Anal abscess - Doctors specialists of AVIVA - London
- Anal fistula surgeryBlood in stool (rectal bleeding)ColonoscopyHaemorrhoid surgeryHerniaInflammatory bowel disease (IBD)
- Abdominal painAcid refluxBariatric surgeryGallbladder surgeryGastroscopyBariatric surgery problems
- ColonoscopyLaparoscopyColorectal cancerPiles (haemorrhoids)Anal fistulaHernia
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GI Doctors is a group of leading specialists based in London who specialise in diagnosing and treating gastrointestinal conditions and both upper and lower GI surgery. The consultants at this clinic are highly skilled and experienced in all disorders of the gastrointestinal tract. Some of the conditions they commonly diagnose and treat include acid reflux, coeliac disease, bowel cancer, IBD and IBS, diverticular disease and many more. At GI Doctors, their main goal is to help you feel well again using evidence-based treatment which will give the best long-term results and a speedy recovery. Non-invasive treatments are explored before opting for surgery to minimise your discomfort, wherever possible. Building and maintaining a reputation of excellence in patient care is their core philosophy, achieving this by using effective communication and ensuring you are always informed throughout the whole treatment process - from consultation to diagnosis, treatment and aftercare.
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Consultant colorectal and general surgeonMr Jonathan van Dellen Appointment subject to confirmation
Rectal prolapsePelvic floorInflammatory bowel disease (IBD)Anal fistulaDiverticular diseasePiles (haemorrhoids) - Colorectal cancerInflammatory bowel disease (IBD)Piles (haemorrhoids)Anal fissureAnal fistula surgeryRobotic surgery
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The Princess Grace Hospital is an acute multidisciplinary private hospital in Marylebone, with over 250 highly experienced consultants from 17 specialties and 8 equipped operating theatres. Offering the latest robotic surgery techniques, it provides fully personalised care across orthopaedics, urology, women's health, endocrinology and cancer care, with an Urgent Care Centre open Monday to Sunday. What medical services does it specialise in? The Princess Grace Hospital brings together expert consultants in orthopaedic surgery, gastroenterology (digestive health), obstetrics and gynaecology (women's health), urology, sports and exercise medicine and endocrinology and diabetes care. Breast surgery and breast cancer care are also provided by specialist surgeons. What tests and treatments does it offer? Some of the medical tests and care services offered at The Princess Grace Hospital include: Robotic surgery MRI CT scan Joint replacement Breast cancer surgery Endoscopy (digestive health diagnostics) Sports injuries assessment and treatment Gynaecological examination What quality and safety standards does The Princess Grace Hospital meet? The Princess Grace Hospital holds a CQC Good rating. With 127 private en-suite rooms and 8 operating theatres, care is delivered by consultant-led multidisciplinary teams. An Acute Admissions Unit provides 24/7 urgent and unplanned medical care. Where is The Princess Grace Hospital located? 42–52 Nottingham Place, W1U, Marylebone. Near Baker Street tube and 10 min from Marylebone mainline station. On-street metered parking available nearby. What other HCA Healthcare UK centres are there in Central London? The Princess Grace Hospital is served by a specialist orthopaedic outpatient and diagnostic centre at The Princess Grace Hospital Outpatients at 30 Devonshire Street, Marylebone, which provides comprehensive musculoskeletal assessments, same-day imaging and MAKO robotic orthopaedic surgery services.
- Colorectal cancerInflammatory bowel disease (IBD)LaparoscopyPelvic floor reconstructive surgeryRectal surgeryHernia
- Blood in stool (rectal bleeding)Inflammatory bowel disease (IBD)Anal fissurePiles (haemorrhoids)Anal fistulaColonoscopy
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The Princess Grace Hospital Outpatients is a dedicated orthopaedic outpatient centre at 30 Devonshire Street, Marylebone. It offers MAKO robotic arm orthopaedic surgery, same-day diagnostic imaging with results available within hours, comprehensive physiotherapy and pain management — supported by internationally respected orthopaedic specialists covering all major joints, the spine and musculoskeletal conditions.What medical services does it specialise in?The Princess Grace Hospital Outpatients specialises in orthopaedic surgery— encompassing all major joints, the spine and the full range of musculoskeletal conditions — supported by sports and exercise medicine, pain medicine (pain management) and physical medicine and rehabilitation (physiotherapy). Lymphoedema therapy is also available as part of the extended care programme. What tests and treatments does it offer?Some of the medical tests and care services offered at The Princess Grace Hospital Outpatients include: MRICT scanUltrasound (including ultrasound-guided injections)Digital X-rayRobotic orthopaedic surgery (MAKO robotic arm) Joint injectionsHip replacementKnee surgeryWhat quality and safety standards does The Princess Grace Hospital Outpatients meet?The Princess Grace Hospital Outpatients holds a CQC Good rating. Managed by The Princess Grace Hospital, it is supported by internationally respected orthopaedic consultants, with same-day imaging and the majority of diagnostic results available within hours of the appointment.Where is The Princess Grace Hospital Outpatients located?30 Devonshire Street, W1G, Marylebone. Near Baker Street, Regent's Park and Great Portland Street stations. On-street metered parking available.What other HCA Healthcare UK centres are there in Central London?This outpatient centre is managed by The Princess Grace Hospital on Nottingham Place, Marylebone, which provides a full range of inpatient services, 24/7 acute care and 8 equipped operating theatres for patients requiring surgical intervention.
- Colorectal cancer surgeryInflammatory bowel disease (IBD)EndoscopyAnal fistula surgeryHerniaGallstones
- ColonoscopyHerniaPiles (haemorrhoids)Blood in stool (rectal bleeding)Abdominal painColorectal cancer
- Anal fistulaColorectal cancerColorectal cancer surgeryGenital wartsInflammatory bowel disease (IBD)Irritable bowel syndrome (IBS)
- Anal fistula surgeryBlood in stool (rectal bleeding)ColonoscopyHaemorrhoid surgery
- Abdominal painAcid refluxBariatric surgeryGallbladder surgery
- ColonoscopyLaparoscopyColorectal cancerPiles (haemorrhoids)
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Hiatal hernia surgeryDiarrhoeaIrritable bowel syndrome (IBS)SurgeryGastroenterology -
Consultant colorectal and general surgeonMr Jonathan van Dellen Appointment subject to confirmation
Rectal prolapsePelvic floorInflammatory bowel disease (IBD)Anal fistula - Colorectal cancerInflammatory bowel disease (IBD)Piles (haemorrhoids)Anal fissure
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FibroidsPancreas surgeryVaricose veinsDermatologyOral & Maxillofacial Surgery - Colorectal cancerInflammatory bowel disease (IBD)LaparoscopyPelvic floor reconstructive surgery
- Blood in stool (rectal bleeding)Inflammatory bowel disease (IBD)Anal fissurePiles (haemorrhoids)
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Robotic surgery in urologyBreast cancerOral & Maxillofacial SurgeryUrology - Colorectal cancer surgeryInflammatory bowel disease (IBD)EndoscopyAnal fistula surgery
- ColonoscopyHerniaPiles (haemorrhoids)Blood in stool (rectal bleeding)
- Anal fistulaColorectal cancerColorectal cancer surgeryGenital warts




