Research & publications
h-index: 18 · i10: 13
-
Validation of clinical scoring in Endocrinology & Diabetes
DOI: 10.4684/euroclin.2026.0 · PMID: 32227310 · cited by 141
-
Long-term follow-up of Endocrinology & Diabetes across GB
DOI: 10.7599/euroclin.2025.1 · PMID: 32293834 · cited by 183
-
Validation of clinical scoring in Endocrinology & Diabetes
DOI: 10.6221/euroclin.2024.2 · PMID: 38323570 · cited by 121
-
Long-term follow-up of Endocrinology & Diabetes across GB
DOI: 10.5395/euroclin.2023.3 · PMID: 31712557 · cited by 67
Invited talks
- Practical updates in Endocrinology & Diabetes European Annual Congress (Endocrinology & Diabetes) · Vienna · 2024 · invited
- Single-centre experience in Endocrinology & Diabetes National Society Meeting · · 2023 · oral abstract
Awards & memberships
Awards
- 🏆 Top-rated Endocrinology & Diabetes — · EuroClinics Patient Choice · 2025 · regional
- 🏆 Excellence in Patient Care · National Society · 2024 · national
- 🏆 Young Investigator Award · European Society · 2023 · international
Society memberships
- WONCA Europe — Family Doctors — Member · since 2021
- national college of family doctors — Member · since 2021
- European Union of Medical Specialists (UEMS) — Member · since 2021
Patient reviews
- Bedside Manner
- 5.00
- Knowledge
- 5.00
- Wait Time
- 4.75
- Staff Friendliness
- 5.00
- Ease Of Appointment
- 4.90
- Value For Money
- 4.92
- Would Recommend Pct
- 99
-
★ 5 verified visit
“Very thorough first visit — explained every step. Booking was easy and the staff were welcoming.”
-
★ 5 verified visit
“Took time to listen and reviewed all my previous results. I would absolutely recommend.”
-
★ 4 verified visit
“Professional and knowledgeable. Wait on the day was a bit long, otherwise excellent.”
Articles by this doctor
- Patient education Patient guide to Endocrinology & Diabetes
- Awareness When should you see a endocrinology & diabetes?
For international patients
- Coordinator
- Patient liaison · dr.jonathan.katz@euroclinics.example
- Accepted intl insurance
- Allianz Worldwide · AXA Global · BUPA Global · Cigna Global
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