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Prof. Koray Bas
Trust score 8/100 Accepting new patients

Prof. Koray Bas

Gastroenterology

2,848+ Patients seen
5 Years in practice
3 Publications
2 Languages spoken

About

DHA Licensed Endoscopist General Surgeon, He is the most well-known name in the field of non-surgical weight loss, endo-bariatric procedures, and bariatric surgery in Europe, America, and Asia with more than 23 years of experience.He is an endoscopist general surgeon with extensive training and credentials in endoscopy and minimally invasive procedures.

Prof. Dr. Kadir has participated in various international conferences and training programs in various surgical specialties as a trainer and educator and has published over 130 scientific research publications. He has served as a director of interdisciplinary obesity and tumor boards and ethical committees and has also had a unique experience with telemedicine and telehealth.

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

— Prof. Koray Bas

Education & training

  1. 2011–2017 MD · Medicine and Surgery
    UAB Barcelona
  2. 2017–2021 Residency · Gastroenterology
    Universidad de Sevilla
  3. 2021–2022 Fellowship · Subspecialty training
    Royal Marsden London, UK

Career & appointments

  1. 2021-09–2022-08 Junior consultant
    UAB Barcelona Teaching Hospital — Gastroenterology

Licenses & insurance

Medical licenses

— Organización Médica Colegial de España (OMC)
#-754440 active · expires 2028-12-31

Board certifications

European Board of Gastroenterology
#EB-085B2B55 · issued 2022 · renewal 2032
Malpractice insurance: Allianz Professional · 2,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 1,273
Annual physical exam 99395 2,703
Vaccination administration 90471 1,087
Minor procedure (skin) 17110 1,096

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 90 min in_clinic 270.00 EUR
Minor procedure (skin) 60 min in_clinic 360.00 EUR

Office, team & in practice

Dr. Koray Bas
HEADSHOT
Dr. Koray Bas in consultation
IN OFFICE
Dr. Koray Bas with the team
WITH TEAM
Dr. Koray Bas at a conference
CONFERENCE

Videos

introduction · 149s
Meet Dr. Koray Bas

Research & publications

h-index: 14 · i10: 12

  1. European registry analysis of Gastroenterology outcomes
    Dr. Koray Bas, et al. · European Journal of Medicine, 2025
    DOI: 10.6701/euroclin.2025.0 · PMID: 32926387 · cited by 137
  2. Outcomes of Gastroenterology in adults — a multi-centre cohort
    Dr. Koray Bas, et al. · European Journal of Medicine, 2024
    DOI: 10.2010/euroclin.2024.1 · PMID: 34073722 · cited by 187
  3. European registry analysis of Gastroenterology outcomes
    Dr. Koray Bas, et al. · European Journal of Medicine, 2023
    DOI: 10.5731/euroclin.2023.2 · PMID: 31434561 · cited by 45

Invited talks

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

Awards & memberships

Awards

  • 🏆 Top-rated Gastroenterology — · EuroClinics Patient Choice · 2025 · regional

Society memberships

  • WONCA Europe — Family Doctors — Member · since 2022
  • national college of family doctors — Member · since 2022
  • European Union of Medical Specialists (UEMS) — Member · since 2022

Patient reviews

★ 0.00 0 verified reviews
Bedside Manner
0.05
Knowledge
0.08
Wait Time
3.80
Staff Friendliness
0.02
Ease Of Appointment
4.00
Value For Money
4.10
Would Recommend Pct
4
  • ★ 5 verified visit

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

    — Anna B. · 2026-05-10

  • ★ 5 verified visit

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

    — Marco V. · 2026-04-19

  • ★ 4 verified visit

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

    — Helena F. · 2026-04-08

Articles by this doctor

  • Patient education Patient guide to Gastroenterology 2026-03-02 · 9 min read
  • Awareness When should you see a gastroenterology? 2026-01-19 · 9 min read

For international patients

Coordinator
Patient liaison · kadir.koray.bas@euroclinics.example

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