Professor Sanjay Purkayastha

Professor Sanjay Purkayastha

Consultant General Surgeon

Hernias (of All Varieties)AppendicitisGallstones

About Sanjay Purkayastha

Professor Sanjay Purkayastha is a Consultant General Surgeon at Welbeck Digestive Health, specialising in bariatric and upper GI surgery. He is also a senior lecturer at Imperial College London, where he also works as a trauma surgeon, in one of London’s busiest major trauma centres at St Mary’s Hospital.

Professor Purkayastha was one of the first surgeons in the UK to carry out robotic bariatric surgery and is just one of four surgeons at the Imperial Weight Centre: a Tier 3 and Tier 4 service providing weight loss management and surgery for obesity patients from all over the UK. He is also innovating with new personalised digital pathways in private healthcare especially for patients with appendicitis, gallstone disease and obesity related issues.

Professor Sanjay Purkayastha BSc (Hons) MBBS (Hons) MD FRCS (Eng) first qualified in 2000. He trained at Saint Mary’s hospital and medical school, Imperial College London, the London deanery, where he completed his MBBS in 2000, MRCS in 2004 and his MD in 2007. During this period, he was awarded numerous times for excellence in teaching and patient care.

He completed his training at the Royal College of Surgeons England (FRCS Gen Surg), in 2010. During his training he has also spent time at Cook County Hospital, Chicago the Cleveland Clinic, Ohio and the Mayo Clinic in the USA. He was appointed as a consultant surgeon at Imperial College Healthcare NHS Trust, in 2011 and as a clinical senior lecturer at Imperial College, London in 2013.

Professor Purkayastha provides all his bariatric data to the National Bariatric Surgery Registry (NBSR), as he believes that transparency of results and outcome/volume-based surgery ensures the safest and best results for patients.

Expertise

  • Hernias (of All Varieties)
  • Appendicitis
  • Gallstones
  • Pancreatitis
  • Bowel Obstruction
  • Heartburn (Gastro Oesophageal Reflux
  • GORD)
  • Obesity and Weight Loss Management (Bariatric Surgery)
  • Gastroparesis
  • Diverticulitis
  • Achalasia and Benign Hepatobiliary Disease

Overview

Age of patients seen
18+
Languages spoken
English
Online profiles

Consultations and services

  • Self-pay available from £400
  • Health insurance
  • Self-pay available from £250
  • Health insurance

Insurers covered

  • Aviva
  • AXA Health
  • BUPA Limited
  • Vitality Health
  • WPA
  • +4 more

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.