“I came to Istanbul with the assistance of Vaidam Health after being diagnosed with Scoliosis. I absolutely recommend their services to others.”

DR. ZAFER ORKUN TOKTAŞ
Neurosurgeon
- DR. ZAFER ORKUN TOKTAŞ is a reputable neurologist and has an experience of more than 17 years.
- Most of this work is devoted to enhancing the fitness of populations via the development of new strategies and strategies with the intention to help do away with certain health disorders.
- He has expertise in Glioma, Spinal surgery, Herniated disc, Neck hernia, Cerebral hemorrhage, Head injuries, Spinal surgery, and Hydrocephalus.
- In 2014, Assoc. Dr. Zafer Orkun Toktaş performed scientific studies on spinal cord tumors at Harvard University.
- He has many scientific publications in both International as well as national journals.
- He has a medical membership association with Turkish Neurosurgery Association, Turkish Neurosurgical Society Spinal & Peripheral Nerve Surgery Group, Turkish Spine Association, North American Spine Society, and Nervous System Surgery Association.
- His research interest lies in neurodegenerative diseases.
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- DR. ZAFER ORKUN TOKTAŞ is a reputable neurologist and has an experience of more than 17 years.
- Most of this work is devoted to enhancing the fitness of populations via the development of new strategies and strategies with the intention to help do away with certain health disorders.
- He has expertise in Glioma, Spinal surgery, Herniated disc, Neck hernia, Cerebral hemorrhage, Head injuries, Spinal surgery, and Hydrocephalus.
- In 2014, Assoc. Dr. Zafer Orkun Toktaş performed scientific studies on spinal cord tumors at Harvard University.
- He has many scientific publications in both International as well as national journals.
- He has a medical membership association with Turkish Neurosurgery Association, Turkish Neurosurgical Society Spinal & Peripheral Nerve Surgery Group, Turkish Spine Association, North American Spine Society, and Nervous System Surgery Association.
- His research interest lies in neurodegenerative diseases.

- Dr. Selman DOĞAN is a renowned Orthopedist at Hisar Intercontinental Hospital, Istanbul.
- He has several years of experience in treating and managing skeletal deformities.
- Prior to working with Hisar Intercontinental Hospital, he has been associated with several medical institutions in the past.
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- Dr. Selman DOĞAN is a renowned Orthopedist at Hisar Intercontinental Hospital, Istanbul.
- He has several years of experience in treating and managing skeletal deformities.
- Prior to working with Hisar Intercontinental Hospital, he has been associated with several medical institutions in the past.

Dr. John Tokmak
Neurosurgeon
- Dr. John Tokmak is a highly skilled and prominent Neurosurgeon with 21+ years of experience.
- He completed his graduation from the Ministry of Health Istanbul Okmeydani Education Research Hospital, in 2001.
- Dr. John Tokmak specializes in the surgical treatment of neurological disorders and has operated on a large number of diseases.
- He is a proud member of the Turkish Neuroir Association, Turkish Medical Association, and Turkish Neuroirurgy Association Spinal And Periferic Nerve Group.
- Dr. John Tokmak performs several popular procedures including Deep Brain Stimulation, Brain Tumour Treatment, Craniotomy, and many more.
- He is well trained to handle even the most complex cases with minimal invasion and the highest safety.
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- Dr. John Tokmak is a highly skilled and prominent Neurosurgeon with 21+ years of experience.
- He completed his graduation from the Ministry of Health Istanbul Okmeydani Education Research Hospital, in 2001.
- Dr. John Tokmak specializes in the surgical treatment of neurological disorders and has operated on a large number of diseases.
- He is a proud member of the Turkish Neuroir Association, Turkish Medical Association, and Turkish Neuroirurgy Association Spinal And Periferic Nerve Group.
- Dr. John Tokmak performs several popular procedures including Deep Brain Stimulation, Brain Tumour Treatment, Craniotomy, and many more.
- He is well trained to handle even the most complex cases with minimal invasion and the highest safety.

