Diagnostics Doctors Abroad — Page 5

Dr Gulumser Kiziltas Tokmak is a neurology specialist at Hisar Hospital Intercontinental with a Master's degree in electrophysiology.

• Specialises in diagnostic testing including EEG to monitor brain activity
• Performs EMG to assess health of muscles and nerve cells
• Conducts PSG sleep studies to diagnose various sleep disorders
• Focuses on diagnosing dementia, chronic headaches, and vertigo
• Trained at the prestigious Istanbul University Cerrahpasa school of medicine

Assoc. Prof. Dr. Servet İğrek is an Orthopaedics and Traumatology specialist trained at Marmara University. He practices at Diyarbakır Selahaddin Eyyubi State Hospital and Kartal Dr. Lütfi Kırdar City Hospital.

He focuses on sports injuries and arthroscopic surgery. He has extensive experience in knee, shoulder, hip and ankle arthroscopy; ligament and meniscus surgery; shoulder instability; cartilage injuries; arthroplasty; and orthopaedic trauma.

He completed a SECEC & ESSKA‑approved Sports Surgery Fellowship Program. He has authored or co‑authored many peer‑reviewed publications, book chapters and congress presentations. He teaches in national and international arthroscopy training programs. He is an active member of the Turkish Orthopaedics and Traumatology Association, TUSYAD, the Turkish Shoulder and Elbow Surgery Association, the Hip and Knee Arthroplasty Association, and SICOT.

Dr Karli has performed over 1,000 operations and holds specialised certifications in endoscopy at Hisar Hospital Intercontinental.

• Performs diagnostic laparoscopy to examine abdominal organs with small incisions
• Certified in gastroscopy and colonoscopy for internal digestive tract screening
• Background includes specialist training at Sadi Konuk Training and Research Hospital
• Expertise in breast disease screening and benign anorectal conditions

Dr Ali Osman Koyuncuoglu is a fertility and reproductive specialist at Memorial Bahçelievler Hospital. He has completed intensive international training in robotic and laparoscopic surgical diagnostics.

• Specialises in reproductive endocrinology and infertility diagnostics
• Trained in robotic surgery at Acibadem University
• Completed laparoscopic surgery training at IRCAD Strasbourg in France
• Member of the European Society of Human Reproduction and Embryology
• Gained clinical experience at the Brussels IVF Centre

Professor Soybir is a distinguished surgical specialist at Memorial Şişli Hospital and the former Head of General Surgery at Namık Kemal University.

• Specialises in precise breast and thyroid diagnostics
• Expertise in identifying endocrine and mammary conditions
• Former Assistant Director at the Haseki Hospital surgical clinic
• Trained at the prestigious Istanbul University Cerrahpaşa Medical Faculty
• Focused on thyroid health and breast cancer screening

Prof. Dr. Şule Karadayı is a Professor and Thoracic Surgery Specialist. She earned her MD from Ankara University in 1999 and completed her residency in 2004. Her international training includes an observership with Prof. Ramon Rami Porta in Barcelona in 2005. She received an ESTS Travel Fellowship in Vienna in 2009. She joined the Mevlana Exchange Program in Azerbaijan in 2015. She scored 76.25 on the ÜDS English exam in 2006. She is a member of the European Society of Thoracic Surgeons and several Turkish thoracic societies.

Her clinical focus includes lung cancer surgery. She performs Da Vinci robotic and VATS/minimally invasive thoracic procedures. She treats pulmonary nodules and masses. She also performs mediastinal, pleural, and chest wall (pectus) surgery. She offers interventional bronchoscopy, including endobronchial valve therapy for advanced emphysema and COPD. She serves as an assistant principal investigator on projects in wound healing and mediastinal lymph node evaluation. As of 2026, she sees patients at Hisar Hospital Intercontinental.

Dr. Zinar Serhanoglu practices obstetrics, gynecology, and urogynecology. He provides prenatal care and pregnancy follow-up. He manages high-risk conditions such as preeclampsia and gestational diabetes. He performs vaginal and cesarean deliveries.

He specializes in minimally invasive surgery. He uses laparoscopy and V-NOTES for hysterectomy and for treating uterine disorders, ovarian cysts, fibroids, and ectopic pregnancy.

He treats stress urinary incontinence and pelvic organ prolapse. He provides long-term management of PCOS and endometriosis. He offers tubal ligation via laparoscopy or V-NOTES. He performs hysteroscopic treatment of uterine polyps and septum. He also provides perimenopausal and menopausal care, including bioidentical hormone therapy.

