Page 40 - Best Doctors in Turkey — Get an Online Consultation

The doctor completed medical education at Çukurova University Faculty of Medicine and specialized in internal diseases at Istanbul University Cerrahpaşa Faculty of Medicine. Further specialization in rheumatology and immunology was achieved at Çukurova University. The doctor has held professorial roles at Trakya University, Abant Izzet Baysal University, and Altınbaş University, with significant experience in internal medicine and rheumatology.

Professional experience includes serving as a specialist physician at Emirdag State Hospital and various instructional roles at Çukurova University and Trakya University. The doctor is a member of the Turkish Rheumatology Association, Turkish Internal Medicine Specialization Association, and Turkish Medical Association.

The doctor is a neurologist and epileptologist with 25 years of experience. They received their education at the University of Washington and the Barnes-Jewish Center for Comprehensive Epilepsy in the USA.

Dr. Ozcan Yildiz is an oncologist and hematologist at Medipol Mega University Hospital in Istanbul. He specializes in treating complex neuroendocrine tumors and gynecological cancers. Dr. Yildiz has published numerous studies in prestigious journals like Medical Oncology and International Journal of Cardiology. He works at a JCI-accredited facility recognized for its bone marrow transplant expertise.

• Expertise in treating lung, breast, and gastrointestinal cancers.
• Treats hematological conditions including idiopathic thrombocytopenia.
• Published research on thyroid therapy and steroid synthesis safety.
• Performs specialized procedures like leukemia chemotherapy and tumor biopsies.

The doctor is a Professor of Neurology with a specialization in demyelinating processes and Parkinson's disease. With extensive expertise in these areas, the doctor has contributed significantly to the understanding and treatment of neurological disorders. The doctor is recognized for advancing research and clinical practices in neurology, focusing on improving patient outcomes through innovative approaches.

Dr. Mustafa Ondzhel is a professor of oncosurgery and proctology at Medipol Mega University Hospital. He spent five years as a practicing surgeon at the Cleveland Clinic in the USA. Dr. Ondzhel specializes in treating bowel cancer and complex rectal disorders. He is a founder of the Eurasian Colorectal Technologies Association.

• Holds a proctology qualification certificate from the European Commission on Coloproctology.
• Received the Most Successful Scientist of the Year award in the healthcare category.
• Performs Whipple surgery and distal pancreatectomy for gastrointestinal cancers.
• Confirmed as an Official International Fellow of the American Society of Colorectal Surgeons.

Op. Dr. Ercan Kaya is a neurosurgeon. He earned his M.D. from Marmara University. He completed his neurosurgery residency at Kartal Dr. Lütfi Kırdar Training and Research Hospital in 2020 and became a specialist in neurosurgery.

His clinical focus is spine and spinal cord disorders. He completed an observership in the Complex Spinal Surgery Department at The Walton Centre, a leading neurosurgical center in the United Kingdom.

He completed mandatory service in Mardin. He also worked at Sancaktepe Training and Research Hospital. Since 2026, he has been a neurosurgeon at NPİSTANBUL Brain Hospital. He provides care for brain, spine, and peripheral nerve disorders.

Dr. Dicle Hazirolan is an Ophthalmology Specialist at Memorial Ataşehir Hospital, Istanbul (2024–). Former Professor of Ophthalmology and Training Supervisor at the University of Health Sciences’ Ankara and Haydarpaşa Numune Training & Research Hospitals (2014–2024).

Focus areas: medical retina and uvea. Observer Physician at Charité, Berlin, Retina & Uvea Unit (2011–2013).

Publications include a 2024 book chapter on congenital conjunctival anomalies. Also a peer-reviewed study on PRN anti-VEGF in pachychoroid neovasculopathy vs AMD (Int Ophthalmol, 2024). Presentations at Euretina 2018 and the Turkish Ophthalmology Society 2022. Active member of the Turkish Ophthalmology Society (Medical Retina; Uvea & Behçet) and the Ophthalmology Society of Turkic Republics. MD from Hacettepe University. Ophthalmology residency at Beyoğlu and Ankara TRH.

Dr. Adil Turan is a specialist in Orthopedics and Traumatology. He completed medical school at Trakya University (1996–2003). He finished his residency at İzmir Bozyaka Training and Research Hospital (2004–2009). In 2020, he conducted trauma research at Denver Health Hospital in Denver, USA.

