7 JCI-accredited hospitals · 45+ hospitals & clinics · 90+ countries served · 24/7 multilingual support
Prof. Bülent Değertekin, MD Internal Medicine · Acibadem Ankara Hospital

Prof. Bülent Değertekin, MD

✓ Medically verified profile
Internal Medicine · Acibadem Ankara Hospital

Prof. Bülent Değertekin, MD

Prof. Bülent Değertekin, MD is an Internal Medicine specialist with gastroenterology and hepatology training at Acibadem Ankara Hospital in Ankara, Turkey. He evaluates and treats liver diseases, gastrointestinal motility disorders and obesity, and performs gastrointestinal endoscopy. He has more than 30 years in medicine, consults in Turkish and English, and offers video consultation for international patients.

Medically verified profile 30+ years in medicineTurkish · EnglishVideo consultation available
Reach Dr. Değertekin Consultation options Free · a coordinator and the doctor’s team reply within 24 hours · no obligation
Prof. Bülent Değertekin, MDAccepting international patients
SpecialtyInternal Medicine
ConsultationVideo · In person · Second opinion
Profile

About Prof. Bülent Değertekin, MD

Prof. Bülent Değertekin, MD is an Internal Medicine specialist practicing in the Internal Medicine unit at Acibadem Ankara Hospital in Ankara. His clinical work is centered on gastroenterology and hepatology, including liver diseases, gastrointestinal endoscopy, gastrointestinal motility disorders and obesity. He has more than 30 years in medicine and combines hospital practice with an academic role in gastroenterology.

Dr. Değertekin graduated from Gazi University Faculty of Medicine in 1996. He completed his Internal Medicine specialty training there between 1997 and 2001, followed by Gastroenterology specialty training at the same faculty from 2002 to 2005. He then worked in the Department of Gastroenterology at Ankara Gülhane Military Medical Academy (2005–2006) before spending three years at the University of Michigan, Division of Gastroenterology and Hepatology (2006–2009), completing a Hepatology Specialty at the University of Michigan School of Medicine in 2009. From 2009 to 2012 he was a faculty member in the Department of Gastroenterology at Ufuk University and became Associate Professor at Ufuk University Faculty of Medicine in 2010. Since 2012 he has been a faculty member of the Department of Gastroenterology at Acıbadem University Faculty of Medicine, where he became Professor in 2017.

Clinical focus

Dr. Değertekin evaluates adults with digestive and liver conditions within the scope of internal medicine and gastroenterology. His areas of expertise include hepatology and liver diseases, gastrointestinal endoscopy, gastrointestinal motility disorders and obesity. Diagnostic and treatment planning is based on the patient’s history, clinical examination and existing test results, and the options discussed depend on the individual case.

His published research reflects a particular interest in hepatology. He is first author of studies on the changing prevalence of non-alcoholic fatty liver disease (NAFLD) in Turkey, on the real-world efficacy and safety of Ledipasvir + Sofosbuvir and Ombitasvir/Paritaprevir/Ritonavir ± Dasabuvir combination therapies for chronic hepatitis C in Turkish patients, on regular coffee intake in relation to liver enzyme levels and liver histology, and on the upper limits of normal serum alanine aminotransferase (ALT) in a healthy Turkish population. He is also a co-author of the Turkey 2017 Clinical Practice Guidelines on hepatitis B virus and hepatitis delta virus infection, and of a publication from the NIH HBV OLT Study Group on liver transplantation for HBV-related hepatocellular carcinoma. He is a member of the Turkish Gastroenterology Association, the Turkish Liver Research Association, the European Association for the Study of the Liver (EASL), the Türk Motilite Association, the Turkish Medical Association, the Turkish Obesity Association and the Gastrointestinal Endoscopy Association.

How Dr. Değertekin works with international patients

Dr. Değertekin consults in Turkish and English, and interpreters can be arranged for patients who speak other languages. Before a visit, the Acibadem international patient team coordinates the collection of prior reports and imaging, such as ultrasound, CT or MRI reports, laboratory and pathology results, endoscopy reports, operative notes and discharge summaries, and arranges appointments and the hospital visit. A first consultation typically covers the patient’s history and symptoms, a review of existing imaging and previous treatments, a clinical examination and a discussion of the possible options. Video consultation is available for international patients who wish to discuss their situation before traveling or as part of follow-up.

