Mehmet Osman Akcakaya
Top Doctor
20
years of experience
Mehmet Osman Akcakaya
- Leading doctor for Gamma Knife
- Specialization: Neurosurgeon
- 20 years of experience
- Speaks:German, English, Turkish
- Online consultations: available
- Workplace: Turkey, Istanbul, Istanbul Florence Nightingale Hospital
- Prof. Dr. Mehmet Osman Akçakaya is a world-renowned neurosurgeon with elite training in Germany (Hannover) and Israel (Tel Aviv). A professor at Florence Nightingale Hospitals, he specializes in minimally invasive spine/brain surgery and nerve reconstruction. Award-winning researcher (EANS Board Certified, Best Oral Presentation), he leads international courses, ensuring patients receive cutting-edge, precision care. 15+ years’ expertise.
Dr. Mehmet Osman Akcakaya is a professor of neurosurgery at Istanbul Florence Nightingale Hospital. He specializes in minimally invasive spine and brain surgery. He completed elite clinical fellowships in Germany and Israel. Dr. Akcakaya holds the European Board of Neurosurgery (EANS) certification.
- Performs deep brain stimulation (DBS) for Parkinson’s disease and functional disorders.
- Expert in microneurosurgery for brain tumors, cysts, and nerve reconstruction.
- Winner of the Second Prize for Best Oral Presentation from the Nervous System Surgery Society.
- Serves on the scientific committee for international endoscopic spine surgery courses.
Online consultation with Mehmet Osman Akcakaya
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Excellent score
10 patient verified reviews
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About clinic Istanbul Florence Nightingale Hospital
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Learn more about reviews.1-5 of 10 reviews
Anonymous • Gamma Knife
Bulgaria
Sep 11, 2025
Благодарим на лекарите, които поеха нашия случай, тъй като беше доста сложен
Имахме доста сериозно образование АВМ за което намерихме лечението в клиниката. Тъй като резултатът изисква време, все още не можем да преценим дали е било успешно лечението, но за сега всичко ни хареса. Надяваме се, че ще получим позитивен финален резултат без сериозни странични ефекти. Ще проследяваме състоянието след лечението в клиниката. Благодарим на лекарите, които поеха нашия случай, тъй като беше доста сложен, а също и на Алишер, който помогна с организацията на лечението.
Отношението на докторите
Медицински персонал, освоен докторите не иска много да говори на английски.
Anonymous • Gamma Knife
Ukraine
Feb 12, 2026
Iryna Gumenchuk • Brain tumor removal
United States of America
Jul 16, 2025
We felt fully confident knowing we were in the hands of one of the best in his field
World-Class Neurosurgical Care and Compassion
We are profoundly grateful for the exceptional care provided by Professor Ilhan Elmaci. His expertise, professionalism, and compassionate approach were evident from our very first meeting. Professor Elmaci performed the surgery to remove a medulloblastoma with extraordinary precision and care, and we felt fully confident knowing we were in the hands of one of the best in his field. Beyond his remarkable surgical skill, Professor Elmaci took the time to explain each step of the process with clarity and patience. He was always available to answer questions and offer reassurance, treating both the patient and our family with deep empathy and respect.
A heartfelt thank you to Coordinator Alisher, who supported us at every step. He was always responsive, attentive, and truly dedicated to the patient’s well-being. From organizing the transfer and handling all special requirements to keeping the family updated and arranging medical needs, he made a difficult time much more manageable.
The hospital staff was professional, kind, and caring throughout. We deeply appreciate the high level of expertise and personal attention that made all the difference in this journey.
About Bookimed service
⸻
Excellent Support and Coordination by Bookimed
We are very thankful to Bookimed for their outstanding support in organizing the entire process of surgery and treatment. From the very beginning, their team was professional, responsive, and truly dedicated to helping us find the best medical care possible.
They guided us through every step — from selecting the right hospital and specialist to arranging the logistics of travel, appointments, and treatment. Thanks to Bookimed, we were connected with Professor Ilhan Elmaci, an exceptional neurosurgeon, and received world-class care.
A special thanks to Coordinator Alisher, who was with us every step of the way. He handled all the details, ensured smooth communication between the hospital and our family, and made sure the patient’s needs were fully met. His commitment, compassion, and constant availability gave us comfort and confidence throughout this challenging time.
We highly recommend Bookimed to anyone seeking reliable, efficient, and compassionate medical coordination. They truly made a difference in our experience.
Anonymous • Consultation with a neurosurgeon
Uzbekistan
Dec 16, 2024
They brought our boy back to life
From the bottom of our hearts we would like to express our gratitude to our doctor Ilhan Elmachi and his whole team. We are from Uzbekistan and when we were diagnosed with arteriovenous malformation we realised that this is the most complicated pathology of brain neurosurgery. Our boy is only 17 years old and therefore it is understandable what grief fell on us. But thanks to the clinic manager Florence Alisher, we came across our respected doctor. The operation lasted 17 hours. Two days later our boy was already in the ward. 15 days later we were home. Our boy is healthy Ilhan Elmachi is a high professional. THANK YOU for the sensitive and caring attitude to us doctor and his team and nurses They brought our boy back to life. Such people are like stars in the desert gave us hope. All health and success in science. May Allah protect you.
