Accepting new patients
Dr.
Mr John Loy
General Surgery
- 🇬🇧
- GP consultation
- Annual physical exam
- Vaccination administration
- Minor procedure (skin)
About Mr John Loy
John Loy is a Consultant Upper GI and Bariatric (Weight Loss) Surgeon at The Homerton University Hospital in Central London. Mr Loy completed his medical school in Belfast in 2002 and went on to complete his Higher surgical training in Severn Deanery, specialising in Upper GI and Bariatric (weight loss) surgery. He is trained to Royal College of Surgeons Fellowship level in weight loss surgery and advanced keyhole surgery. He is the surgical teaching coordinator for Queen Mary University Barts and the London medical students at the Homerton University Hospital and collaborates on research into fatty liver disease in with the Blizzard Institute. Mr Loy regularly appears in the media regarding weight loss surgery and is involved in training and assessing surgical doctors to perform bariatric surgery. Patients appreciate his person-centred friendly and approachable manner ensuring the best outcomes and patient satisfaction. Diseases, Medical Tests and Treatments • Gastric Balloon • Gastric Banding • Gastric Bypass • Gastric Sleeve • Mini Gastric Bypass • Weight Loss Surgery • Gallbladder Surgery • Gastric Band • Gastric Sleeve • Gastric Bypass • Weight Loss Surgery • Gallstones • Hernia • Acid Reflux
"Evidence-based care tailored to each patient — taking the time to explain options and shared decisions."
Credentials & verification
Medical license
Organización Médica Colegial de España (OMC) ·
#-184375
Valid until 2028-12-31
Verify with issuerBoard certification
European Board of General Surgery
#EB-9FB3758F
Renewal due 2028
Verify with issuerMalpractice cover
AmTrust Europe
4,000,000 EUR
Valid until 2026-12-31
No claims on file
Education & training
-
2007–2013
MD · Medicine and Surgery
Universidad de Navarra
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2013–2017
Residency · General Surgery
UAB Barcelona
-
2017–2018
Fellowship · Subspecialty training
Karolinska Stockholm, SE
Career & appointments
-
2017-09–2018-08
Junior consultant
Universidad de Navarra Teaching Hospital — General Surgery
Procedures & conditions
| Procedure | Code | Lifetime volume |
|---|---|---|
| GP consultation | 99213 |
68 |
| Annual physical exam | 99395 |
2,786 |
| Vaccination administration | 90471 |
1,602 |
| Minor procedure (skin) | 17110 |
2,557 |
Patient reviews
See all 975"Very thorough first visit — explained every step. Booking was easy and the staff were welcoming."
"Took time to listen and reviewed all my previous results. I would absolutely recommend."
"Professional and knowledgeable. Wait on the day was a bit long, otherwise excellent."
Recognition & press
Awards
- Top-rated General Surgery — — EuroClinics Patient Choice · 2025 regional
Society memberships
- WONCA Europe — Family Doctors — Member · since 2018
- national college of family doctors — Member · since 2018
- European Union of Medical Specialists (UEMS) — Member · since 2018
Your consultation, step by step
- 1 Choose a slot
- 2 Brief pre-consult form
- 3 Consultation
- 4 Follow-up note & plan
Services & pricing
New patient consultation (60m)
Follow-up consultation (30m)
Vaccination administration
Minor procedure (skin)
Research & publications
h-index: 20 · i10: 10
Selected publications
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European registry analysis of General Surgery outcomes
DOI: 10.9094/euroclin.2025.0 · cited by 116
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Outcomes of General Surgery in adults — a multi-centre cohort
DOI: 10.2114/euroclin.2024.1 · cited by 6
-
European registry analysis of General Surgery outcomes
DOI: 10.9736/euroclin.2023.2 · cited by 8
Show full research record
Additional publications
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Outcomes of General Surgery in adults — a multi-centre cohort
Invited talks
- Practical updates in General Surgery · European Annual Congress (General Surgery) · Vienna · 2024
- Single-centre experience in General Surgery · National Society Meeting · · 2023
Articles by Mr John Loy
Frequently asked
01. Do you accept new patients?
Mr John Loy is currently accepting new patients. Use the booking module to choose a slot.
02. Which languages can I be seen in?
Consultations are available in English.
03. Is the consultation in-person or online?
Most services are offered both in-clinic and via telemedicine. Each service card above marks its modalities.
04. Do you accept my insurance?
Please use the booking flow to enter your insurance — we verify and confirm before your slot.
05. What is the cancellation policy?
Free cancellation up to 24 hours before your slot. Last-minute cancellations may incur a small administrative fee.
06. How is my health data protected?
All records are stored on EU servers, field-level encrypted, and GDPR compliant. Data is never shared with third parties without your explicit consent.
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