Page 33 - Treatment in Istanbul (Turkey)

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. Mahir Cengiz is a Professor of Internal Medicine and an Internal Medicine Specialist. He works at Memorial Göztepe Hospital (2025–present). He previously served at Istanbul Aydın University–Medical Park Florya (2022–2025). He held roles at Biruni University Hospital as Lecturer and Chief Physician (2018–2022). Earlier, he was a Lecturer at Istanbul University–Cerrahpaşa Faculty of Medicine (2013–2018) and Chief Physician at Şarkışla State Hospital (2012–2013).

His track record includes 12 years as a lecturer and 5 years as a chief physician. He earned his MD from Istanbul University, Istanbul Faculty of Medicine (2000–2006). He completed an Internal Medicine residency at Istanbul University–Cerrahpaşa (2006–2011). He served as Chief Resident in Internal Medicine (2013–2017). He became an Associate Professor in 2017 and a Professor in 2022.

Professor Dr. Engin Cakar is a specialist in Physical Medicine and Rehabilitation, Algology (Pain Medicine), and Electrodiagnostic Neurology. He practices at Memorial Göztepe and Memorial Şişli Hospitals. He previously held posts at Medipol Mega University Hospital and GATA Haydarpaşa Training Hospital.

Titles and training: Professor (2016). Associate Professor (2011). Algology specialty, Ministry of Health Medical Specialization Board–GATA (2011). Electrodiagnostic Neurology, Marmara University (2007–2010).

Publications: 40 international and 17 national peer-reviewed articles. Presentations: 17 international and 12 national. He has also written many book chapters. Memberships: European Society of PRM; Turkish PM&R; Turkish Algology; Turkish Clinical Neurophysiology (EEG–EMG). He chairs the Brain Stimulation and Neurorestoration Working Group.

Further training: Harvard Medical School—Transcranial Magnetic Stimulation and Direct Current Stimulation. He has given many invited lectures and attended many congresses.

Gastroenterological Surgery Specialist at Memorial Göztepe Hospital (2025–present). Former instructor and responsible physician in the Liver Transplantation Unit at Koşuyolu Yüksek İhtisas Training and Research Hospital (2022–2025).

Faculty member in General Surgery at Fırat University (2018–2022). Specialist at Haseki Training and Research Hospital (2015–2018). Education: Ph.D. program in Molecular Oncology (2017–2023) and gastroenterological surgery subspecialty (2013–2015). General Surgery (2006–2011) and M.D. (1999–2005).

Memberships: Turkish Surgical Society, Gastroenterological Surgery Society, and ERAS Society. Training: İnönü University Liver Transplantation Institute (2018–2019), Eurodonor Multiorgan Procurement (2023), and the Oxford and Leiden University Transplant Centres.

Dr. Bulen Can is an endocrinology specialist at Memorial Göztepe Hospital (2025–present). He previously worked at Acıbadem Ataşehir (2024–2025). From 2017 to 2024, he was a faculty member in the Division of Endocrinology at Istanbul Medeniyet University. He also practiced at Ankara Numune, Kastamonu Dr. M. İslamoğlu, and Ümraniye Training and Research Hospitals. He has been an endocrinology specialist since 2013.

He completed subspecialty training in Endocrinology and Metabolic Diseases at Istanbul University, Istanbul Faculty of Medicine (2009–2013). Before that, he finished his Internal Medicine residency at Bezm‑i Âlem Vakıf Gureba (2003–2009). He received his M.D. from the Istanbul Faculty of Medicine. He is a member of TEMD, TİHUD, TTB, and the Istanbul Medical Chamber. He attended the 46th TEMD Congress (2025), Aydın Endocrine Days (2022), and Clinical Research Training (2017).

Dr. Vafa Guliyeva is a pediatric rheumatologist at Memorial Göztepe Hospital in Istanbul. She previously worked at Memorial Şişli and LIV Bona Dea. Before that, she was a pediatrics specialist at Florence Nightingale Hospital.

Training: Pediatric rheumatology subspecialty at Istanbul University and Istanbul Cerrahpaşa University. Pediatrics residency at Istanbul Medeniyet University.

