Doctors in Istanbul, Turkey — Page 19

Dr. Mahir Mahirogullari is an orthopedic surgeon at Memorial Şişli Hospital in Istanbul. He completed a fellowship in orthopedics and traumatology at Wake Forest University in the USA. Dr. Mahirogullari specializes in treating complex musculoskeletal injuries and joint conditions like arthrosis.

• Earned the Turkish Association of Orthopedics and Traumatology Best Verbal Declaration Award.
• Winner of multiple professional honors, including the Derviş Manizade and Altındağ Branch prizes.
• Member of the International Society of Arthroscopy Knee Surgery and Orthopaedic Sport Medicine.
• Works at Memorial Şişli, the first hospital in Turkey to receive JCI accreditation.

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. Hasim Ustunsoy is a cardiac surgeon at Anadolu Medical Center in Istanbul. He pioneered robotic cardiac surgery using the Da Vinci system in Turkey. Dr. Ustunsoy specializes in valve repair and coronary artery bypass. He provides treatment for both adults and children with complex heart conditions.

• Former Head of the Lung Transplant Center at Gaziantep University.
• Completed fellowships at Glasgow University and Columbia University in New York.
• Served as an Associate Professor at Geneva University in Switzerland.
• Member of the International Society for Heart and Lung Transplantation.

Dr. Nermin Mammadova is a specialist in plastic, reconstructive, and aesthetic surgery. She has a strong academic background and international experience. She completed medical school at Dokuz Eylül University Faculty of Medicine. She finished specialty training in plastic surgery at Istanbul University, Istanbul Faculty of Medicine.

Her credentials include ISAPS membership, advanced surgical training, and microsurgery training. She also has international observership experience. She contributes to the field through oral presentations and scientific studies. She stays active in national and international congresses.

Dr. Atila Tanyeli is a professor specializing in pediatric hematology and bone marrow transplantation. He works at Memorial Şişli Hospital in Istanbul. Dr. Tanyeli treats blood disorders and cancers in children, including leukemia. He is recognized across Europe for his research in bone marrow transplantation.

• Member of the European Association for Bone Marrow Transplantation.
• Holds memberships in the Turkish and American Societies of Hematology.
• Treats acute lymphoblastic leukemia and other complex pediatric blood cancers.
• Practices at the JCI-accredited Memorial Şişli Hospital.

The doctor is a highly experienced Obstetrics and Gynaecology Specialist with a robust clinical background spanning several major medical institutions in Turkey. Currently practicing at Memorial Bahçelievler Hospital since 2022, the doctor has previously served in key clinical roles at Bezmialem Foundation University Faculty of Medicine Hospital and Kahta State Hospital.

Throughout a career dedicated to women's health, the doctor has focused on providing comprehensive obstetric and gynecological care, managing complex clinical cases, and maintaining high standards of patient treatment within both university hospital settings and state medical facilities.

The doctor is a highly experienced Cardiovascular Surgery Specialist with an extensive academic and clinical background. Currently practicing at Memorial Antalya Hospital, the doctor previously served as an Associate Professor and Assistant Professor in the Department of Cardiovascular Surgery at Akdeniz University Faculty of Medicine. With a career spanning nearly two decades, the doctor has developed deep expertise in complex cardiovascular procedures, including mechanical circulatory support, ECMO-assisted cardiopulmonary resuscitation, and peripheral bypass surgeries.

The doctor has contributed significantly to medical literature, with research published in international peer-reviewed journals focusing on vascular ablation, cardiac transplantation, and graft management.

Dr. Yunus Nas, MD, is an Assistant Professor, Pediatrician, and Infectious Diseases Specialist. He earned his medical degree at 19 Mayıs University Faculty of Medicine and completed his Infectious Diseases training there. He then completed a second specialization in Pediatrics at Zeynep Kamil Gynecology and Pediatrics Training and Research Hospital in Istanbul.

His practice focuses on pediatric infections and respiratory diseases. He treats childhood infections, chronic or recurrent cough, bronchitis, and bronchiolitis. He also manages tuberculosis and allergic diseases. He has experience in neonatal intensive care and pediatric emergency care. He provides preventive care and monitors growth and nutrition.

Dr. Ozan Ali Erdal is a pediatric orthopedic surgeon at Lokman Hekim Istanbul Hospital. He specializes in treating cerebral palsy and osteogenesis imperfecta. He focuses on deformity correction and limb lengthening. Dr. Erdal performs complex surgeries for congenital bone deficiencies and hip dislocation. He works at a JCI-accredited facility that treats 10,000+ patients annually.

• Specializes in clubfoot (PEV) treatment and height extension procedures.
• Treats pediatric fractures, malunions, and chronic foot deformities.
• Completed medical specialization at Istanbul University-Cerrahpaşa.
• Corrects congenital conditions like fibular hemimelia and bowlegs.

Dr. Elif Evrim Ekin is a radiologist at the JCI-accredited Hisar Hospital Intercontinental in Istanbul. She specializes in musculoskeletal radiology and breast imaging. Dr. Ekin serves as the Education Coordinator at the Radiology Education Clinic. She has published extensive research in international journals indexed in SCI and SCI-E.