Clinical focus

What Dr. Değertekin treats and performs

Each item opens the condition or treatment page with the care pathway for international patients.

Areas of practiceInternal medicineHepatology

Conditions treated

Background

Education, career and memberships

Education & training

Education

  • 2017Acıbadem University Faculty of Medicine / Professor Doktor
  • 2010Ufuk University Faculty of Medicine / Associate Professor Doktor
  • 2009University of Michigan School of Medicine / Hepatology Specialty
  • 2005Gazi University Faculty of Medicine Gastroenterology
  • 2001Gazi University Faculty of Medicine Internal Medicine
  • 1996Gazi University Faculty of Medicine
Career

Professional Experience

  • 2012Acıbadem Healthcare Services
  • 2012Acıbadem University Faculty of Medicine Department of Gastroenterology Faculty Member -Present
  • 2009–2012Ufuk University / Department of Gastroenterology Faculty Member
  • 2006–2009University of Michigan / Division of Gastroenterology and Hepatology
  • 2005–2006Ankara Gülhane Military Medical Academy / Department of Gastroenterology
  • 2002–2005Gazi University Faculty of Medicine / Gastroenterology Specialty
  • 1997–2001Gazi University Faculty of Medicine / Internal Medicine Specialty
Memberships

Professional Memberships

  • Turkish Gastroenterology Association
  • Turkish Liver Research Association
  • European Association for the Study of the Liver (EASL)
  • Türk Motilite Association
  • Turkish Medical Association
  • Turkish Obesity Association
  • Gastrointestinal Endoscopy Association
Selected publications

Selected Publications

  • The Changing Prevalence of Non-Alcoholic Fatty Liver Disease (NAFLD) in Turkey in the Last Decade Turk J Gastroenterol. 2021 Mar;32(3):302-312. Degertekin B, Tozun N, Demir F, Söylemez G, Parkan Ş, Gürtay E, Mutlu D, Toraman M, Seymenoglu TH
  • Real-world efficacy and safety of Ledipasvir + Sofosbuvir and Ombitasvir/Paritaprevir/Ritonavir ± Dasabuvir combination therapies for chronic hepatitis C: A Turkish experience Turk J Gastroenterol. 2020 Dec;31(12):883-893. Degertekin B, Demir M, Akarca US, Kani HT, Ucbilek E, Yildirim E, Guzelbulut F, Balkan A, Vatansever S, Danış N, Demircan M, Soylu A, Yaras S, Kartal
  • Regular coffee intake improves liver enzyme levels and liver histology in patients with chronic alcohol consumption, non-alcoholic fatty liver and non-alcoholic steatohepatitis: Report of 259 cases Bulent Degertekin, Nurdan Tozun, Aysegul Gizem Soylemez, Ezgi Gurtay, Ugur Bozkurt, Yusuf Yilmaz, Suna Yapali, Eser Vardareli, Hakan Umit Unal
  • Determination of the upper limits of normal serum alanine aminotransferase (ALT) level in healthy Turkish population Hepatology Forum 2020:44-47 Bulent Degertekin, Nurdan Tozun, Figen Demir, Gizem Soylemez, Suna Yapali, Ugur Bozkurt, Ezgi Gurtay, Tolga Hayrettin Seymenoglu, Deniz Mutlu,
  • VH.Diagnosis, management and treatment of hepatitis delta virus infection: Turkey 2017 Clinical Practice Guidelines Turk J Gastroenterol. 2017 Dec;28(Suppl 2):84-89. Yurdaydin C, Tabak F, Kaymakoğlu S, Akarsu M, Akıncı EG, Akkız H, Alkım C, Çekin AH, Çuvalcı NÖ, Demir K, Değertekin B, Dökmetaş İ, Ersöz G, Hizel K,
  • VH.Diagnosis, management and treatment of hepatitis B virus infection: Turkey 2017 Clinical Practice Guidelines Turk J Gastroenterol. 2017 Dec;28(Suppl 2):73-83 Tabak F, Yurdaydin C, Kaymakoğlu S, Akarsu M, Akıncı EG, Akkız H, Alkım C, Çekin AH, Çuvalcı NÖ, Demir K, Değertekin B, Dökmetaş İ, Ersöz G, Hizel K,
  • Addressing barriers to the prevention, diagnosis and treatment of hepatitis B and C in the face of persisting fiscal constraints in Europe: report from a high level conference J Viral Hepat. 2016 Feb;23 Suppl 1:1-12. Papatheodoridis G, Thomas HC, Golna C, Bernardi M, Carballo M, Cornberg M, Dalekos G, Degertekin B, Dourakis S, Flisiak R, Goldberg D, Gore C, Goulis
  • The relationship between heterotopic gastric mucosa in the cervical esophagus and laryngopharyngeal reflux Ear, Nose and Throat Ihtis Derg. 2012 Jan-Feb;22(1):6-11. Ezerarslan H, Çoban M, Kuran S, Akmansu ŞH, Özgüler Z, Beriat GK, Erkan G, Değertekin B, Kocatürk S
  • A Case of Burkitt’s Lymphoma Mimicking Crohn’s Disease: A Case Report Case Report Med. 2011;2011:685273. Erkan G, Coban M, Caliskan A, Ataç GK, Gulpinar K, Degertekin B, Korkmaz A.
  • Clinical outcomes of liver transplantation for HBV-related hepatocellular carcinoma: data from the NIH HBV OLT study Clin Transplant. 2011 Mar-Apr;25(2):E152-62. Han SH, Reddy KR, Keeffe EB, Soldevila-Pico C, Gish R, Chung RT, Degertekin B, Lok A; NIH HBV OLT Study Group
Good to Know