Achievements: Author of 20 international and 3 national peer-reviewed articles. Presented 3 international and 20 national conference papers. Contributed to 4 book chapters. Principal investigator of a BAP scientific project.

Memberships: Turkish Medical Association (TTB). Pediatric Rheumatology Association. Paediatric Rheumatology European Society (PReS).

EXPERIENCE

2019 - Present, Istanbul/Istanbul/Turkey

MEMORIAL ATAŞEHİR HOSPITAL

General Surgeon

2012 - 2019, Diyarbakır/Diyarbakır/Turkey

DİCLE UNIVERSITY FACULTY OF MEDICINE

General Surgeon

2011 - 2012, Van/Van/Turkey

VAN REGIONAL TRAINING AND RESEARCH HOSPITAL

General Surgeon

2009 - 2011, Van/Van/Turkey

HAKKARİ STATE HOSPITAL

General Surgeon

2004 - 2009, Van/Van/Turkey

YÜZÜNCÜYIL UNIVERSITY FACULTY OF MEDICINE

General Surgeon

2002 - 2004, Van/Van/Turkey

HACIBEKİR HEALTH CENTER

General Practitioner

EDUCATION

2018 - 2019, Diyarbakır/Turkey

Associate Professor

2015, Ohio/USA

OHIO STATE UNIVERSITY WEXNER MEDICAL CENTER

Neck Dissection Training

2012 - 2018, Diyarbakır/Turkey

Assistant Professor

1996 - 2002, Adana/Turkey

ÇUKUROVA UNIVERSITY

FACULTY OF MEDICINE - Medical Doctor Education

Dr. Omer Uslukaya is the author of 50 scientific publications in general and reconstructive surgery, focusing on laparoscopic splenectomy, pancreatitis, wound healing, and breast surgery outcomes.

The doctor is a seasoned Ophthalmologist and Cornea Specialist with over a decade of experience. Based in Istanbul, Turkey, the doctor has mastered a wide array of ophthalmic procedures. The doctor completed post-graduation from Beyoğlu Eye Hospital and graduated from Istanbul University Faculty of Medicine in 2006.

Assoc. Dr. Mustafa Kılıç graduated from Eskişehir Osmangazi University Faculty of Medicine in 2007. He completed his Brain and Nerve Surgery specialization training in Şişli Etfal Training and Research Hospital, Neurosurgery Clinic in 2013.

He worked as a Specialist at Malatya State Hospital between 2013-2015 and as Assistant Professor at Harran University between 2015-2016. He received the title of Associate Professor in 2020 in Şişli Etfal Training and Research Hospital, Brain and Nerve Surgery Clinic, where he worked between 2016-2022.

Kılıç, who actively diagnoses, treats and performs operations on Brain Tumors, Spinal Cord Tumors, Deep Brain Stimulation, Sacral Nerve Stimulation, Spinal Cord Stimulation, Trigeminal Nerve Stimulation, Vagus Nerve Stimulation, Spondylolysis, Spondylolisthesis and Trigeminal Neuralgia. His articles and works have been published in many magazines and books.

Today, he continues his brain, nerve and spinal cord surgery procedures at NeuroSpine Clinic.

Kılıç, who was born in 1982, is married and has 3 children.

Dr. Ayhan Levent is an internal medicine specialist and assistant professor at NP Istanbul Brain Hospital. He has worked there since 2020. He graduated from the Dokuz Eylül University Faculty of Medicine in 2011. In 2013, he passed the Medical Specialization Examination and began his internal medicine residency at Haseki Training and Research Hospital.

He began his career at the Sultanbeyli Community Health Center. He volunteered during the 2011 Van earthquake. In 2017, he was appointed an internal medicine specialist at Sancaktepe Training and Research Hospital. He completed his state service obligation in 2020.