• Obtained her Medical Doctor title from Ege University Faculty of Medicine.
• Completed specialized radiology training at Izmir Bozyaka Training and Research Hospital.
• Maintains a focus on musculoskeletal diagnostics and breast health imaging.
• Completed the Fundamentals of Good Clinical Practice training.
• Works at a facility that treats over 500,000 patients annually.

Dr. Nesrin Sariman is a pulmonology and sleep medicine specialist at Hisar Hospital Intercontinental. She treats asthma, COPD, and lung cancer. Dr. Sariman is a bronchoscopy specialist. She participated in a multicenter international clinical study on asthma. Dr. Sariman holds certifications in functional medicine and phytotherapy from Medipol University.

• Served as Assistant Dean at Maltepe University from 2019 to 2022.
• Treats sleep disorders including obstructive sleep apnea syndrome.
• Maintains memberships in several national and international medical associations.
• Works at Hisar Hospital Intercontinental, a JCI-accredited facility in Istanbul.

Dr. Bingur Sonmez is the Head of Cardiovascular Surgery at Memorial Şişli Hospital. He specializes in heart surgery and minimally invasive techniques. Dr. Sonmez completed his cardiac surgical training at Istanbul University. He later served as Chief Resident of Cardiovascular Surgery at St. Thomas Hospital in London.

• Leads the cardiac surgery department at a JCI-accredited medical center.
• Former Head of Surgical Sciences at Florence Nightingale Hospital.
• Treats patients at a facility with a 90% organ transplant success rate.
• Completed major international residency training in the United Kingdom.

Dr. Ahmet Nevzat Nayir is a pediatric nephrology specialist at Memorial Şişli Hospital in Istanbul. He serves as a Professor at the Istanbul Faculty of Medicine. Dr. Nayir specializes in treating kidney and urinary tract conditions in children. He works at the first hospital in Turkey to earn JCI accreditation for safety.

• Holds a professorship in the Division of Children's Nephrology.
• Treats complex pediatric kidney diseases at a leading multidisciplinary medical center.
• Practices at a facility with a 90% success rate in organ transplantation.
• Maintains an academic role alongside his clinical practice at Memorial Şişli.

Dr. Suveyda Gozukucuk is an infectious disease specialist at Hisar Hospital Intercontinental in Istanbul. She focuses on hospital-acquired infections and sterilization protocols. Dr. Gozukucuk also treats viral hepatitis and hepatitis C cases. She practices at a JCI-accredited facility recognized for high safety standards.

• Specializes in infection management for immunocompromised patients.
• Expertise in hospital sterilization and disinfection procedures.
• Completed medical specialization at Erciyes University Faculty of Medicine.
• Treats patients at a hospital serving over 500,000 people annually.

Dr. Servet Izci is a cardiologist with 24 years of clinical practice. He earned his MD at Fırat University (1996–2002). He completed a cardiology residency at Kartal Koşuyolu Training and Research Hospital (2010–2015). He worked as a consultant cardiologist at Kartal Koşuyolu (2015–2025) and Pendik Medical Park (2025–2026). He now practices at Lokman Hekim Istanbul Hospital (2026–present). He is a member of the Istanbul Medical Chamber and the Turkish Society of Cardiology.

Clinical focus: coronary angiography and stenting via radial access. He also performs peripheral and carotid artery interventions. He manages arrhythmias, hypertension, hyperlipidemia, and heart failure. Scientific output: three publications. Topics include catestatin as a predictor of mortality in acute pulmonary embolism, ECG changes during alcohol withdrawal, and the increased risk of high‑grade AV block in non‑O blood types.

Dr. Mehmet Yasar Kaynar is a neurosurgeon at Memorial Şişli Hospital in Istanbul. He holds extensive leadership experience in Turkish neurosurgery. Dr. Kaynar previously directed the Istanbul University Institute of Neurological Sciences. He treats patients at a JCI-accredited facility known for its high success rates.

• Former Head of Neurosurgery at Cerrahpasa Medical Faculty, Istanbul University.
• Served as a Board Member of the Turkish Neurosurgery Association.
• Former Head of the Neurovascular Group of the Turkish Neurosurgery Association.
• Served on the qualification board for the Turkish Neurosurgery Association.

Dr. Oya Ercan is a pediatric endocrinologist at Memorial Şişli Hospital in Istanbul. She founded the Adolescent Science Branch at Cerrahpaşa Medical Faculty. Dr. Ercan specializes in hormonal disorders in children and teenagers. She previously served as visiting Chief Resident at Middlesex Hospital in London.

• Current Head of the Department of Pediatric Endocrinology at Cerrahpaşa Medical Faculty.
• Treats a wide variety of pediatric endocrine and cellular conditions.
• Practices at JCI-accredited Memorial Şişli Hospital, a leading center for specialized care.
• Holds nearly four decades of clinical experience in Turkish and British medical systems.