イスタンブール（トルコ）の医師 — ページ36

Dr. Tolga Sinan Guvenc is a cardiologist at Memorial Göztepe Hospital in Istanbul. He specializes in heart failure and echocardiography. He sits on the Editorial Board of Scientific Reports, a Nature Portfolio journal. Dr. Guvenc has authored over 200 scientific articles and medical book chapters.

• Fellow of the European Society of Cardiology Heart Failure Association.
• Completed a clinical fellowship in heart failure at the University of Alberta.
• Served as a visiting scientist at the University of Alabama at Birmingham.
• Practices at Memorial Göztepe Hospital, a facility with AI-supported imaging technology.

Dr. Haldun Orhun is an orthopedic surgeon and traumatologist at Memorial Ataşehir Hospital in Istanbul. He performs joint replacements and treats spine traumas. This help lets both pediatric and adult patients recover mobility.

Specialization and Surgical Focus

Dr. Orhun restores mobility through joint surgery and sports medicine. He treats various musculoskeletal conditions and injuries. His surgical practice includes:

• Hip and knee replacement
• Shoulder and ankle joint replacement
• Arthroscopic meniscectomy for meniscus tears — a minimally invasive procedure to repair or remove damaged knee cartilage
• Surgery for forearm fractures
• Treatment of sports-related injuries
• Treatment of spine trauma

Professional Career

He has been practicing at Memorial Ataşehir Hospital since 2011. This facility holds JCI accreditation for international safety and quality standards. Dr. Orhun is a member of the orthopedic and traumatology department.

Education and Training

• 1985 – Ankara University Medical School – Degree in General Medicine, Turkey

Professional Memberships

Dr. Orhun is a member of several medical organizations. These include:

• International Society of Arthroscopy, Knee Surgery and Orthopedic Sports Medicine (ISAKOS)
• Turkish Medical Association
• Istanbul Chamber of Commerce

Dr. Eldaniz Mammadli is a neurosurgery specialist at Memorial Göztepe Hospital in Istanbul. He completed clinical observerships under world-renowned experts in France and the USA. Dr. Mammadli is a member of the European Association of Neurosurgical Societies (EANS). He also belongs to the Congress of Neurological Surgeons.

• Trained at the Yasargil Microneurosurgery Academy in Boston and Istanbul.
• Completed specialized training at the Barrow Neurological Institute in the USA.
• Studied advanced brain and spine techniques under Prof. Hugues Duffau in France.
• Works at a facility featuring AI-supported 3 Tesla MRI and hybrid operating rooms.

Dr. Ferhat Yakup Suceken is a urology specialist at Memorial Göztepe Hospital in Istanbul. He completed specialized surgical training in robotic surgery and laparoscopic techniques. Dr. Suceken is an active member of the Turkish Urological Association. He works at a facility equipped with da Vinci XI robotic technology.

• Performs specialized procedures including penile prosthesis surgery and flexible ureterorenoscopy.
• Completed training in PCNL (percutaneous nephrolithotomy) for kidney stone removal.
• Member of the Urological Surgery Association.
• Practices at Memorial Göztepe, a modern facility with 19 operating rooms.

Dr. Zeynep Kabalci Holtoft is a specialist dentist at Memorial Göztepe Hospital in Istanbul. She focuses on oral health, implantology, and aesthetic dentistry. Dr. Holtoft earned her degree at Gazi University and completed additional training at Goethe University in Germany. She previously served as Medical Director at Spain Dental Care in Dubai.

• Completed cadaveric anatomical training in Vienna and hard-tissue grafting in Frankfurt.
• Holds certifications in personalized smile design and digital implant solutions.
• Maintains professional memberships with the Turkish Dental Association and Dubai Health Authority.
• Practices at Memorial Göztepe Hospital, a facility with over 25 years of experience.

Dr. Mehmet Semih is a cardiologist at Memorial Göztepe Hospital in Istanbul. He specializes in heart rhythm management and bifurcation lesion treatment. He holds memberships in the European Society of Cardiology and the European Heart Rhythm Association. Dr. Semih trained at Istanbul University Cerrahpaşa, a leading medical institution in Turkey.

• Presented oral case reports at EHRA and Turkish Society of Cardiology congresses.
• Completed specialized training in echocardiography and bifurcation lesions.
• Treats patients at an eco-friendly facility equipped with 3 Tesla MRI technology.
• Member of the European Heart Rhythm Association (EHRA).

