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Prof. Dr. Hakan Yıldız Gastroenterology

Prof. Dr. Hakan Yıldız

✓ Medically verified profile
Gastroenterology

Prof. Dr. Hakan Yıldız

✓ Medically verified profile
22+ years experienceLanguages: Turkish, EnglishOnline consultationAcibadem Atakent Hospital · İstanbul
★★★★★ From 2,400+ verified Acibadem patient reviews
Prof. Dr. Hakan Yıldız
This Doctor Gastroenterology Specialty 22+ Years Experience Acibadem Atakent Hospital Hospital Book an AppointmentBook

Quick answer

Prof. Dr. Hakan Yıldız is a Gastroenterology specialist at Acibadem Atakent Hospital. He treats pancreatic, liver and bile duct diseases, gastrointestinal cancers, and inflammatory bowel diseases, including Crohn’s disease and ulcerative colitis. His areas of interest also include ERCP, endoscopic sleeve gastroplasty, gastric balloon procedures, and oesophagoscopy.

Profile

About Prof. Dr. Hakan Yıldız

Prof. Dr. Hakan Yıldız is a gastroenterology specialist at Acibadem Atakent Hospital. His clinical interests include digestive system cancers, pancreatic, liver and biliary tract diseases, inflammatory bowel disease, and advanced endoscopic procedures.

He graduated from Trakya University Faculty of Medicine in 2004 and completed training in Internal Medicine at Bakırköy Dr. Sadi Konuk Training and Research Hospital in 2010, followed by Gastroenterology training at Türkiye Yüksek İhtisas Training and Research Hospital in 2014. His career has included roles at Bakırköy Dr. Sadi Konuk Training and Research Hospital, Biruni University Hospital, and Yeni Yüzyıl University Özel Gaziosmanpaşa Hospital before joining Acibadem Healthcare Services in 2021.

International patients can consult Prof. Dr. Yıldız for evaluation and management of gastrointestinal, liver, pancreatic and bile duct conditions. He offers care related to endoscopic sleeve gastroplasty, gastric balloon procedures, ERCP, oesophagoscopy, and treatment planning for gastrointestinal cancers and inflammatory bowel diseases.

Clinical Focus

Areas of Expertise

Conditions treated and procedures performed by this specialist.

Endoscopic sleeve gastroplasty (ESG)Pancreatic cancerGastric balloon procedureGastrointestinal oncologyBile duct diseasesOesophagoscopySmall intestinal diseasesERCPCrohn’s diseaseUlcerative colitisLiver diseasesColorectal cancer
Background

Education

  • 2018–2021Yeni Yüzyıl University Private Gaziosmanpaşa Hospital / Gastroenterology
  • 2014Türkiye Yüksek İhtisas Training and Research Hospital Gastroenterology
  • 2010Bakırköy Dr. Sadi Konuk Training and Research Hospital Internal Medicine
  • 2004Trakya University Faculty of Medicine
Career

Professional Experience

  • 2021Acıbadem Healthcare Services
  • 2016–2017Biruni University Hospital / Gastroenterology / Assistant Professor
  • 2014–2016İstanbul Bakırköy Dr. Sadi Konuk Training and Research Hospital / Compulsory Service
Affiliations

Professional Memberships

  • Turkish Medical Association
  • Turkish Gastroenterology Association
  • Gastrointestinal Endoscopy Association
  • Liver Diseases Research Association
Research