Mary Ndwiga • Pituitary adenoma
Kenya
Oct 11, 2024
We would strongly recommend this team to any foreigner visiting Turkey for treatment
I landed on Bookimed while searching for further treatment.. One Dr.Hilal got in touch with me and guided me through the different options available to us. We eventually settled on Florence nightingale hospital and immediately got in touch with Alişer, who walked with us through our preparation and arrival in Turkey as well as the hospital visits. He was kind enough to guide us on what was expected and was always available even at odd hours . The doctors at the Hosp led by Prof Elle and Prof Yusef, treated us with utmost professionalism. They calmly guided us through the process and made us understand what we are dealing with. They were not quick to rush into any interventions.. we felt very safe in their hands. A special thanks to Simaza our interpreter, you are a wonderful human being. Blessings lady. To The Professors, all medical professionals at the hospital, we are grateful. Hilal, Alişer and Simaza you the best. We would strongly recommend this team to any foreigner visiting Turkey for treatment..
we were happy! Blessings
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Doctor's services
- Brain tumor removal
- Deep brain stimulation (DBS) surgery
- Vagus nerve stimulation
- Radiosurgery of a brain tumor
- Surgical treatment of epilepsy
- Gamma Knife
- Gamma Knife for brain tumor
- MRI of one area
- CT (computer tomography)
- Brain MRI
- Online Consultation with Neurosurgeon
- Brain biopsy
- Brain MRI with contrast (FLAIR sequence)
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Qualifications
Mehmet Osman Akcakaya is a neurosurgeon at Istanbul Florence Nightingale Hospital. He specializes in microneurosurgery and functional neurosurgery for brain tumors, Parkinson’s disease, and spinal disorders. The doctor completed fellowships at Hannover Medical School and Tel Aviv University.
Specialization and Surgical Focus
Dr. Akcakaya treats conditions of the nervous system and spine. He uses documented methods for minimally invasive spine and brain surgery. These methods shorten recovery times and protect healthy tissue. His clinical focus includes:
- Parkinson’s disease and movement disorders
- Brain tumors and cysts
- Peripheral nerve reconstruction and brachial plexus microsurgery — surgical repair of the network of nerves that sends signals from the spinal cord to the shoulder, arm, and hand
- Head trauma and spinal disorders
- Epilepsy surgery
Academic and Professional Roles
Dr. Akcakaya is a Professor at Florence Nightingale Hospitals. He is also affiliated with the Demiroglu Bilim University Medical Faculty.
- 2025 – Present: Professor, Florence Nightingale Hospitals, Istanbul
- 2019 – 2025: Associate Professor, Florence Nightingale Hospitals, Istanbul
- 2017 – 2019: Associate Professor, Liv Hospital Ulus, Istanbul
- 2016 – 2017: Assistant Professor, Liv Hospital Ulus, Istanbul
- 2015 – 2016: Attending Neurosurgeon, Liv Hospital Ulus, Istanbul
- 2013 – 2015: Attending Neurosurgeon, GOP Taksim Training and Research Hospital
Education and Advanced Fellowships
The physician completed training in neurosurgery and clinical anatomy. He gained international experience through fellowships in Germany and Israel.
- 2017 – 2018: Clinical Fellowship in Stereotactic and Functional Neurosurgery, Hannover Medical School, Germany
- 2010: Clinical Fellowship in Peripheral Nerve and Brachial Plexus Microsurgery, Tel Aviv Sourasky Medical Center, Israel
- 2006 – 2012: Residency in Neurosurgery, Istanbul University, Istanbul School of Medicine
- 2005 – 2006: Residency in Anatomy, Istanbul University, Cerrahpasa School of Medicine
- 1999 – 2005: Medical Degree, Istanbul University, Istanbul School of Medicine
Awards and Certifications
Dr. Akcakaya is EANS Board Certified, which indicates he met the European standard for neurosurgical training. He has been recognized for his contributions to surgical research.
- Second Prize, Best Oral Presentation, Nervous System Surgery Society Congress
- Completed 4-Year EANS Educational Program
- European Board of Neurosurgery (EANS) Written Exam Certificate, Leeds, UK
- Advanced Clinical Practice Certification, Nice, France
Professional Memberships
The doctor helps establish standards for surgical training. He also serves on scientific committees for international endoscopic spine surgery courses.
- European Association of Neurosurgical Societies (EANS)
- Turkish Association of Neurosurgery
- Scientific Committee Member, International Courses on Endoscopic Lumbar Spine Surgery
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