Dr. Muslim Sahin is a cardiology specialist at Memorial Göztepe Hospital in Istanbul. He is a member of the European Society of Cardiology (ESC). Dr. Sahin also holds membership in the EuroCTO Club. He focuses on interventional cardiology and structural heart treatments.

• Completed specialized training in TAVI and MitraClip heart valve procedures.
• Expert in renal denervation for treating high blood pressure.
• Practices at Memorial Göztepe Hospital, a modern facility with hybrid operating rooms.
• Member of the Turkish Society of Cardiology and the Turkish Medical Chamber.

Dr. Ahmet Ekmekci is a cardiology specialist at Memorial Göztepe Hospital in Istanbul. He achieved the title of Associate Professor of Cardiology in 2014. Dr. Ekmekci holds Gold Membership in the European Heart Failure Association. He treats a wide range of cardiovascular conditions and heart failure cases.

• Member of the European Society of Cardiology.
• Former Board Member of the Turkish Society of Cardiology Heart Failure Working Group.
• Served as Chief Assistant in Cardiology at Dr. Siyami Ersek Hospital.
• Works at Memorial Göztepe, an eco-friendly facility with 3 Tesla MRI technology.

Dr. Berrak Beyoglu Oruc is an obstetrician, gynecologist, and IVF specialist at Memorial Göztepe Hospital. She won first prize for her research on transperineal ultrasonography at a national perinatology congress. Dr. Oruc is a European certified minimal invasive gynecological surgeon. She also completed clinical research at Bologna University in Italy.

• Holds a women’s health and menopause certification from Harvard Medical School.
• Completed specialized robotic surgery and gynecologic oncology training through ESGO.
• Certified in assisted reproductive technologies (ART) and second-trimester ultrasound.
• Is a member of the International Society of Ultrasound in Obstetrics and Gynecology.

Dr. Isik Okuyan is a gynecologist specializing in obstetrics and endoscopy at Memorial Göztepe Hospital. He holds a GESEA Level 1 Gynecological Endoscopy Certificate from Marseille, France. Dr. Okuyan presented research on endoscopic techniques at the 33rd ESGE Congress.

• Member of the European Society for Gynaecological Endoscopy (ESGE).
• Performs gynecological diagnostics and surgical procedures in Istanbul.
• Participates in the ISON Neuropelveology and Endometriosis annual meetings.
• Works at Memorial Göztepe Hospital, a facility with 19 modern operating rooms.

Dr. Basak Sargin is a gynecologist at Memorial Göztepe Hospital in Istanbul. She specializes in minimally invasive surgery and reproductive medicine. Dr. Sargin holds FMAS and DMAS certifications in laparoscopic surgery. She is currently a PhD candidate in Biomedical Engineering at Koç University.

• Completed a fellowship in advanced gynecologic surgery at Pius University in Germany.
• Received ART training for assisted reproductive technologies at the American Hospital.
• Certified in robotic surgery and laser stimulation for women's health.
• Member of the International Society of Gynecology and Obstetrics.

Dr. Bedrettin Yildizeli is a Professor of Thoracic Surgery at Memorial Ataşehir Hospital in Istanbul. He specializes in lung transplantation and complex pulmonary surgeries. He served as the Chair of Thoracic Surgery at Marmara University for six years. Dr. Yildizeli completed specialized clinical training at top-tier centers in Paris, Toronto, and San Diego.

• Held international fellowships at Toronto General Hospital and UC San Diego.
• Expert in pulmonary endarterectomy (PEA) for chronic pulmonary hypertension.
• Published research on 25-year outcomes for T4 non–small cell lung cancer surgery.
• Practices at JCI-accredited Memorial Ataşehir Hospital in Turkey.

Dr. Haluk Caglar Karakaya is a cardiovascular surgeon at Memorial Göztepe Hospital in Istanbul. He manages complex heart and vascular conditions using robotic and minimally invasive techniques. Dr. Karakaya earned his medical degree from the prestigious Hacettepe University English program. He completed his residency at Dr. Siyami Ersek Hospital, a major Turkish thoracic center.

• Member of the European Society for Cardiothoracic Surgery.
• Maintains membership in the European Society for Vascular Surgery.
• Completed specialized training in endovascular surgery and Doppler ultrasonography.
• Works at a facility equipped with da Vinci XI robotic surgery systems.

