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Prof Charles Henry Knowles
✓ Verified Trust score 98/100 Accepting new patients

Prof

Prof Charles Henry Knowles

General Surgery

5.00 · 17 verified reviews

English
2,853+ Patients seen
2 Years in practice
5 Publications
1 Languages spoken

About

Charles Knowles is the Lead for Colorectal Surgery at Cleveland Clinic London and Professor of Surgery at Queen Mary University of London. He has been a Consultant Colorectal surgeon at Barts Health NHS Trust since 2006, after completing his studies at Cambridge University in 1992. He is highly regarded as an international opinion leader on pelvic floor disorders, proctology and GI neuromuscular diseases, including common colorectal conditions such as chronic constipation, faecal incontinence, haemorrhoids, fissure and fistula. His impressive record of delivering quality research and shaping clinical practice is evidenced by his multiple national and international leadership roles, including becoming the inaugural Chief Academic Officer at CCL. He has published extensively in scientific journals (> 300 peer-reviewed papers) and major textbooks. He is also a semi-professional musician and internationally published author. 

“Evidence-based care tailored to each patient — taking the time to explain options and shared decisions.”

— Prof Charles Henry Knowles

Education & training

  1. 2016–2022 MD · Medicine and Surgery
    Universidad Complutense de Madrid
  2. 2022–2026 Residency · General Surgery
    Universidad Complutense de Madrid
  3. 2026–2027 Fellowship · Subspecialty training
    Cleveland Clinic, US

Career & appointments

  1. 2026-09–2027-08 Junior consultant
    Universidad Complutense de Madrid Teaching Hospital — General Surgery

Licenses & insurance

Medical licenses

— Organización Médica Colegial de España (OMC)
#-391544 active · expires 2028-12-31

Board certifications

European Board of General Surgery
#EB-E1AFE4AD · issued 2027 · renewal 2037
Malpractice insurance: HDI Global · 1,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 614
Annual physical exam 99395 2,264
Vaccination administration 90471 2,440
Minor procedure (skin) 17110 1,223

Services & pricing

ServiceDurationModalityPrice
New patient consultation (60m) 60 min in_clinic|telemed 180.00 EUR
Follow-up consultation (30m) 30 min in_clinic|telemed|phone 90.00 EUR
Vaccination administration 60 min in_clinic 630.00 EUR
Minor procedure (skin) 90 min in_clinic 720.00 EUR

Office, team & in practice

Charles Henry Knowles
HEADSHOT
Charles Henry Knowles in consultation
IN OFFICE
Charles Henry Knowles with the team
WITH TEAM
Charles Henry Knowles at a conference
CONFERENCE

Videos

introduction · 134s
Meet Charles Henry Knowles

Research & publications

h-index: 10 · i10: 16

  1. Outcomes of General Surgery in adults — a multi-centre cohort
    Charles Henry Knowles, et al. · European Journal of Medicine, 2025
    DOI: 10.9214/euroclin.2025.0 · PMID: 31791331 · cited by 118
  2. European registry analysis of General Surgery outcomes
    Charles Henry Knowles, et al. · European Journal of Medicine, 2024
    DOI: 10.3003/euroclin.2024.1 · PMID: 32512973 · cited by 180
  3. Outcomes of General Surgery in adults — a multi-centre cohort
    Charles Henry Knowles, et al. · European Journal of Medicine, 2023
    DOI: 10.8039/euroclin.2023.2 · PMID: 38432894 · cited by 98
  4. European registry analysis of General Surgery outcomes
    Charles Henry Knowles, et al. · European Journal of Medicine, 2022
    DOI: 10.5381/euroclin.2022.3 · PMID: 38259241 · cited by 152

Invited talks

  • Practical updates in General Surgery European Annual Congress (General Surgery) · Vienna · 2024 · invited
  • Single-centre experience in General Surgery National Society Meeting · · 2023 · oral abstract

Awards & memberships

Awards

  • 🏆 Top-rated General Surgery — · EuroClinics Patient Choice · 2025 · regional
  • 🏆 Excellence in Patient Care · National Society · 2024 · national
  • 🏆 Young Investigator Award · European Society · 2023 · international

Society memberships

  • WONCA Europe — Family Doctors — Member · since 2027
  • national college of family doctors — Member · since 2027
  • European Union of Medical Specialists (UEMS) — Member · since 2027

Patient reviews

★ 5.00 17 verified reviews
Bedside Manner
5.00
Knowledge
5.00
Wait Time
4.75
Staff Friendliness
5.00
Ease Of Appointment
4.90
Value For Money
4.92
Would Recommend Pct
99
  • ★ 5 verified visit

    “Very thorough first visit — explained every step. Booking was easy and the staff were welcoming.”

    — Anna B. · 2026-05-04

  • ★ 5 verified visit

    “Took time to listen and reviewed all my previous results. I would absolutely recommend.”

    — Marco V. · 2026-04-01

  • ★ 4 verified visit

    “Professional and knowledgeable. Wait on the day was a bit long, otherwise excellent.”

    — Helena F. · 2026-04-22

Articles by this doctor

  • Patient education Patient guide to General Surgery
  • Awareness When should you see a general surgery?

For international patients

Coordinator
Patient liaison · dr.charles.knowles@euroclinics.example
Accepted intl insurance
Allianz Worldwide · AXA Global · BUPA Global · Cigna Global

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