世界最高の医師 — ページ22

Dr. Servet Alan is a specialist in infectious diseases and clinical microbiology at Memorial Şişli Hospital. He holds a Master’s degree in pediatric infectious diseases from Istanbul University. Dr. Alan also earned a Master’s in hospital and healthcare management. He treats patients at a JCI-accredited facility known for world-class safety standards.

• Member of the Klimik Association and the Turkish Society of Microbiology.
• Active member of the Association for Hospital Infections and Control.
• Served as a specialist at Haseki Training and Research Hospital for 15 years.
• Participates in numerous international microbiology congresses and seminars.

Dr. Yavuz Yalcin is an endocrinologist at Memorial Sisli Hospital in Istanbul. He treats metabolic diseases and endocrine disorders. He holds a medical board certification in internal medicine. Dr. Yalcin also has a certification as a Hemodialysis Responsible Physician. He works at a JCI-accredited hospital, a global standard for medical safety.

• Published 8 international and 10 national research papers.
• Completed a fellowship in endocrinology and metabolic diseases at Ankara Numune.
• Member of the Turkish Society of Endocrinology and Metabolism.
• Completed specialized training in thyroid and neck ultrasonography.

Dr. Elif Erol is a gynecologist and obstetrician at Hisar Hospital Intercontinental in Istanbul. She specializes in pregnancy monitoring and high-risk pregnancy management. Dr. Erol performs normal, painless, and water deliveries. She works at a JCI-accredited facility, meeting the highest US surgical safety standards.

• Performs closed laparoscopic and hysteroscopic surgeries for fibroids and cysts.
• Treats polycystic ovary syndrome and complex hormonal disorders.
• Provides genital aesthetic and reconstructive surgeries.
• Manages menopause through bioequivalent hormone replacement therapies.

Dr. Tumay Ipekci is a urology specialist and professor at Memorial Şişli Hospital in Istanbul. He has authored over 60 articles in peer-reviewed medical journals. Dr. Ipekci serves on the editorial boards of Urology Research and Practice and the Mediterranean Medical Journal. He is a faculty member at Bahçeşehir University. His practice is based at a JCI-accredited hospital known for organ transplantation and robotic surgery.

• Member of the European Association of Urology (EAU) since 2006.
• Presented 36 scientific papers at national and international medical congresses.
• Active member of the Endourology Society and the Turkish Urological Association.
• Former associate professor at Başkent University Department of Urology.

Dr. Teoman Akcay is a gastroenterologist at Memorial Ataşehir Hospital in Istanbul. He specializes in digestive disorders, endoscopy, and liver research. Dr. Akcay completed his specialty training at Dokuz Eylül University. He treats patients at a clinic in the JCI-accredited Memorial Healthcare Group.

• Member of the Turkish Gastroenterology Association.
• Active member of the Turkish Liver Research Association.
• Sits on the Turkish Endoscopy Association board.
• Published numerous scientific articles in national and international medical journals.

Dr. Ali Osman Koyuncuoglu specializes in obstetrics, gynecology, and IVF at Memorial Bahçelievler Hospital. He has practiced reproductive medicine for two decades at top Turkish medical centers. Dr. Koyuncuoglu holds memberships in the American Society for Reproductive Medicine and ESHRE.

• Completed training at Brussels IVF Center and the Regionshospitalet Skive IVF in Denmark.
• Trained in robotic surgery at Acıbadem University and laparoscopic techniques at IRCAD Strasbourg.
• Maintains expertise in reproductive endocrinology through the Turkish Society of Reproductive Medicine.
• Works at JCI-accredited Memorial Bahçelievler Hospital, an eco-friendly facility in Istanbul.

Dr. Savas Kansoy is a pediatric hematologist and oncologist at Anadolu Medical Center. He founded Turkey’s first pediatric bone marrow transplantation units. Dr. Kansoy treates children with leukemia, lymphoma, and aplastic anemia. He is a primary contributor to national stem cell transplant registries.

• Founded pediatric oncology and bone marrow transplant clinics across major Turkish hospitals.
• Performs haploidentical, allogenic, and autologous stem cell transplantations.
• Served as a board member of the Turkish Society of Hematology.
• Works at Anadolu Medical Center, an affiliate of the Johns Hopkins Hospital.

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. Fatima Bayramova is an endocrinologist at Lokman Hekim Istanbul Hospital. She specialists in diabetes mellitus, thyroid diseases, and obesity. Dr. Bayramova completed residency training at both Hacettepe University and Istanbul University. She holds expertise in adrenal and pituitary disorders and osteoporosis management.

• Member of the Turkish Society of Endocrinology and Metabolism.
• Researches correlations between bone marrow aspiration and biopsy results.
• Treats patients at JCI-accredited Lokman Hekim Istanbul Hospital.
• Fluent in medical services for both adults and children.

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.

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. 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. 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. Umit Tuncel is an ENT specialist at Lokman Hekim Istanbul Hospital. He spent 15 years in clinic leadership roles across three major Turkish medical centers. Dr. Tuncel specializes in head and neck cancers and sleep apnea surgery. He treats both adults and children for ear, nose, and throat conditions.

• Former Head of Clinic at Ankara Oncology Training and Research Hospital.
• Focuses on rhinoplasty and pediatric ENT diseases.
• Works at JCI-accredited Lokman Hekim Istanbul Hospital.
• Practices at a facility holding ISO 9001 quality management certification.

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. 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.

2020 - Present, Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Neurology Specialist

2009 - 2020, Istanbul/Türkiye

PRIVATE SİŞLİ FLORENCE NIGHTINGALE HOSPITAL

Neurology Specialist

2008 - 2008, Sakarya/Türkiye

SAKARYA YENİKENT STATE HOSPITAL

Neurology Specialist

2007 - 2008, Ankara/Türkiye

ANKARA OCCUPATIONAL DISEASES HOSPITAL

Neurology Specialist

Dr. Volkan Seneger is a psychiatrist at Lokman Hekim Istanbul Hospital. He treats a variety of mental health conditions through psychotherapy. Dr. Seneger completed his medical degree at Dokuz Eylül University. He later finished specialized psychiatry training at Göztepe Training and Research Hospital.

• Member of the Turkish Psychiatry Association and the Turkish Medical Association.
• Practices at a JCI-accredited medical center in Istanbul.
• Provides care at a facility that treats 10,000+ patients every year.
• Treats patients at a hospital certified by TÜV NORD CERT.