Frequently Asked Questions

Which conditions and procedures does Dr. Değertekin handle?
Dr. Değertekin works in internal medicine with a focus on gastroenterology and hepatology. His areas of expertise include liver diseases, gastrointestinal endoscopy, gastrointestinal motility disorders and obesity. Whether a specific condition falls within his practice is assessed individually, based on the patient's history and existing reports.
Where does Dr. Değertekin see patients?
He practices in the Internal Medicine unit at Acibadem Ankara Hospital in Ankara, Turkey. He has also been a faculty member of the Department of Gastroenterology at Acıbadem University Faculty of Medicine since 2012, where he became Professor in 2017.
What training has Dr. Değertekin completed in hepatology and gastroenterology?
He graduated from Gazi University Faculty of Medicine in 1996 and completed Internal Medicine and Gastroenterology specialty training there. He then worked at the University of Michigan, Division of Gastroenterology and Hepatology (2006–2009), completing a Hepatology Specialty at the University of Michigan School of Medicine in 2009.
What should I send for a case review before traveling?
It is helpful to share recent laboratory results, liver function tests, ultrasound, CT or MRI reports, endoscopy and pathology reports, operative notes and discharge summaries, together with a list of current medications. The Acibadem international patient team coordinates collecting these documents and arranging the appointment.
Which languages does Dr. Değertekin speak, and is a video consultation possible?
Dr. Değertekin consults in Turkish and English. Interpreters can be arranged for patients who speak other languages. Video consultation is available for international patients, for example to discuss existing reports before traveling or for follow-up, although some situations still require an in-person examination.
Is Dr. Değertekin involved in research or professional societies?
Yes. He has published on non-alcoholic fatty liver disease in Turkey, chronic hepatitis C therapies and the Turkey 2017 hepatitis B and delta guidelines. He is a member of the Turkish Gastroenterology Association, the Turkish Liver Research Association, the European Association for the Study of the Liver (EASL) and other national associations.
Where

Hospitals

Departments

Medical Units

Treatments

Treatment guides

We’re With You at Every Step

How can we help you today?

We value your privacy We use essential cookies to run this site and, with your consent, analytics cookies to understand how it is used and improve it. You can accept, reject, or choose what to allow. See our Cookie Policy.