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The London ColoRectal Clinic previously offered scheduled outpatient appointments at London Bridge Hospital but from September 2021 will be moving to Cleveland Clinic London from 14th September 2021. The practice has a growing group of patients based around London and internationally. Privately insured and self-paying patients are both welcomed.

The private practice is led by Mr Joseph W Nunoo-Mensah who is currently a consultant colorectal and laparoscopic surgeon at King's College Hospital, London Bridge Hospital and Cleveland Clinic London. The practice offers state-of-the-art modern technology including advanced colorectal, pelvic floor and minimal invasive surgical expertise obtained from the University of Southern California, Los Angeles, CA, USA and the Mayo Clinic, Phoenix, Az, USA.

Mr Nunoo-Mensah is also a specialist for Piles Clinic UK which is a clinic passionate about helping patients find the best specialists in the UK, ensuring access to the very best services in a trusted, transparent, and discrete environment. Patients have access to our Professionals across London and Birmingham in the best, state-of-the-art private hospitals.

The London ColoRectal Clinic also provides medical expert witnesses and produces medico legal reports. Timely, clear, independent medical reports prepared by Mr Joseph W Nunoo-Mensah. We fully understands the requirements of instructing solicitors, in particular the restricted timescales for civil litigation. As we currently receives instructions for medico-legal reports, we will provide a no obligation quotation for the cost of the report and the time scale for the report.


The clinic also actively participates in organising surgical skills courses and providing educational materials for medical doctors and other related professionals. Courses include the basic surgical skills course and a novel open gastrointestinal stapling course at King's College Hospital. The London ColoRectal Clinic (previously known as The ColoRectal Surgeon) has been instrumental in working with the International Society of University Colon & Rectal Surgeons and King's College London to run an annual winter 'Debates & Dilemmas Colorectal Surgery' conference

About Us



Has a 100 year long history and is a non-profit, multi-disciplinary academic medical center for over 100 year. 

Why Consult with Us

Anorectal symptoms and complaints are common and may be caused by a wide spectrum of conditions that affect the colon, rectum and anus. Although most conditions are benign and may be successfully treated in the outpatient clinics, a high index of suspicion for colorectal cancer should be maintained and all patients should be appropriately investigated.


We are consulted by patients with anorectal and colonic symptoms such us abdominal pain, anal pain, anal bleeding, rectal bleeding, rectal prolapse, itching around the anus, haemorroids, piles, constipation, diarrhoea, faecal incontinence.


We offer minimally invasive or laparoscopic surgery for conditions such as colorectal cancer, diverticular disease, diverticulitis, Crohn's disease, ulcerative colitis, and anal fistulae and anal fissures.


For patients with a family history of colon and rectal cancer or polyps, The London ColoRectal Practice offers a comprehensive bowel screening program.

Summary of conditions to consults is about

Abdominal pain

Anal pain

Anal or rectal bleeding

Pus discharge from and around anus

Rectal prolapse

Itching around the anus

Presence of swelling or lumps in or around anus

Haemorrhoids or piles

Passage of mucus per rectum

Constipation or straining during defecation

Frequency of stool or diarrhoea

Faecal incontinence or soiling


Cleveland Clinic Portland Place Outpatient Centre

33 Grosvenor Pl, London SW1X 7HY
24 Portland Place, London W1B 1LU

Outpatient consultation with Mr Nunoo-Mensah will be on Thursday am or Friday evening.
Our Outpatients

Physical face-to-face consultation


A 30 min physical face-to-face consultation at our clinic for private insured patients and for self paying patients. The consultation cost for initial self paying patients will be £250.


If you have private health insurance please contact your provider to obtain authorisation for the consultation.

Virtual/Telephone Consultation

At The London Colorectal Clinic, we are now able to perform a telephone or web conference consultation on Monday am 09:00 - 12:00 GMT or Wednesday from 18:00-20:00 GMT. Other consultation times may be available on request.

The 30 min telephone or web consultations are £200 for self-paying patients. 

If you are based in an EU/UK country we will opt to perform a virtual or telephone consultation. If you are based elsewhere abroad we will perform a virtual consultation.

To request an appointment


  • Either fill in the form below and provide as much information or reports, test etc which will enhance the consultation or

  • Contact Mr Nunoo-Mensah's PA Serena Ramzanal Tel: +44 (0) 203 423 7089, Mobile: +44 (0) 7514311196 or by email at


Thank you for considering referring you patient to The London Colorectal Clinic.


To refer you patient either (Option 1) complete the online referral form HERE and upload any necessary information for the consultation or (Option 2) contact us my phone or mail.

GP referrals
Medico-Legal Expert Witness

The London ColoRectal Clinic provides timely, clear, independent medical reports prepared by Mr Joseph Nunoo-Mensah.


Mr Nunoo-Mensah fully understands the requirements of instructing solicitors, in particular the restricted timescales for civil litigation, the limitations of expertise and the absolute need for independent, balanced consideration. He brings to bear:


  • Over 27 years clinical experience in general and colorectal surgery​

  • Strong academic background in Evidence Based Medicine

  • Sound grasp of legal principles / Civil Procedure Rules after having obtained a masters degree (LLM) relating to the practice of medicine and the administration of health care

  • Key points of case grasped, summarized & presented effectively

  • Scientific, analytical and logical approach


Mr Nunoo-Mensah currently receives instructions for medico-legal reports and he will provide a no obligation quotation for the cost of the report and the time scale for the report.


All reports will provide an unbiased opinion on the standard of care your client received and contain background medical information where needed.


Mr Nunoo-Mensah has a rapid turnaround for reports, including secure electronic delivery and all reports will be produced according to current CPR rules and protocols.

If you would like to contact us regarding our services please:

Educational Courses & Meetings

The London ColoRectal Clinic actively participates together with other educational bodies in organising surgical skills courses and providing educational materials for medical doctors and other related professionals.  


Course include:




Conferences include:


Telephone/Online Consultation

Consultant Colorectal & Laparoscopic Surgeon

Alison Walker

Company Director


Tolu Salako

Educational Director

Jacob Walker

Technical Assistant

Meet the Team
Get in Touch

Get in Touch



Serena Ramzanali

PA to Mr Nunoo-Mensah

40 Grosvenor Place, London, SW1X 7AW

Tel: +44 (0) 203 423 7089 (ext. 37089)

Mobile: +44 (0) 7514311196



Department of Colorectal Surgery

Hambleden Wing West- 2nd Floor
King’s College Hospital
Denmark Hill
London, SE5 9RS



Barbara Hibbert

PA to Mr Nunoo-Menah on 0203 299 3869


Thanks for submitting!

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