Mr Oliver Warren

Mr Oliver Warren

Consultant Colorectal and Hernia Surgeon

HaemorrhoidsFissure-in-anoPilonidal Disease

About Oliver Warren

Mr Oliver Warren is a consultant colorectal and hernia surgeon at Welbeck Digestive Health, where he specialises in day case hernia surgery, proctology and endoscopy.

He is Clinical Director of Surgery at Chelsea and Westminster Hospital and an Honorary Senior Lecturer in the Department of Surgery and Cancer at Imperial College London. Oliver offers a number of innovative surgical techniques for haemorrhoids, hernias and other common digestive conditions aimed at reducing post-operative pain and ensuring as rapid a recovery as possible.

Mr Oliver Warren BSc (Hons) MBBS (Hons.) MD (Res.) FRCS (Gen.Surg.) qualified from Imperial College London in 2001, coming top of his class in both medicine and surgery. He gained his doctorate in 2009, from Imperial College London. In 2012, he became a Fellow of the Royal College of Surgeons for which he was awarded the ASGBI Gold Medal for outstanding performance.

Prior to becoming a consultant he undertook colorectal surgery fellowships at St. Mark’s Hospital, London and the Royal Prince Alfred Hospital, Sydney. He was the 2013 Association of Coloproctology’s visiting fellow at the Cleveland Clinic, Ohio, USA. All three hospitals are world-famous tertiary referral centres specialising in colorectal disease.

In 2015 he was appointed consultant in colorectal surgery at Chelsea and Westminster Hospital and honorary clinical senior lecturer in the Department of Surgery and Cancer at Imperial College London. Oliver is now the Clinical Director of Surgery at Chelsea and Westminster Hospital.

Consultation fees:

  • Initial consultation from: £335

  • Follow up consultation from: £195

Expertise

  • Haemorrhoids
  • Fissure-in-ano
  • Pilonidal Disease
  • Groin Hernias
  • Colorectal Cancer and Inflammatory Bowel Disease

Overview

Age of patients seen
18+
Qualifications
  • BSc (Hons)

  • MBBS (Hons.)

  • MD (Res.)

  • FRCS (Gen.Surg.)

Languages spoken
English

Consultations and services

  • Self-pay available from £350
  • Health insurance
  • Self-pay available
  • Health insurance

Insurers covered

  • Vitality Health
  • Aviva
  • WPA
  • AXA Health
  • BUPA Limited

Locations

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London

1 Welbeck Street
Marylebone
London
W1G 0AR

More information

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.