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Sebnem Izmir Guner
33
years of experience

Sebnem Izmir Guner

  • Specialization: Hematologist
  • 33 years of experience
  • Speaks:
    English
  • Online consultations: available
  • Workplace: Turkey, Istanbul, Hisar Hospital Intercontinental
  • Author of over 19 international articles and recipient of several academic awards.

    Dr. Sebnem Izmir Guner is a hematologist at Hisar Hospital Intercontinental in Istanbul. She founded and directed multiple adult bone marrow transplantation centers. Dr. Guner specializes in leukemia, lymphoma, and complex coagulation disorders. She works at a JCI-accredited facility recognized for high safety standards.

    • Performs haploidentical, related, and unrelated allogenic bone marrow transplants.
    • Authored over 19 articles in international peer-reviewed journals.
    • Received multiple academic awards for her contributions to hematology.
    • Former founder and lead physician of therapeutic apheresis units.

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4.6
Excellent score
20 patient verified reviews
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Patient reviews

About clinic Hisar Hospital Intercontinental
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1-5 of 20 reviews
Anonymous • Consultation with a mammologist
Turkey
Jun 13, 2026
Verified review.
It was the right choice
What worried me most was the uncertainty and what the treatment plan would be. But my fears were put to rest after the very first consultation. The doctor was very attentive and explained everything in detail and calmly, which immediately put me at ease. I really appreciate that approach. All the staff at the clinic were responsive and supportive at every stage. The clinic itself made a good impression; everything is well organised. I am currently in the recovery phase and feel much calmer, having a clear understanding of the next steps. It was the right choice.
Everything was great
Sergei • Сomplex oncology diagnostic
Moldova
Jun 26, 2026
Verified review.
Hisar Hospital is a clinic staffed by professionals who carry out their work to the highest standard;
Hisar Hospital is a clinic staffed by professionals who carry out their work to the highest standard; special thanks go to Dr Taifun Apuhan for his professionalism. Special thanks also go to the staff and the interpreter, ‘Rabiya’ – everything was of the highest standard.
Shabnam • Hysteroscopic polypectomy
Tajikistan
Nov 6, 2025
Verified review.
Thank you so much to the whole team for their clear, professional and heartfelt work!
I would like to express my sincere gratitude to Hisar Hospital Intercontinental in Istanbul for the high professionalism, attentiveness and care shown at every stage of my treatment. I underwent hysteroscopic removal of several endometrial polyps, including one large one measuring 3 cm. Everything went perfectly - from the initial consultation to the surgery and post-operative care. Special thanks to my doctor - Op. Dr Berna Buse Kobal. She inspired confidence from the very beginning, explained everything calmly and clearly, acted very carefully and confidently. After the operation I felt great, without pain or discomfort. The nurses and all the staff of the clinic were very attentive and helpful. The atmosphere in the hospital is clean, modern, comfortable and absolutely safe. I would also like to thank Julia, a Bookimed employee, who helped me with counselling and organising the trip. We made the decision literally at the last moment: we were informed from Dushanbe in the evening, flew out at night, and already in the morning I was in the clinic. Everything was organised perfectly - meeting, hospitalisation, surgery on the same day, and in the evening I was already relaxing in the hotel and feeling great. Thank you so much to the whole team for their clear, professional and heartfelt work! 💐 I confidently recommend Hisar Hospital Intercontinental and Bookimed to all women who are looking for quality, fast and safe treatment abroad.
Promptness, value for money. Approach.
There's no such thing
About Bookimed service
Julia from bookimed and I were looking at several options. We voiced our budget and special requirements. After studying our wishes, she suggested this clinic. The next morning we were already at the clinic after the appointment had been decided promptly
Anonymous • Gastric sleeve surgery (Sleeve gastrectomy)
Italy
May 26, 2026
Verified review.
Denis • Stomach resection
Spain
May 7, 2026
Verified review.
the support from the surgeon and the whole team was incredible
My biggest fear before the operation was adjusting to my new life, especially when it came to eating. But the support from the surgeon and the whole team was incredible. The operation was performed laparoscopically, and a significant portion of my stomach was removed—around 75–80%. Of course, recovery is a process. At the moment, I can only eat 2–3 spoonfuls at a time, and the main difficulty is that food can get stuck, so I have to get used to eating differently. Despite this, my energy levels have already improved slightly. I’ve realised the most important thing: forget your old eating habits! This is a new life in a new body, where you become a culinary connoisseur rather than a mere consumer of food.
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Qualifications

Prof. Dr. Şebnem İzmir Güner is a hematologist-oncologist at Hisar Hospital Intercontinental with expertise in adult bone marrow transplantation. She has authored over 19 international articles and received multiple university and conference awards. The doctor specializes in treating blood disorders including leukemia, lymphoma, and multiple myeloma.

Specialization & Clinical Focus

Prof. Dr. Güner focuses on malignant and non-malignant hematology. She performs procedures to treat blood cancers and various blood-related conditions. The specialist treats cases of:

  • Leukemia and lymphoma
  • Multiple myeloma
  • Aplastic anemia — a condition where the body stops producing enough new blood cells
  • Thrombocytopenia — a condition characterized by low blood platelet counts
  • Hemophilia and coagulation disorders

Her therapeutic expertise includes allogenic bone marrow transplantation from both related and unrelated donors. She also performs haploidentical stem cell transplantation and therapeutic apheresis. Therapeutic apheresis is a process that filters abnormal components out of the blood. The doctor uses biological therapy and chemotherapy protocols tailored to leukemia and lymphoma patients.

Professional Achievements

Prof. Dr. Güner has established and directed several medical units in Turkey. She founded the Hematology Clinic at Istanbul Education and Research Hospital. She also established the Adult Bone Marrow Transplantation Centers at Medicalpark Bahçelievler and Kolon International Hospital. Her work has contributed to setting national standards for therapeutic apheresis and hematological care.

Work Experience

  • 2019–2024 — Hematology and Bone Marrow Transplantation Center, Memorial Şişli Hospital
  • 2016–2018 — Founder and Responsible Physician, Hematology Clinic, Kolon International Hospital
  • 2010–2016 — Founder and Responsible Physician, Adult Bone Marrow Transplantation Center, Medicalpark Bahçelievler
  • 2006–2010 — Founder and Responsible Physician, Hematology Clinic, Istanbul Education and Research Hospital
  • 2000–2003 — Internal Medicine Specialist, Istanbul Education and Research Hospital

Education & Training

  • 1993 — Istanbul University Faculty of Medicine — Medical Degree
  • 2000 — Istanbul University Cerrahpaşa Faculty of Medicine — Internal Medicine Residency
  • 2006 — Istanbul University Cerrahpaşa Faculty of Medicine — Hematology Subspecialty Training
  • 2017 — Associate Professor title
  • 2023 — Professor title

Academic Research & Recognition

Prof. Dr. Güner contributes to medical science and education by training research assistants and students. She speaks English and German. Her academic portfolio includes:

  • Over 19 articles in international peer-reviewed journals
  • Over 18 articles in national peer-reviewed journals
  • 51 presentations at national scientific meetings published in proceedings
  • Over 18 presentations at international academic meetings
  • Recipient of more than three academic awards from universities and medical congresses

Memberships

The doctor serves on the boards of domestic hematology associations. She is a member of the Turkish Medical Association (TMA). This organization promotes professional competence and public healthcare standards in Turkey.

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