He worked at Kızıltepe State Hospital (2009–2010). He then served as an Orthopedic Specialist at Antalya Training and Research Hospital (2010–2013) and Ordu State Hospital (2013–2015). He was Chief Assistant at Antalya Training and Research Hospital (2016–2020). He was Associate Professor and Instructor at Antalya Training and Research Hospital (2020–2022) and at the Health Sciences University Antalya Health Application Center (2023).

His professional memberships include the Turkish Orthopedics and Traumatology Association, the Turkish Sports Injuries Arthroscopy and Knee Surgery Association, the Turkish Orthopedics and Traumatology Education Council (since 2016), and the Turkish Medical Association.

Dr. Fırat Oruç is an Orthopedics and Traumatology specialist with 20 years of experience (since 2005). He has worked at Medical Park Antalya Hospital Complex since 2008. He previously worked at Private Lara Hospital (2005–2007) and completed his military service at GATA Istanbul (2007–2008).

Clinical focus includes knee, shoulder, and hip surgery; joint prostheses; soft tissue and bone tumors; pediatric orthopedics; and hand surgery. He earned his medical degree from Akdeniz University Faculty of Medicine (1993–1999). He completed his Orthopedics and Traumatology residency at Akdeniz University (1999–2005).

Dr. Onder Yavascan is a pediatric nephrologist at Medipol Mega University Hospital in Istanbul. He specializes in child health and complex kidney disorders. He previously held clinical roles at Ege University Faculty of Medicine and several training hospitals. Dr. Yavascan focuses on providing specialized care for children with renal conditions.

• Performs kidney biopsies and standard pediatric vaccinations.
• Completed specialized training in child health and pediatric nephrology.
• Works at Medipol Mega University Hospital, a JCI-accredited facility in Turkey.
• Treats patients at a clinic recognized by Bookimed for pediatric oncology excellence.

Dr. Ibrahim Cansaran Tanıdır is a pediatric cardiologist at Memorial Ataşehir Hospital. He co-founded the Pediatric Cardiology Department at Başakşehir Çam & Sakura City Hospital. He led its cardiac catheterization laboratories. He has been a professor of pediatric cardiology since 2022.

He has over 100 international and over 50 national publications. His work has more than 1,200 citations, with an h-index of 16. He has delivered over 100 international and over 700 national presentations. He has received six national and one international award. He ranked second in Turkey in the 2017 National Pediatric Cardiology Board Exam. He served as AEPC National Representative (2011–2014) and as Vice President of the Interventional Cardiology Working Group (2019–2024). His training includes Arkansas Children’s (PICU), Fuwai Heart Center (angiography), and LVAD training in 2023. Since 2018, he has performed more than 250 therapeutic angiography procedures in Kosovo, Libya, Mali, Uganda, and Kenya.

Dr. Mehmet Faik Cetindag is a radiation oncologist at Medipol Mega University Hospital. He specializes in treating head and neck cancers at this JCI-accredited facility. Dr. Cetindag has contributed over 110 research papers to national and international scientific meetings.

• Expertise includes chemotherapy, radiotherapy, and prostatectomy procedures.
• Authored over 20 articles published in international medical journals.
• Trained in radiation oncology at the Ankara Training and Research Hospital.
• Practices at a hospital featuring Cyber and Gamma Knife technologies.

Dr. Murat Dayangac is the director of the Center for Organ Transplantation at Medipol Mega University Hospital. He specializes in liver transplantation and the treatment of hepatocellular carcinoma. Dr. Dayangac completed a fellowship as a visiting surgeon at the Mayo Clinic in the USA. He works at JCI-accredited Medipol Hospital, one of the largest medical centers in Turkey.

• Authored over 70 scientific articles on cirrhosis and liver cancer.
• Former Head of the Surgery Department at Istanbul Bilim University.
• Member of the International Liver Transplantation Society.
• Holds certifications from the European Society for Organ Transplantation.