Dr. Ertan Emek is a transplant and general surgeon at Valued Med Hub Hospitals in Istanbul. He specializes in both living and deceased donor organ transplants. Dr. Emek graduated from the Istanbul University Faculty of Medicine. He treats complex conditions like liver hemangiomas and pancreatic cysts.

• Performs liver and kidney transplantations for adult and pediatric patients.
• Focuses on liver, bile duct, and pancreatic surgery.
• Performs minimally invasive oncological procedures.
• Works at a clinic holding an International Health Tourism Authorization Certificate.

Dr. Safak Sayar is an orthopedist at Valued Med Hub Hospitals in Istanbul. He specializes in knee and hip arthroscopy and trauma surgery. Dr. Sayar completed his medical degree at Istanbul Science University. He earned his specialty training at Bezmialem Vakif University. His research includes co-authoring studies on traumatic shoulder dislocation.

• Performs knee and hip replacements and meniscus tear repairs.
• Treats sports injuries including anterior cruciate ligament reconstruction.
• Maintains a clinical focus on orthopedic trauma and arthroplasty.
• Works at a center holding a Turkish government health tourism certificate.

Op. Dr. Şükrü Arslan is a General Surgeon. He received his M.D. from Istanbul University Cerrahpaşa in 2005. He completed his General Surgery residency at Atatürk University between 2006 and 2011. He served as an Assistant Professor of General Surgery at Atatürk University from 2013 to 2017. He also worked with the Atatürk University Organ Transplantation Center.

His practice covers gastrointestinal, hepatobiliary, endocrine, hernia, and abdominal surgery. He focuses on minimally invasive and laparoscopic techniques and organ transplantation. He has worked in public hospitals and leading private hospitals across the Marmara Region. He has been a General Surgeon at NPİSTANBUL Brain Hospital since May 2026. He speaks English.

Dr. Nihal Ozaras is a specialist in neurological and pediatric rehabilitation at NP Istanbul Brain Hospital. She completed clinical training as an observer physician at Harvard University Spaulding Rehabilitation Hospital. Dr. Ozaras holds a master’s degree in neuroscience to support her medical practice. She focuses on cerebral palsy, stroke recovery, and musculoskeletal disorders.

• Specializes in botulinum toxin applications for spasticity and local injections.
• Treats children with cerebral palsy and provides orthopedic rehabilitation.
• Works at NP Istanbul Brain Hospital, the second-ranked brain hospital in Europe.
• Practices at a JCI-accredited facility certified for safety and quality.

Dr. Mehmet Baltali is a cardiologist at NP Istanbul Brain Hospital. He specializes in heart check-ups and hypertension management. He earned his medical degree from Gazi University and completed his specialty training there. Dr. Baltali works at a JCI-accredited facility ranked as the second-best brain hospital in Europe.

• Expertise includes family and relationship therapies alongside cardiovascular care.
• Maintains a research focus with articles published in both local and international journals.
• Trained in cognitive psychotherapy and family therapy techniques.
• Supports personalized medicine through genotyping and drug monitoring at NP Istanbul.

Dr. Okay Abaci is an interventional cardiologist at Valued Med Hub Hospitals in Istanbul. He specializes in heart valve diseases, hypertension, and heart failure. Dr. Abaci focuses on peripheral artery conditions and leg vascular diseases. He treats patients at a facility authorized by the Turkish government for international health tourism.

• Performs elective angiography and diagnostic heart procedures.
• Published research in The American Journal of Cardiology.
• Studied the impact of rosuvastatin on kidney health during vascular imaging.
• Practices at a clinic accredited by the Turkish Medical Association.

Dr. Hazel Çagin Kuzey is an obstetrician-gynecologist at Valued Med Hub Hospitals in Istanbul. She specializes in infertility treatment, pregnancy follow-up, and laparoscopic gynecological surgery. Dr. Kuzey holds a special certification in In Vitro Fertilization (IVF). She treats conditions like ovarian cysts, endometriosis, and leiomyomas using surgical and laser techniques.

• Performs genital aesthetic operations and laser applications.
• Expert in hysteroscopy and laparoscopic surgery for endometriosis.
• Authored research on ectopic pregnancy treatments published in Fertility and Sterility.
• Works at a clinic holding the International Health Tourism Authorization Certificate.