Mr Trystan Lewis
Consultant General Surgeon
About Trystan Lewis
Mr Trystan Lewis is a Consultant General and Upper Gastrointestinal Surgeon at Welbeck Digestive Health, specialising in minimally invasive abdominal surgery including gallbladder surgery and hernia repair, from straightforward keyhole procedures to complex abdominal wall reconstruction.
He holds a senior NHS post at Epsom and St Helier University Hospitals, where he established and co-leads a specialist complex abdominal wall unit and has developed the advanced bile duct exploration service. He also serves as the College Tutor for Surgery, overseeing the training of future surgeons, reflecting his commitment to surgical excellence.
Mr Lewis trained at Imperial College London, where he completed a PhD in surgical innovation and remains active in research, having published and presented work internationally on advanced surgical techniques and innovations.
An advocate of patient-centred care, Mr Lewis is known for using advanced laparoscopic techniques and day-case surgery to minimise pain, accelerate recovery and reduce the stress of surgery on his patients’ daily lives.
Clinical Posts:
Welbeck, London
Epsom and St. Helier University Hospital
Spire St. Anthonys Hospital, Cheam
Ramsay Ashtead Hospital, Ashtead
Dorking Healthcare, Dorking
Expertise
- Gallstone Disease
- Pilonidal Disease
- Laprascopic Cholecystectomy
- Complex Abdominal Wall Hernias
- Including Laparoscopic Incisional
- Inguinal
- Femoral
- Umbilical and Spigelian Hernias
- Lumps and Bumps
- Pilonidal Excision
- and Laparoscopic Surgery
Consultations and services
- Self-pay available from £250
- Health insurance
- Self-pay available from £200
- Health insurance
Insurers covered
- +4 more
- Allianz Partners
- Cigna International
- Healix
- Henner
Tests & treatments
Conditions & symptoms
Locations
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Frequently asked questions
Yes, but only for certain services. Some consultations, assessments, and treatments can be booked directly, while others require a GP or specialist referral. Please check the relevant service page for guidance, and contact the centre if you’re unsure.
We aim to offer appointments as quickly as possible, and many services have same-day or next-day availability. Waiting times vary depending on the appointment type, specialty, and consultant availability, but our team will always offer the earliest suitable appointment.
Yes. You can arrange an appointment for a family member, or someone you care for, just let us know when you get in touch. We’ll need their details and consent to complete the booking, unless you're their legal guardian or have power of attorney.
Your first consultation includes a detailed discussion of your symptoms, medical history, and lifestyle factors, followed by a thorough examination. It’s helpful if you can bring the results of any previous investigations with you, as well as a list of your current medications. Come with a comfortably full bladder so you can provide a urine sample if requested.