Dr Serkan Kitis is a specialist neurosurgeon at the JCI-accredited Memorial Şişli Hospital in Istanbul. He brings a deep academic background in brain and nerve diagnostics from his tenure at Bezmialem Vakif University.

• Specialises in identifying complex neurological and spinal conditions
• Held a long-term post at Bezmialem University Faculty of Medicine
• Expertise in surgical and non-surgical diagnostic pathways
• Trained at the prestigious Istanbul University Cerrahpasa Faculty of Medicine

Dr Yasemin Ongun is a head and neck specialist at Hisar Hospital Intercontinental with intensive training from Hacettepe University. She focuses on diagnosing and treating complex airway, sinus, and hearing conditions.

• Specialises in endoscopic sinus surgery to treat chronic blockages and polyps
• Performs microlaryngeal surgery to diagnose and treat vocal cord disorders
• Manages paediatric conditions including tonsils, adenoids, and ear tube placements
• Treats sleep-disordered breathing through snoring and sleep apnea interventions
• Expertise in managing allergies and salivary gland diseases

Assoc. Prof. Dr. Heves Sürmeli is a specialist in Internal Medicine and Medical Oncology. She received her medical degree (M.D.) from Eskişehir Osmangazi University in 2004. She completed her Internal Medicine residency at Kartal Dr. Lütfi Kırdar Training and Research Hospital, Istanbul (2005–2010). She then completed subspecialty training in Medical Oncology at the same hospital (2014–2017).

At the same center, she served as a Medical Oncology Specialist (2017–2023). She then worked as Administrative and Clinical Director (2023–2026). Her clinical interests include breast, lung, gynecologic, gastrointestinal, and urologic cancers.

She has published many articles in international peer‑reviewed journals. She has presented at national and international conferences. She is active in professional societies. She has received several awards.

Dr Cemile Dilek Uysal graduated with honours from Akdeniz University and now leads the dermatology department at Hisar Hospital Intercontinental.

• Specialises in precise diagnosis of complex skin conditions
• Manages bacterial, viral, and parasitic infections including scabies
• Expert in identifying various forms of eczema and psoriasis
• Focuses on chronic inflammatory conditions like urticaria and pruritus
• Highly skilled in the clinical assessment of hair and scalp diseases

Op. Dr. Yalçın İşcan is an ophthalmologist. He graduated from Istanbul University in 2005. He completed his ophthalmology residency at Bakırköy Dr. Sadi Konuk Training and Research Hospital in 2010. He has more than 15 years of specialist experience. He performed thousands of eye surgeries at Batman Regional Hospital between 2011 and 2015. He worked at Private Batman Dünya Hospital from 2015 to 2025.

At Dünya Hospital, he provided care in cataract surgery, corneal transplantation, refractive procedures (PRK, LASIK, SMILE, phakic IOL), strabismus, oculoplastics, lacrimal surgery, pterygium, and keratoconus treatments (CXL, ICRS). He helped develop the unit into a regional referral center. Since 2023, he has also practiced two days a week at Pendik Medical Park and Kudret Göz Istanbul. Since 2020, he has been active in R&D. He founded a technopark start-up and built an AI-based red-eye decision support system. He continues to develop ophthalmic software and devices. He has several publications.

Professor Nesrin Sariman is a bronchoscopy specialist and sleep physician at Hisar Hospital Intercontinental with expertise in diagnosing complex lung conditions.

• Specialises in sleep disorders including obstructive sleep apnea syndrome
• Expert in bronchoscopy – uses a thin tube with a camera to examine lungs without major surgery
• Led international clinical research into asthma and obstructive lung diseases
• Completed additional training in functional medicine and phytotherapy for holistic patient assessment

Professor Tutar is the former Head of Paediatric Gastroenterology at Marmara University. He provides expert diagnostic insights for children facing complex digestive and nutritional issues at Hisar Hospital Intercontinental.

• Specialises in diagnostic upper and lower gastrointestinal endoscopy to identify digestive tract issues
• Performs therapeutic endoscopy for oesophageal variceal bleeding and polypectomy to remove growths
• Expert in identifying celiac disease and inflammatory bowel disease in paediatric patients
• Manages liver, gallbladder, and pancreatic disorders using targeted diagnostic protocols

Professor Serhat Seyhan leads the Genetic Disorders Evaluation Centre at Memorial Şişli Hospital and is a recognised authority in medical genetics.

• Served as Chair of the Department of Medical Genetics at Istanbul Medipol University
• Completed a scholar programme at the University of Miami in the USA
• Specialises in identifying complex hereditary conditions and genetic predispositions
• Managed multiple genetic diagnostic centres as Head Physician to ensure testing accuracy

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.