Toluy Ozgumus
9
years of experience
Toluy Ozgumus
- Specialization: Hematologist
- 9 years of experience
- Speaks:English, Turkish
- Online consultations: available
- Workplace: Turkey, Istanbul, Hisar Hospital Intercontinental
- Diagnosed and treated over 1,000 patients with bleeding and coagulation disorders, including thrombophilia.
Dr. Toluy Ozgumus is a hematologist at Hisar Hospital Intercontinental in Istanbul. He has diagnosed and treated over 1,000 patients with bleeding and coagulation disorders. He specializes in the treatment of rare hematological cancers and bone marrow transplantation. Dr. Ozgumus works at a JCI-accredited facility recognized for excellence in hematology-oncology.
- Performs allogenic bone marrow transplants from both related and unrelated donors.
- Treats complex blood cancers including acute leukemia, multiple myeloma, and lymphomas.
- Expert in managing hematological findings related to Covid-19 infections.
- Differentiates myeloproliferative diseases from other causes of blood cell elevation.
Online consultation with Toluy Ozgumus
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Excellent score
20 patient verified reviews
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Patient reviews
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Learn more about reviews.1-5 of 20 reviews
Anonymous • Consultation with a mammologist
Turkey
Jun 13, 2026
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
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
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.
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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
Denis • Stomach resection
Spain
May 7, 2026
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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Doctor's services
- Allogenic bone marrow transplantation from an unrelated donor
- Lymphoma chemotherapy
- Haploidentical Stem Cell Transplantation
- Bone marrow transplantation
- Allogenic bone marrow transplantation from a related donor
- Leukemia chemotherapy
- HLA-typing
- Bone marrow biopsy
- Comprehensive diagnosis of lymphomas
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Qualifications
Dr. Toluy Özgümüş is a hematologist at Hisar Hospital Intercontinental in Istanbul. He has diagnosed and treated over 1,000 patients with bleeding and coagulation disorders. He provides therapies for rare blood cancers and performs bone marrow transplants. Dr. Özgümüş previously worked at the pandemic hospital on the Anatolian side of Istanbul.
Clinical Focus and Expertise
The doctor treats various hematological conditions and blood-related cancers. His clinical interests include:
- Clotting and bleeding disorders, including thrombophilia — a condition where blood clots too easily
- Myeloproliferative diseases like Polycythemia Vera and Essential Thrombocytosis
- Rare blood cancers such as multiple myeloma and histiocytosis
- Acute and chronic leukemias and various types of lymphomas
- Management of aplastic anemia and other severe anemias
Dr. Özgümüş also treats hematological complications resulting from viral infections. He gained experience treating blood-related findings during the Covid-19 pandemic. He differentiates myeloproliferative diseases from other causes of blood cell elevation. This process helps ensure patients receive the correct diagnosis for bone marrow disorders.
Procedures and Treatments
Dr. Özgümüş performs interventions for malignant and benign blood conditions. These procedures include:
- Bone marrow transplantation (allogenic and haploidentical)
- Chemotherapy for leukemia and lymphoma
- Stem cell transplantation and bone marrow biopsies
- HLA-typing for donor matching — a genetic test used to match patients with bone marrow donors
- Diagnostic workups for lymphatic system cancers
Professional Background
The specialist has served in several Turkish medical institutions. His roles include:
- Hematologist at Hisar Hospital Intercontinental
- Specialist at Sancaktepe Şehit Prof. Dr. İlhan Varak Training and Research Hospital (2019–2023)
- Compulsory service physician at Kars Harakani State Hospital (2017–2019)
Education and Medical Training
Dr. Özgümüş completed his medical education and two levels of specialization in Turkey.
- 2008 – Istanbul University, Cerrahpaşa Faculty of Medicine – Medical Degree
- 2009–2013 – Haydarpaşa Numune Training and Research Hospital – Internal Medicine Specialty Training
- 2014–2017 – Marmara University Hematology Department – Hematology Subspecialty Training
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