Stomach Cancer Doctors Worldwide

Dr. Mehmet Akif Ozturk is a medical oncology specialist at Memorial Şişli Hospital in Istanbul. He currently serves as a faculty member at Üsküdar University. Dr. Ozturk previously held a faculty position at Marmara University Pendik Training and Research Hospital. He treats patients at a JCI-accredited facility known for its high organ transplant success rates.

• Specializes in clinical oncology for local and international patients.
• Practices at Memorial Şişli, the first hospital in Turkey to earn JCI accreditation.
• Serves as a medical oncology specialist in Istanbul since 2018.
• Held specialist roles at several major Turkish medical centers throughout his career.

Prof. Kivanc Derya Peker has performed over 400 stomach cancer surgeries and trained at Mayo Clinic's Hepatopancreatobiliary Surgery Clinic.

• 22 years of experience in gastroenterology surgery
• Co-founded the HPB Surgery unit at Dr. Sadi Konuk Hospital
• Specializes in pancreatic, liver, and stomach cancer surgeries
• Holds accreditation from the Turkish HPB Association
• Performed over 900 procedures including kidney transplants

Dr. Mustafa Ozdogan is a professor and medical oncology specialist at Memorial Göztepe Hospital. He is the current President of the Antalya Breast Cancer Association. Dr. Ozdogan previously led oncology departments at Memorial Antalya and Medstar Antalya hospitals. He focuses on a multidisciplinary approach to complex cancer care.

• Sits on the board of the Turkish Society of Medical Oncology.
• Maintains active membership in ESMO and ASCO.
• Co-chairs the national working group for head and neck cancers.
• Works at Memorial Göztepe, which features MR Linac and robotic surgery systems.

Assoc. Prof. Dr. Heves Sürmeli is a specialist in Internal Medicine and Medical Oncology. She received her medical degree (M.D.) from Eskişehir Osmangazi University in 2004. She completed her Internal Medicine residency at Kartal Dr. Lütfi Kırdar Training and Research Hospital, Istanbul (2005–2010). She then completed subspecialty training in Medical Oncology at the same hospital (2014–2017).

At the same center, she served as a Medical Oncology Specialist (2017–2023). She then worked as Administrative and Clinical Director (2023–2026). Her clinical interests include breast, lung, gynecologic, gastrointestinal, and urologic cancers.

She has published many articles in international peer‑reviewed journals. She has presented at national and international conferences. She is active in professional societies. She has received several awards.

Professor Yesim Yildirim specializes in cancer immunotherapy and targeted therapies, with over 80 international publications. She treats gastrointestinal cancers at Anadolu Medical Center.

• Member of European Society of Medical Oncology (ESMO)
• Expert in precision medicine for stomach cancer
• Professor at Haliç University in Istanbul
• Completed advanced training in immunotherapy at Mount Vernon Cancer Center

With over 47 years of practice, Prof. Mearin Manrique leads the Digestive System Service at Teknon Medical Center.

• Specializes in diagnostics and treatment of digestive system conditions
• Founded the Teknon Institute for the Study and Treatment of Constipation & Incontinence
• Fellowship-trained at Mayo Clinic's Gastroenterology Unit
• Published over 400 scientific works
• Member of the American Gastroenterological Association and World Gastroenterology Organisation

Professor Ido Wolf heads the oncology department at Tel Aviv's Sourasky Medical Center – a leading national center for digestive cancers.

• Over 34 years of experience in medical oncology and internal medicine
• Specializes in the systemic treatment of digestive system cancers
• Holds a medical degree from Ben-Gurion University
• Senior role overseeing a major hospital's oncology division

Dr. Sadi Kerem Okutur is a medical oncologist at Memorial Bahçelievler Hospital in Istanbul. He specializes in chemotherapy, immunotherapy, and targeted therapy for various cancers. Dr. Okutur achieved his Associate Professorship in 2016. He treats complex conditions like melanoma and pancreatic cancer. He holds certification from the European Society for Medical Oncology (ESMO).

• Winner of the Oncology Research Award from the Turkish Medical Oncology Association.
• Authored over 20 scientific papers and 10 book chapters on oncology.
• Member of the Turkish Immuno-Oncology Society.
• Practices at JCI-accredited Memorial Bahçelievler Hospital.

Head of the peritoneal cancer unit, Dr. Sabia specializes in cytoreductive surgery with HIPEC – a leading approach for advanced abdominal cancers.

• 24 years of experience in surgical oncology
• Performed 1,100+ treatments including CRS + HIPEC
• Expert in PIPAC (Pressurized IntraPeritoneal Aerosol Chemotherapy)
• Trained at National Cancer Institute Milan and with Prof. Sugarbaker
• Member of ESSO and PSOGI – top international oncology groups

Dr. Seref Komurcu is a medical oncologist at Anadolu Medical Center in Istanbul. He specializes in treating breast, lung, colorectal, and solid cancers. Dr. Komurcu holds both ECFMG and ESMO certifications. He previously served as a professor at Gülhane Military Medical Academy.

