Best Doctors in the World — Page 23

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.

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 has a background in Nutrition and Dietetics, having completed a bachelor's degree from Gumushane University. They have professional experience working in various health and wellness centers, including Diettherapy Nutrition and Diet Counseling Center, Mestetik Aesthetics and Beauty Center, and Estetica Beauty and Aesthetic Center. Additionally, the doctor has contributed to fitness and dietary services at Academy Fitness and Zafiran Restaurant, focusing on diet therapy and nutritional counseling.

The doctor is a highly experienced Ophthalmology Specialist currently practicing at Memorial Şişli Hospital and a private clinic in Istanbul. With a career spanning several years in prestigious medical institutions, the doctor has previously served as an Ophthalmology Specialist at Liv Hospital Ulus.

The doctor completed medical training at the Azerbaijan Medical University and furthered clinical expertise through specialized education at Selcuk University Faculty of Medicine. The professional focus remains on delivering comprehensive eye care and diagnostic services within the field of ophthalmology.

Dr. Omer Kamil Dogan is a senior ophthalmologist at Hisar Hospital Intercontinental in Istanbul. He specializes in cornea transplantation and corneal diseases. Dr. Dogan currently heads the Ophthalmology Department at Hisar Hospital. He holds a professorship from Selcuk University Faculty of Medicine.

• Authored over 170 scientific publications and 3 book chapters.
• Treats complex conditions including glaucoma and cataracts.
• Performs specialized corneal and conjunctival surgeries.
• Practices at a JCI-accredited hospital serving 500,000 patients annually.

Dr. Omer Necip Aytug is a gastrointestinal surgeon and gastroenterologist at Hisar Hospital Intercontinental. He has attained the rank of Professor and specializes in complex digestive tract procedures. Dr. Aytug treats conditions like Crohn's disease, ulcerative colitis, and Barrett's esophagus. He works at a JCI-accredited facility that serves over 500,000 patients every year.

• Performs stomach, gallbladder, and small intestine resections.
• Expert in laparoscopic anti-reflux surgery and duodenal polyp removal.
• Authored numerous papers and book chapters on gastroenterology.
• Conducts advanced diagnostics including capsule endoscopy and colonoscopy with biopsy.

Dr. Ali Fedakar is a cardiovascular surgeon at Hisar Hospital Intercontinental in Istanbul. He has performed over 4,000 open heart surgeries and 8 heart transplants. Dr. Fedakar founded the cardiovascular surgery clinics at Giresun and Sinop State Hospitals. He treats complex conditions like coronary artery disease and mitral valve prolapse.

• Specializes in minimally invasive heart surgery and beating heart bypass.
• Performs redo valve surgery and abdominal aortic aneurysm repair.
• Managed organ procurement for 40 heart transplant cases as a team member.
• Works at JCI-accredited Hisar Hospital, which treats 500,000+ patients annually.

Dr. Koray Tuncer is a gastroenterology specialist at Memorial Şişli Hospital in Istanbul. He has contributed to medical science with 18 professional publications. Dr. Tuncer translates clinical findings into practice through 49 national and international presentations. He works at a JCI-accredited facility known for world-class patient safety standards.

• Completed gastroenterology fellowships at Haydarpaşa Numune Hospital and Ege University.
• Maintains membership in the Turkish Association for the Study of the Liver.
• Completed clinical internships at Kantonsspital Aarau and Kantonsspital Münsterlingen in Switzerland.
• Is an active member of the Turkish Society of Gastroenterology.

Dr. Mustafa Saglam is the Head of the Cardiology Department at Hisar Hospital Intercontinental. He is a cardiologist and vascular surgeon specializing in aortic aneurysm repair and heart valve procedures. Dr. Saglam trained at Marmara University and Kosuyolu Heart Teaching and Research Hospital. He works at a JCI-accredited facility in Istanbul.

• Performs endovascular repair of abdominal aortic aneurysms.
• Treats coronary artery disease, arrhythmia, and hypertension.
• Proficient in balloon valvuloplasty and temporary pacemaker implantation.
• Conducts diagnostic imaging including stress tests and ambulatory cardiac monitoring.

Dr. Hilmi Bayırlı is a pediatrician. He focuses on neonatal care, premature infants, newborn follow-up, pediatric emergencies, and childhood infectious diseases.

He earned his MD from Marmara University Faculty of Medicine. He completed his pediatrics residency at Akdeniz University Faculty of Medicine. He fulfilled compulsory public service at Van Training and Research Hospital. He now practices at Hisar Hospital Intercontinental in Istanbul. His services include pediatric and neonatal care, close monitoring of premature infants, developmental follow-up, and preventive care.

Dr. Serhat Seyhan is the Head Physician at the Genetic Disorders Evaluation Center in Istanbul. He is a medical genetics specialist based at Memorial Şişli Hospital. Dr. Seyhan completed his genetic training at Karadeniz Technical University. He also gained international perspective as a scholar at the University of Miami.

• Former Chair of the Department of Medical Genetics at Istanbul Medipol University.
• Served as Head Physician for genetic centers at two major Turkish university hospitals.
• Member of the medical team at JCI-accredited Memorial Şişli Hospital.
• Expert in evaluating complex hereditary conditions and clinical genetic diagnostics.

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. 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. Gulsah Ozturk Ozluk is a neurosurgeon at Memorial Şişli Hospital in Istanbul. She completed her specialized medical training at Johns Hopkins University in the United States. Dr. Ozluk later gained clinical experience at Oregon Health and Science University. She treats patients at a JCI-accredited facility known for its high organ transplant success rates.

• Completed neurosurgery specialization training at the prestigious Johns Hopkins University.
• Obtained clinical training at Oregon Health and Science University.
• Works at Memorial Şişli Hospital, the first hospital in Turkey to earn JCI accreditation.
• Previously served as a neurosurgery specialist at Acibadem Health Group.

Dr. Yasar Colak is a Professor of Gastroenterology at Memorial Şişli Hospital in Istanbul. He has deep expertise in liver transplantation and therapeutic endoscopy. Dr. Colak served as an invited lecturer at the Cleveland Clinic Florida. He also worked in the Presidential Health Coordinatorate in Turkey.

• Specializes in liver transplantation and digestive tract disorders.
• Completed clinical training at the Cleveland Clinic Department of Endoscopic Applications.
• Treats patients at Memorial Şişli, the first JCI-accredited hospital in Turkey.
• Formerly served as an Associate Professor at Istanbul Civilization University.

Dr. Ergin Huniler is a dedicated dentist at WestDent Clinic in Izmir. He specializes in cosmetic dentistry, implantology, and restorative treatments. He earned a Master's degree from Ege University in 2006. He has completed extensive training in implant-supported prosthetics and aesthetic smile design.

• Performs complex procedures including dental implants, endodontics, and oral surgery.
• Treats patients at WestDent Clinic, an ISO 9001-certified facility.
• Uses a wide range of implant systems like Straumann and Nobel Biocare.
• Maintains a focus on functional aesthetic dentistry and periodontology.

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.

Dr. Naci Karaagac is a neurology specialist at Memorial Şişli Hospital in Istanbul. He has maintained a clinical presence at Cerrahpaşa Medical Faculty since 1982. Dr. Karaagac treats patients at one of Turkey’s most established private medical centers. He works within a JCI-accredited facility that holds world-class safety standards.

• Practices at Memorial Şişli Hospital, the first JCI-accredited center in Turkey.
• Served as a neurology specialist at the American Hospital and German Hospital.
• Completed medical service as a specialist at Maslak Military Hospital.
• Treats a variety of neurological conditions within a multidisciplinary hospital setting.