Bariatric Surgery: WH

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Under Review — this page was due to be reviewed by Thursday, 10 July 2025. The information shown here may be outdated.

The bariatric service at Whittington Hospital (WH) is known as the North London Obesity Surgery Service (NLOSS).

The bariatric surgical procedures provided by WH consultants include:

  • Roux-en-Y gastric bypass
  • sleeve gastrectomy
  • one anastomosis/mini gastric bypass
  • laparoscopic adjustable gastric band.

Eligibility Criteria

Inclusions

  • BMI 35-39.9kg/m2 with a qualifying co-morbidity (e.g. type 2 diabetes, high blood pressure, osteoarthritis, polycystic ovary syndrome, obstructive sleep apnoea, hyperlipidaemia metabolic syndrome)
  • BMI 40-50kg/m2 with no co-morbidity required
  • patients would have tried non-surgical measures for at least six months and failed to achieve or maintain adequate clinically beneficial weight loss
  • patients with a BMI of >50kg/m2 do not need a proof of prior engagement with a weight loss programme, however they still need to demonstrate engagement with the workup process at NLOSS, undergo all recommended investigations, meet and maintain a weight loss goals assigned by the NLOSS clinicians.

How to Refer

Letter

Referral methods: e-RS

Refer via e-RS

For urgent cancer referrals, see the 2WW page.

The NLOSS team requires a referral letter from a medical practitioner, which should be addressed to a consultant, before an appointment can be made.

The referring clinician must ensure that the patient’s weight, height, BMI, past medical/co-morbidities and dieting history are clearly stated in the referral letter. Failure to include these details will result in a rejection of the referral.

How to find service on e-RS

  • Specialty: GI and Liver (Medicine and Surgery)
  • Clinic type: Upper GI including Dyspepsia
  • Service name: Surgery Bariatric Service - Whittington Hospital - RKE

Locations

North London Obesity Surgery Service

Outpatient Consultations, Clinic 4B and 4A, Outpatient Department, Whittington Hospital, Magdala Avenue, London, N19 5NF

Service Feedback

020 7288 5372

Review date: Thursday, 10 July 2025