Best Doctors in the World — Page 25

Dr. Ahmet Nadir Tosyali is a pediatric surgeon at Anadolu Medical Center in Istanbul. He holds the Turkish Pediatric Surgery Qualification Certificate. Dr. Tosyali treats complex conditions like Wilms tumor, neuroblastoma, and spina bifida. He provides care at a clinic affiliated with Johns Hopkins Medicine.

• Specializes in neonatal surgery, pediatric urology, and oncological procedures.
• Completed training in anorectal malformations and international hypospadias repair.
• Member of the Turkish Society of Pediatric Surgery and the Pediatric Urology Society.
• Works at a Top 10 world hospital according to MTQUA rankings.

Dr. Fatma Kural Aydin is an internal medicine specialist at Hisar Hospital Intercontinental in Istanbul. She focuses on endocrine and metabolic diseases. Dr. Aydin graduated from the Istanbul University Cerrahpaşa School of Medicine. She later finished her residency at the Istanbul School of Medicine.

• Expert in managing complex internal medical conditions and metabolic disorders.
• Provides differential diagnosis and monitoring for varied internal diseases.
• Practices at a JCI-accredited hospital that serves over 500,000 patients annually.
• Performs diverse diagnostic screenings, including heart, cancer, and endocrine check-ups.

Dr. Levent Kilickan is an anesthesiologist at Hisar Hospital Intercontinental in Istanbul. He achieved full professorship at Kocaeli University Faculty of Medicine. Dr. Kilickan focuses on cardiovascular anesthesia and organ transplantation. He works at a JCI-accredited facility meeting international safety standards.

• Specializes in intensive care and regional anesthesia.
• Completed medical residency at Istanbul Taksim Hospital.
• Treats patients at a clinic serving over 500,000 people annually.
• Experienced in complex anesthesia for major cardiovascular surgeries.

Dr. Esra Kaytan Saglam is a radiation oncologist at Memorial Şişli Hospital in Istanbul. She specializes in TrueBeam technology and stereotaxic radiosurgery for cancer treatment. Dr. Saglam serves as the Chief Editor for the Turkish Society of Oncology. She has authored over 110 scientific publications on various oncological issues.

• Acts as the Vice President of the Turkish Society of Oncology.
• Sits on the Scientific Advisory Board for the Journal of Medical Sciences.
• Maintains membership in the European Society of Therapeutic Radiology and Oncology.
• Works at JCI-accredited Memorial Şişli Hospital, a center with top transplant success rates.

Dr. Ali Irfan Emre Tekgunduz is a hematologist at Memorial Bahçelievler Hospital in Istanbul. He specializes in bone marrow transplants and the treatment of complex blood diseases. Dr. Tekgunduz formerly served as the Deputy Head of Hematology at Ankara Oncological Hospital. He completed his medical training at Istanbul Medical University and Trakya University.

• Specialist in stem cell transplantation and internal medicine.
• Maintains membership in the European Hematological Association.
• Active member of the Society for Blood and Marrow Transplantation.
• Practices at a JCI-accredited facility, a US standard for patient safety.

Dr. Naci Erciyes Yagan is a surgeon at Memorial Şişli Hospital in Istanbul. He specializes in chest and cardiovascular surgery. He has worked at several major Turkish medical centers since 1990. Dr. Yagan currently treats patients at one of Turkey's first JCI-accredited hospitals.

• Serves as a cardiovascular surgeon at Memorial Şişli Hospital.
• Held senior surgical roles at Florence Nightingale Hospital.
• Practiced at Yedikule Pulmonary Diseases Hospital.
• Works at a facility with a 90% success rate for organ transplants.

Dr. Fazilet Karakoc is a pediatric pulmonologist at Memorial Şişli and Memorial Ataşehir hospitals in Istanbul. She serves as a member of the Department of Pediatric Chest Diseases at Marmara University. Dr. Karakoc specializes in treating children with complex respiratory and lung conditions. She works at JCI-accredited Memorial Şişli, the first hospital in Turkey to earn this safety standard.

• Serves as both a pediatric chest specialist and a general pediatric health specialist.
• Maintains an academic role at the Marmara University Faculty of Medicine.
• Treats patients at one of Turkey’s leading multidisciplinary medical centers.
• Focuses on pediatric pulmonology within a hospital network serving 160+ countries.

Dr. Dilek Erkan is an ophthalmologist at Memorial Şişli Hospital in Istanbul. She served as the Head of the Ophthalmology Department at Ondokuz Mayis University. Dr. Erkan began her medical practice in 1982. She works at the first hospital in Turkey to receive JCI accreditation.

• Former Head of Department at Ondokuz Mayis University Faculty of Medicine.
• Treats patients at Memorial Şişli, a center with 13 operating rooms.
• Served as a faculty member in ophthalmology for over 15 years.
• Practices at a JCI-accredited facility meeting international safety standards.

Dr. Cagatay Cetinkaya is a breast and thoracic surgeon at Memorial Atasehir Hospital. He treats conditions requiring surgical intervention within the chest and breast areas. Dr. Cetinkaya previously served as the Chief Physician at Bilecik Golpazari State Hospital. He completed his clinical research training at Marmara University Faculty of Medicine.

• Specializes in thoracic surgery and breast surgery procedures.
• Was the lead physician at a state medical facility in Bilecik.
• Works at Memorial Şişli, the first hospital in Turkey to earn JCI accreditation.
• Practices within a medical group that reports a 90% organ transplant success rate.

Dr. Alihan Gurkan is a general surgeon at Memorial Antalya Hospital in Turkey. He specializes in bariatric and gastrointestinal surgery. He completed high-level fellowships at The Mount Sinai Hospital and St. Luke’s Episcopal Hospital. Dr. Gurkan previously led a Department of General Surgery for over a decade.

• Member of the American Society of Transplant Surgeons and Turkish Society of Surgery.
• Completed specialized US training in multi-organ transplantation and cardiovascular surgery.
• Performs bariatric and gastrointestinal procedures at a JCI-accredited facility.
• Treats various digestive conditions following international safety protocols.

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.