Education and Expertise

GATA Military Medical Faculty

GATA Haydarpaşa Training Hospital Neurosurgery Clinic (Specialization)

Beykent University Hospital and Health Institutions Management (Master's)

Experience

GATA Military Medical Faculty Trainee Doctor (6 months)

Samsun Sahara Medical School Comm. (3 months)

Naval Command War Squadron TCG Diligence Medical Officer (2 years)

Dz.K.K. Submarine Battery Factory Infirmary Doctor (3 months)

Naval Forces Command Infirmary Doctor (3 months)

GATA Haydarpaşa Training Hospital Chief Assistant (12 years)

Kasımpaşa Marine Hospital Neurosurgery Clinic Chief (5 years)

Bahçelievler Medical Park Hospital Neurosurgery Specialist (11 years)

Altınbaş University Faculty of Medicine Neurosurgery Lecturer. Member (4 years)

Altınbaş University Faculty of Medicine Head of Neurosurgery Department. (3 years)

Basic and Advanced Cardiac life support courses (BASIC)

Basic and Advanced Cardiac life support courses (ADVANCED)

GATA Military Medical Faculty. Microsurgery Training Course

Istanbul Vatan Hospital Hand surgery microsurgery course

Neuroanatomy course

Spine Surgery course

Professional Memberships

Turkish Neurosurgery Association

Spine Society of Europe

Turkish Spinal and Peripheral Nerve Surgery Group

The doctor has extensive experience in general surgery, having worked at Taksim Training and Research Hospital General Surgery Clinic from 2001 to 2006. This was followed by roles at Nigde State Hospital, Selimpaşa Emergency and Traumatology Hospital, and Basaksehir State Hospital, where the doctor honed skills in emergency medicine and traumatology. The doctor's career reflects a strong focus on surgical procedures and emergency medical care.

Dr. Saban Sec is a medical oncologist with experience at leading hospitals, including Haseki Training and Research Hospital, Prof. Dr. Cemil Taşcıoğlu City Hospital, and Bahçelievler Medikalpark Hospital. He currently represents specialist physicians in the Turkish Medical Oncology Association. He is also a member of the Istanbul Medical Chamber and the Turkish Medical Oncology Association.

Dr. Sec treats breast, lung, gastrointestinal, prostate, urogenital, head and neck cancers, as well as sarcomas and rare tumors. He has published many peer-reviewed articles on cancer prognosis, treatment outcomes, and survival rates. His research includes studies with large patient groups, such as 138 patients with HER2-positive metastatic gastric cancer. Dr. Sec focuses on prognostic factors and treatment responses in different cancers. He is dedicated to improving cancer care.

The doctor is an Interventional Neuroradiologist with extensive involvement in professional radiology societies. The doctor holds memberships in several prestigious organizations, including the World Federation of Interventional and Therapeutic Neuroradiology, the Cardiovascular and Interventional Radiological Society of Europe, and the European Association of Radiology. Additionally, the doctor is affiliated with various national societies such as the Turkish Society of Radiology and the Turkish Society of Neuroradiology, highlighting a strong commitment to the field of neuroradiology.

The doctor is a highly experienced urologist with a strong focus on minimally invasive surgical techniques. They have contributed significantly to advancements in prostate cancer treatment and have published numerous articles in peer-reviewed journals. The doctor is board-certified and has participated in several international conferences as a speaker, sharing insights on innovative urological procedures. Additionally, they have been involved in clinical trials aimed at improving patient outcomes in urological health.

Dr. Leylagül Kaynar is a hematologist with broad experience in clinical hematology, bone marrow transplantation, and apheresis. She completed her medical degree and specialist training at Erciyes University in Turkey. There, she worked as Assistant Professor, Associate Professor, Director of the Apheresis Unit, and Head of the Hematology Department.

Dr. Kaynar gained international research experience as a Visiting Research Scholar at Duke University in the USA. She also led the Hematology and Bone Marrow Transplantation Department at the Bahrain Oncology Center, where she improved hematology care in the region. Dr. Kaynar is now Professor and Head of Hematology and Bone Marrow Transplantation at Medipol Mega University Hospital in Turkey. She is known for her leadership and contributions to hematology and transplantation services.

Dr. Nesrin Helvacı Yılmaz is a neurologist at Medipol Mega University Hospital in Istanbul. She specializes in Parkinson's and Alzheimer's disease treatment. Dr. Yılmaz holds dual specialties in neurology and nephrology. She treats patients at a JCI-accredited medical center using modern diagnostic protocols.

• Expert in medication management for Parkinson’s and chronic sleep disorders.
• Member of the Turkish Neurological Society and Turkish Medical Association.
• Is an active member of the Turkish Association of Sleep Medicine.
• Practices at a hospital treating over 1,200 patients every day.