Best Doctors in Istanbul

Dr. Seniz Ustundag is a certified orthodontics specialist at the JCI-accredited Hisar Hospital Intercontinental. She earned her doctorate from Marmara University with a focus on temporomandibular disorders. Dr. Ustundag treats complex dental alignment issues in children, teens, and adults.

• Performs orthodontic preparation for patients undergoing orthognathic surgery.
• Uses clear aligner systems including Invisalign First, Teen, and MA.
• Specially trained in lingual therapy and Roth techniques.
• Treats congenital conditions such as cleft lip and palate.

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. Nihal Durmus Kocaaslan is a plastic surgeon at Lokman Hekim Istanbul Hospital. She is a Fellow of the American College of Surgeons (FACS). Dr. Kocaaslan holds both national and European board certifications (EBOPRAS). She treats congenital anomalies and performs complex breast and jaw reconstructions.

• Earned a PhD in Forensic Medicine and serves as a Ministry of Justice expert.
• Completed microsurgery training at RWTH Aachen and cleft care at Seattle Children’s.
• Specializes in orthognathic surgery and maxillofacial procedures.
• Maintains active membership in ISAPS and the AO Craniofacial Surgery Foundation.

Dr. Ilknur Erenler Bayraktar is a general surgeon at Memorial Şişli Hospital in Istanbul. She focuses on colorectal surgery, gastrointestinal oncology, and laparoscopic techniques. Dr. Bayraktar earned her medical degree and residency at Istanbul University Cerrahpaşa. She practiced at the Cleveland Clinic Digestive Disease Institute in the USA.

• Holds European Board of Coloproctology (EBSQ-C) specialist certification.
• Completed clinical training at Klinikum rechts der Isar in Germany.
• Specializes in minimally invasive and robotic surgical methods.
• Member of the European Society of Coloproctology and the European Surgical Society of Oncology.

Dr. Cemile Dilek Uysal is a dermatologist at Hisar Hospital Intercontinental in Istanbul. She graduated with honors from Akdeniz University. Dr. Uysal treats various skin conditions, including acne, eczema, and psoriasis. She also manages parasitic diseases such as scabies and hair disorders like alopecia.

• Specializes in medication therapy for acne and viral or bacterial skin diseases.
• Treats fungal infections and complex cases of chronic pruritus or itching.
• Works at Hisar Hospital, a JCI-accredited facility meeting high safety standards.
• Provides care at a center serving over 500,000 international patients annually.

Dr. Hakan Hanimoglu is a neurosurgeon at Memorial Şişli Hospital in Istanbul. He specializes in brain and nerve surgery across major Turkish medical institutions. Dr. Hanimoglu works within a surgical department known for robotic and genetics-based procedures. He practices at the first hospital in Turkey to earn JCI accreditation for safety.

• Serves as a neurosurgery specialist at Memorial Atasehir Hospital.
• Holds a clinical role at Istanbul Biruni University.
• Practiced at Istanbul University Cerrahpaşa Medical Faculty.
• Treats patients at a facility with a 90% organ transplant success rate.

The doctor is a highly experienced Nuclear Medicine Specialist with over two decades of clinical practice. Since 2003, the doctor has been providing specialized care at Memorial Ankara Hospital. Prior to this, the doctor served as a Nuclear Medicine Specialist at B. Erzincan State Hospital in 2003.

The doctor's medical career began in 1994, serving as a General Practitioner at Samsun Havza Seyhler Health Center. With a comprehensive background spanning general medicine and specialized nuclear diagnostic services, the doctor brings extensive expertise to the field of medical imaging and therapeutic nuclear medicine.

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.

The doctor is an experienced Associate Professor of General Surgery with a distinguished career spanning over a decade in leading medical institutions. Currently practicing at Memorial Şişli Hospital, the doctor has held significant academic and clinical positions at Istanbul Florence Nightingale Hospital, Science University, and Acibadem University Atakent Hospital.

With a strong background in general surgery, the doctor has progressed from a specialist role to an Associate Professor, demonstrating a commitment to clinical excellence and medical education. The doctor's career reflects extensive experience in high-volume hospital settings, focusing on surgical patient care and professional development within the field of general surgery.

The doctor is a highly experienced Ear, Nose, and Throat (ENT) specialist with an extensive clinical background in major medical institutions. Currently practicing at Memorial Sisli Hospital, the doctor has previously served at Service Hospital and Bakırköy Dr. Sadi Konuk Training and Research Hospital, accumulating years of expertise in diagnosing and treating complex ENT conditions.

In addition to domestic clinical experience, the doctor completed an observership at the University of Arkansas for Medical Sciences in the United States, gaining international exposure to advanced ENT practices and surgical techniques. The doctor maintains a strong focus on clinical excellence and evidence-based patient care within the field of otolaryngology.

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.

Specialist Dr. Nurana Güller earned her medical degree and completed nephrology training at the Cerrahpaşa (Çapa) Faculty of Medicine, Istanbul University, a major academic center in Türkiye. She trained in a high-volume tertiary referral center. She contributed to multidisciplinary care for acute and chronic kidney diseases.

Her practice focuses on early CKD detection. She aims to slow progression and prevent complications. She has extensive experience in AKI management. She provides stage-specific treatment and long-term follow-up for chronic kidney failure. Her interests include hypertension, diabetic nephropathy, glomerulonephritis, UTIs, proteinuria, kidney stones, cystic diseases, dialysis, and transplantation.

Dr. Güller practices at İAÜ Medical Park. She follows evidence-based, ethical, and patient-safety principles.

Dr. Yasemin Ongun is an ENT and Head & Neck Surgery specialist at Hisar Hospital Intercontinental. She focuses on rhinoplasty, endoscopic sinus surgery, and pediatric procedures. Dr. Ongun completed specialized training in Otology-Neurotology and Audiology at Hacettepe University. She serves at a JCI-accredited medical center in Istanbul.

• Performs endoscopic endonasal dacryocystorhinostomy for tear duct obstructions.
• Treat pediatric conditions including tonsil, adenoid, and ear tube surgeries.
• Specializes in snoring and sleep apnea surgical treatments.
• Former deputy chief physician with years of experience in private healthcare.

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. Mahir Mahirogullari is an orthopedic surgeon at Memorial Şişli Hospital in Istanbul. He completed a fellowship in orthopedics and traumatology at Wake Forest University in the USA. Dr. Mahirogullari specializes in treating complex musculoskeletal injuries and joint conditions like arthrosis.

• Earned the Turkish Association of Orthopedics and Traumatology Best Verbal Declaration Award.
• Winner of multiple professional honors, including the Derviş Manizade and Altındağ Branch prizes.
• Member of the International Society of Arthroscopy Knee Surgery and Orthopaedic Sport Medicine.
• Works at Memorial Şişli, the first hospital in Turkey to receive JCI accreditation.

Dr. Sertac Demirel is a general surgery specialist at Memorial Şişli Hospital in Istanbul. He focused on surgical care and oncology for over three decades. Dr. Demirel treats patients at a premier multidisciplinary medical center in Turkey.

• Serves as a General Surgery Specialist at the JCI-accredited Memorial Şişli Hospital.
• Former Assistant Head Physician at Memorial Hizmet Hospital.
• Expertise covers complex surgical interventions and oncological cases.
• Works at a facility with a 90% success rate in organ transplantation.