Dr. Cahide Yılmaz, Çocuk Sağlığı ve Hastalıkları uzmanı ve Çocuk Nörolojisi yan dal uzmanıdır. 1985-1991 arasında Atatürk Üniversitesi Tıp Fakültesi’nde tıp eğitimi ve yüksek lisansını tamamladı. 1997-2001 yılları arasında Fatih Üniversitesi’nde Çocuk Sağlığı ve Hastalıkları uzmanlığını tamamladı. 2003-2007 yılları arasında Yüzüncü Yıl Üniversitesi’nde Çocuk Nörolojisi yan dalını tamamladı.

2010-2013’te Mustafa Kemal Üniversitesi Tıp Fakültesi’nde Çocuk Nörolojisi alanında Doç. Dr. olarak görev yaptı. 2013-2016’da Yıldırım Beyazıt Üniversitesi Tıp Fakültesi’nde aynı unvanla çalıştı.

Psikiyatri Uzmanı (2010). Gazi Üniversitesi Nörobilim doktorası (2017). 2007’de Deney Hayvanları Kullanma Sertifikası aldı. Kemirgenlerde psikiyatrik hastalık modelleri, psikofarmakoloji ve davranışsal ile immünohistokimyasal analizler üzerine çalıştı. İlgi alanları şizofreni ve diğer psikotik bozukluklar, bağımlılık ve psikofarmakolojidir.

Yerli ve yabancı dergilerde yayınları vardır. Biri ulusal, biri uluslararası olmak üzere iki kitap bölümünün yazarıdır. Bir ulusal ve bir uluslararası poster ödülü sahibidir. Yürütücüsü olduğu bir ve araştırmacısı olduğu bir TÜBİTAK‑3001 projesini tamamladı. Klinik Psikiyatri Dergisi’nin (2010‑) ve The Journal of Neurobehavioral Sciences’ın (2015‑) yayın kurulu üyesidir. TTB ve Türkiye Psikiyatri Derneği üyesidir. NPFUAM Yönetim Kurulu üyesidir. TPD Nörobilim ile Psikofarmakoloji ve Somatik Sağaltımlar Çalışma Birimleri’nde görev yapmaktadır.

He graduated from Istanbul Pertevniyal High School in 1997 and successfully graduated from Istanbul University Istanbul Faculty of Medicine in 2003 and received the title of Doctor of Medicine. In the same year, he started his assistant training in Istanbul Şişli Etfal Training and Research Hospital, Department of Otorhinolaryngology, and received the title of specialist doctor in 2009. He did his compulsory service in Bayburt state hospital between 2009-2011 and his military service in Balıkesir Military Hospital between 2011-2012. He worked at Istanbul Private Safa Hospital between 2012-2018 . received the title of Associate Professor during his duty. Having a special interest in rhinoplasty, 

Education and Expertise

2003 - At Istanbul University Istanbul Faculty of Medicine

2003 - 2009 - Şişli Etfal Training and Research Hospital

Experience

2009 - 2011 - Bayburt State Hospital

2013 - Istanbul Private Safa Hospital

Professional Memberships

Turkish Ear Nose Throat Foundation

Turkish Medical Association

Facial Plastic Surgery Association

Turkish ENT and Surgery Association

EXPERIENCE

2017 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL ATAŞEHİR HOSPITAL

Chest Diseases and Tuberculosis Specialist

2009 - 2016, Istanbul/Istanbul/Türkiye

MALTEPE UNIVERSITY FACULTY OF MEDICINE

Dean<br>Department of Pulmonary Diseases<br>Senator<br>Faculty Board Member

2005 - 2009, Istanbul/Istanbul/Türkiye

SÜREYYAPAŞA CHEST DISEASES AND THORACIC SURGERY TRAINING AND RESEARCH HOSPITAL

Chest Diseases Clinic Chief

1991 - 2005, Istanbul/Istanbul/Türkiye

HEYBELİADA CHEST DISEASES THORACIC SURGERY TRAINING AND RESEARCH HOSPITAL

Chief Physician<br>Chief of Chest Diseases Clinic

1989 - 1991, Istanbul/Istanbul/Türkiye

ÇAMLICA MILITARY CHEST DISEASES HOSPITAL

Medical Second Lieutenant

1984 - 1989, Montreal/Montreal/Türkiye

MALATYA STATE HOSPITAL

Chest Diseases Specialist