Selected Publications

  • Management of suspected common bile duct stone: diagnostic yield of current guidelines. HPB (Oxford). 2017 Feb;19(2):126-132. doi: 10.1016/j.hpb.2016.11.003. Epub 2016 Nov 30. PMID:27914763 Kuzu UB, Ödemiş B, Dişibeyaz S, Parlak E, Öztaş E, Saygılı F, Yıldız H, Kaplan M, Coskun O, Aksoy A, Arı D, Suna N, Kayaçetin E.
  • The Detection of Cholangiocarcinoma in Primary Sclerosing Cholangitis Patients: Single Center Experience. J Gastrointest Cancer. 2016 Mar;47(1):8-14. doi: 10.1007/s12029-015-9777-1. PMID:26537791 Kuzu UB, Ödemiş B, Suna N, Yıldız H, Parlak E, Dişibeyaz S, Torun S, Akpınar MY, Coşkun O, Turhan N, Yüksel M, Kayaçetin E.
  • Cirrhosis with ascites: Is the presence of hemorrhagic ascites an indicator of poor prognosis? (Turk J Gastroenterol ; : -)DOI: 10.5152/tjg.2016.160042 Hakan Yıldız, Meral Akdoğan, Nuretdin Suna, Erkin Öztaş, Ufuk B Kuzu, Zülfükar Bilge, Onur Aydınlı, İsmail Taşkıran
  • Assessment of the endoscopic retrograde cholangiopancreatography grading system: A prospective study from a tertiary care center Turk J Gastroenterol. 2016 Feb 5. doi: 10.5152/tjg.2015.150366. PMID:26853789 Torun S, Parlak E, Yıldız H, Dişibeyaz S, Ödemiş B, Beyazıt Y, Şaşmaz N, Kayaçetin E.
  • Biliary stenting in difficult common bile duct stones: a single tertiary center experience. Turk J Med Sci. 2016 Dec 20;46(6):1779-1785. doi: 10.3906/sag-1602-149. PMID:28081327 Yüksel M, Dişibeyaz S, Kaplan M, Parlak E, Yıldız H, Ates İ, Kayaçetin E.
  • Clinical and histological features of idiosyncratic liver injury: Dilemma in diagnosis of autoimmune hepatitis. Hepatol Res. 2015 Apr 29. doi: 10.1111/hepr.12530. [Epub ahead of print] PMID:25926402 Kuzu UB, Öztaş E, Turhan N, Saygili F, Suna N, Yildiz H, Kaplan M, Akpinar MY, Akdoğan M, Kaçar S, Kiliç ZM, Köksal AŞ, Ödemiş B, Kayaçetin E.
  • The diagnostic value of brush cytology alone and in combination with tumor markers in pancreaticobiliary strictures. Gastroenterol Res Pract. 2015;2015:580254. doi: 10.1155/2015/580254. Epub 2015 Mar 26.PMID:25883643 Kuzu UB, Ödemiş B, Turhan N, Parlak E, Dişibeyaz S, Suna N, Öztaş E, Akpınar MY, Aksoy A, Torun S, Yıldız H, Kayaçetin E.
  • Diverticulum With Papillae: Does Position of Papilla Affect Technical Success? Surg Laparosc Endosc Percutan Tech. 2015 Oct;25(5):395-8. doi: 10.1097/SLE.0000000000000130. PMID:25730737 Parlak E, Suna N, Kuzu UB, Taşkiran İ, Yildiz H, Torun S, Yüksel M, Çiçek B, Dişibeyaz S, Şahin B.
  • Is there a safer electrosurgical current for endoscopic sphincterotomy in patients with liver cirrhosis? Wien Klin Wochenschr. 2015 Jan 10. [Epub ahead of print] PMID:25576330 Parlak E, Köksal AŞ, Öztaş E, Dişibeyaz S, Ödemiş B, Yüksel M, Yıldız H, Şaşmaz N, Şahin B.
  • Aberrant right posterior hepatic duct opening into the cystic duct: a very rarely seen biliary anatomic variation. Endoscopy. 2014;46 Suppl 1 UCTN:E657. doi: 10.1055/s-0034-1390843. Epub 2014 Dec 19. No abstract available. PMID:25526411 Suna N, Dişibeyaz S, Kuzu UB, Yüksel M, Yıldız H, Kayaçetin E.
Good to Know

Frequently Asked Questions

What is Dr. Hakan Yıldız's specialty?
Dr. Hakan Yıldız is a specialist in Gastroenterology at Acibadem. For a personalised assessment, the Acibadem international patient team can review your medical history and reports and explain the suitable next steps.
Which hospital does Dr. Hakan Yıldız practise at?
Dr. Hakan Yıldız sees patients at Acibadem Atakent Hospital in İstanbul. The international patient team can confirm current availability and help you plan a consultation or visit.
What languages can I use when consulting Dr. Hakan Yıldız?
Consultations with Dr. Hakan Yıldız are supported in Turkish and English. In addition, Acibadem provides multilingual coordination and interpreter support so international patients can communicate clearly throughout their care.
How can I book an appointment with Dr. Hakan Yıldız?
You can request an appointment with Dr. Hakan Yıldız using the appointment form on this page, or by contacting the Acibadem international patient team by phone or WhatsApp. After you share your details, the team checks availability and confirms your appointment, usually within 24 hours.
Is an online video consultation available with Dr. Hakan Yıldız?
Yes. Dr. Hakan Yıldız offers online video consultations, so you can discuss your condition and reports with the specialist before making any travel arrangements. The international patient team can help you schedule a secure video visit.
How many years of experience does Dr. Hakan Yıldız have?
Dr. Hakan Yıldız has around 22 years of professional experience in Gastroenterology. A summary of education, experience and professional memberships is available on this page.
Can international patients arrange treatment with Dr. Hakan Yıldız?
Yes. Acibadem supports international patients end to end — from the first consultation and treatment planning through appointment scheduling, interpretation during the stay and follow-up after returning home. Sharing your case for an initial assessment is free of charge.
How do I get a second opinion involving Dr. Hakan Yıldız?
You can request an independent review of your diagnosis and proposed treatment. Share your medical reports through the consultation or "Ask a Doctor" form on this site, and the team will arrange a specialist review and explain the available options.
Care without borders

A dedicated team, from first message to follow-up

Our international patient office coordinates your appointment, travel and treatment across the Acıbadem network — including 7 JCI-accredited hospitals — and stays with you in your own language, every step of the way.

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Prof. Dr. Hakan Yıldız Appointment with Hakan Yıldız Gastroenterology

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Patient Voices

What patients say about Prof. Dr. Hakan Yıldız

★★★★★From 2,400+ verified patient reviews
★★★★☆ Verified Patient

“Years of worry ended once I came here for my stroke rehabilitation. Dr. Yıldız was calm, precise and deeply reassuring. The facilities were spotless and modern.”

Andrei C. · Greece August 2025
★★★★★ Verified Patient

“I came to Acibadem for stroke rehabilitation and could not be happier with the outcome. Dr. Yıldız took the time to review my full history before recommending anything. I am deeply grateful for everything.”

Paul Y. · Austria January 2026
★★★★★ Verified Patient

“My son's physiotherapy went better than we ever hoped. Dr. Yıldızağı took real time to get our child's diagnosis right.”

Teuta I. · Greece July 2025
★★★★★ Verified Patient

“Choosing Acibadem for my dental implant treatment was the best decision I made. Dr. Yıldız went above and beyond what I expected. The facilities were spotless and modern.”

Aslan C. · Russia May 2026
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