• Published over 110 scientific papers on cancer management.
• Provides immunotherapy, targeted therapy, and chemotherapy treatments.
• Member of the American Society of Clinical Oncology.
• Works at a clinic affiliated with Johns Hopkins Medicine.

Dr. Tugba Akin Telli is a medical oncologist at Istanbul Florence Nightingale Hospital. She completed clinical research fellowships at Institut Jules Bordet in Belgium. Dr. Telli also gained experience at the MD Anderson Cancer Center in the US. She focuses on chemotherapy and immunotherapy for cancer patients.

• Trained at Hacettepe University and Marmara University Faculty of Medicine.
• Performs PET-MRI and immunohistochemistry for precise cancer diagnosis.
• Provides care at a JCI-accredited smart hospital in Istanbul.
• Treats patients using protocols from top European and American cancer centers.

Dr. Eda Tanrikulu is a clinical oncologist at Anadolu Medical Center in Istanbul. She ranked 3rd nationally in Turkey's minor specialty medical exam. Dr. Tanrikulu specializes in chemotherapy and individualized cancer treatments. She works at a facility affiliated with the Johns Hopkins Hospital.

• Served as the head of the medical oncology unit at Haydarpaşa Numune Hospital.
• Participated in global training at Oxford University and ESMO in Manchester.
• Treats gastrointestinal, urological, lung, and breast cancers.
• Member of the American and European Societies of Medical Oncology.

Dr. Leyla Ozer is a medical oncologist at Memorial Bahçelievler Hospital in Istanbul. She focuses on chemotherapy, immunotherapy, and targeted therapy for cancer. Her clinical expertise includes treating gastrointestinal cancers and rare tumor types. Dr. Ozer completed her medical oncology specialization at Istanbul University.

• Served as the Head of the Medical Oncology Department at Fırat University Hospital.
• Member of the Turkish Medical Oncology Association.
• Published clinical research on breast, pancreatic, and hematologic cancers.
• Works at a LEED Platinum-certified hospital, the first of its kind in Turkey.

Prof. Dr. Sezer Saglam specializes in gastrointestinal oncology with over 29 years of experience at Gayrettepe Florence Nightingale Hospital.

• Attending physician in Gastrointestinal Oncology since 2005
• Member of ESMO, ASCO, and ENET – leading oncology societies
• Professor of Medical Oncology since 2016
• Multiple international publications on chemotherapy regimens

Dr. Harald Rosen specializes in advanced endoscopic procedures for stomach cancer at Wiener Privatklinik, combining surgical precision with gastroenterology expertise.

• Decades of experience in gastroenterology and minimally invasive surgery
• Expert in diagnostic and therapeutic endoscopy, including complex cancer cases
• Trained at major Viennese hospitals, focusing on interventional endoscopy
• Respected for introducing modern endoscopic surgical methods in Austria

Dr. Mehmet Dogu Canoglu is a radiation oncologist at Anadolu Medical Center in Istanbul. He specializes in precise tumor targeting using MR Linac and CyberKnife technologies. Dr. Canoglu trained at Kocaeli University. He previously served at Medipol Mega University Hospital. He treats various cancers, including complex brain, prostate, and lung tumors.

• Expert in Varian TrueBeam and Trilogy radiation delivery systems.
• Performs stereotaxic radiosurgery and targeted radiotherapy for sarcomas.
• Works at Anadolu Medical Center, a facility affiliated with Johns Hopkins Medicine.
• Treats patients at a clinic ranked among the world's top 10 for medical tourism.

Dr. Necdet Uskent is a medical oncologist and hematologist at Anadolu Medical Center in Istanbul. He was part of the pioneering team that performed Turkey's first bone marrow transplant. Dr. Uskent holds the European Medical Oncology Certificate and focuses on breast, lung, and gastrointestinal cancers. He works at a facility affiliated with Johns Hopkins Medicine.

• Founder of the Turkish Oncology Group (TOG).
• A founding member of the Turkish Society of Medical Oncology.
• Served as a visiting lecturer at Royal Free and University College Hospital in London.
• Treats complex hematological conditions including lymphomas and myeloma.

Prof. Köstler is a leading medical oncologist specializing in complex solid tumors and personalized therapy. He practices at the Wiener Privatklinik and the Medical University of Vienna.

• Over 22 years of clinical and research experience in oncology
• Expertise in breast cancer, gynecologic cancers, and targeted therapies
• Former Deputy Head of the Clinical Division of Oncology at a major university hospital
• Active in developing new targeted treatment strategies and immunotherapy
• Focuses on translational research to connect lab findings directly to patient care

Chief Physician at BKZ Solingen's cancer center, Dr. Fox leads a certified team specializing in advanced stomach cancer treatments.

• Trained in chemotherapy, immunotherapy, and targeted therapies
• Specialist in molecular diagnostics for personalized treatment plans
• Head of Haematology, Oncology, and Palliative Care Department
• Active in research on molecular biology and cancer treatments
• Member of the American Association for Cancer Research