Prof. Dr. Nejat Akalan
Neurosurgeon
- Prof. Dr. Nejat Akalan is a neurosurgeon with more than 31 years of experience.
- He is a leading neurosurgeon for general neurosurgery and epilepsy operation in children.
- Dr. Akalan has expertise in treating glioma, epilepsy, movement disorders, skull injuries, nervous disorders, spine tumors, herniation, and other brain and spine problems.
- Dr. Akalan has published 117 scientific papers in international and national editions.
- He co-authors the book ‘Advances and Technical Standards in Neurosurgery.
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- Prof. Dr. Nejat Akalan is a neurosurgeon with more than 31 years of experience.
- He is a leading neurosurgeon for general neurosurgery and epilepsy operation in children.
- Dr. Akalan has expertise in treating glioma, epilepsy, movement disorders, skull injuries, nervous disorders, spine tumors, herniation, and other brain and spine problems.
- Dr. Akalan has published 117 scientific papers in international and national editions.
- He co-authors the book ‘Advances and Technical Standards in Neurosurgery.
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Dr. Cagatay Ozturk
Orthopaedic and Joint Replacement Surgeon
- In practise for more than 20 years, Dr. Cagatay Ozturk is a skilled Orthopaedic and Joint Replacement Surgeon.
- He performs surgeries for Osteochondrosis, Acute Myelitis, Hip Joint Replacement, Knee Joint Replacement, Scoliosis, Osteomyelitis, Rupture of the Meniscus, Ligament Rupture and Aseptic Necrosis of the Hip Joint.
- He is a member of the Turkish Medical Association, the North American Spine Society, the Minimally Invasive Spine Society, the Turkish Spine Society, and the Scoliosis Research Society.
- Dr. Cagatay Ozturk gained his MBBS (1997) from Hacettepe University.
- He did his specialization in Orthopedics and Traumatology (2004) at Uludag University.
- Dr. Cagatay Ozturk is the author of several publications and articles.
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- In practise for more than 20 years, Dr. Cagatay Ozturk is a skilled Orthopaedic and Joint Replacement Surgeon.
- He performs surgeries for Osteochondrosis, Acute Myelitis, Hip Joint Replacement, Knee Joint Replacement, Scoliosis, Osteomyelitis, Rupture of the Meniscus, Ligament Rupture and Aseptic Necrosis of the Hip Joint.
- He is a member of the Turkish Medical Association, the North American Spine Society, the Minimally Invasive Spine Society, the Turkish Spine Society, and the Scoliosis Research Society.
- Dr. Cagatay Ozturk gained his MBBS (1997) from Hacettepe University.
- He did his specialization in Orthopedics and Traumatology (2004) at Uludag University.
- Dr. Cagatay Ozturk is the author of several publications and articles.
- Dr. Burak Orhan is an eminent Neurosurgeon, practicing for more than 20 years.
- His area of expertise is Spine Surgery, Paediatric Surgery, and Brain and Spinal Cord Tumor Surgery.
- Dr. Burak completed his graduation from the Marmara University Faculty of Medicine in 1997. After this, he completed his specialized training in Neurosurgery at the same institute in 2002.
- He is also associated with organizations like the Turkish Society of Hematology, the Hematology Specialization Association, and the European Society of Hematology.
- He published research articles in well-reputed National and International journals.
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- Dr. Burak Orhan is an eminent Neurosurgeon, practicing for more than 20 years.
- His area of expertise is Spine Surgery, Paediatric Surgery, and Brain and Spinal Cord Tumor Surgery.
- Dr. Burak completed his graduation from the Marmara University Faculty of Medicine in 1997. After this, he completed his specialized training in Neurosurgery at the same institute in 2002.
- He is also associated with organizations like the Turkish Society of Hematology, the Hematology Specialization Association, and the European Society of Hematology.
- He published research articles in well-reputed National and International journals.

Dr. Ali Fahir Ozer
Neurosurgeon
- Dr. Ali Fahir Ozer is a renowned Neurosurgeon practicing successfully for more than 37 years.
- He is adept at performing Brain and Spine Surgery.
- His area of specialization covers biomechanics of the spine and dynamic stabilization of the spine.
- He has taken the patent of spinal products used in spinal surgery.
- He is a member of numerous prestigious associations that include Eurospine, North American Spine Society, AO Spine, Turkish Neurosurgical Society, International Society for the Advancement of Spine Surgery (ISAS), International Society for the Advancement of Spine Surgery–Turkey Chapter, Cervical Research Society (CRS), The International Society for Minimal Intervention in Spinal Surgery (ISMISS), and Middle East Spine Society (MESS) etc.
- The doctor has been involved in research and has authored or co‐authored over 200 papers and written 24 book chapters.
- He is also the editor of 7 books and a referee at Spine Journal, World Neurosurgery, Turkish Neurosurgery and Case Reports in Orthopaedics.
- He has completed Medical Doctor Training from Ataturk University, 1969-1976. Thereafter, he pursued Neurosurgery Specialist Training from Hacettepe University Department of Neurosurgery, 1977-1982.
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- Dr. Ali Fahir Ozer is a renowned Neurosurgeon practicing successfully for more than 37 years.
- He is adept at performing Brain and Spine Surgery.
- His area of specialization covers biomechanics of the spine and dynamic stabilization of the spine.
- He has taken the patent of spinal products used in spinal surgery.
- He is a member of numerous prestigious associations that include Eurospine, North American Spine Society, AO Spine, Turkish Neurosurgical Society, International Society for the Advancement of Spine Surgery (ISAS), International Society for the Advancement of Spine Surgery–Turkey Chapter, Cervical Research Society (CRS), The International Society for Minimal Intervention in Spinal Surgery (ISMISS), and Middle East Spine Society (MESS) etc.
- The doctor has been involved in research and has authored or co‐authored over 200 papers and written 24 book chapters.
- He is also the editor of 7 books and a referee at Spine Journal, World Neurosurgery, Turkish Neurosurgery and Case Reports in Orthopaedics.
- He has completed Medical Doctor Training from Ataturk University, 1969-1976. Thereafter, he pursued Neurosurgery Specialist Training from Hacettepe University Department of Neurosurgery, 1977-1982.

Dr. Saim Castle
Neurosurgeon
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Dr. Saim Castle is one of the eminent Neurosurgeons in Turkey with 33+ years in the field.
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He is highly experienced in treating various diseases and disorders of the nervous system such as Brain Tumor and Cancer, Spine and Brain Injury, Spondylolisthesis, Parkinson’s disease, etc.
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He graduated from Karadeniz Technical University Faculty of Medicine in 1989 and completed further education at SSK Okmeydani Education Hospital in 1998. Thereafter he gained working experience in multiple hospitals as a Neurosurgeon.
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He specializes in procedures of Brain cancer treatments, Microdiscectomy, Spinal Fusion, and many others.
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Mr. Castle performs surgery for dynamic neurological problems, syndromes, and birth defects from mild to severe. He operates with all medical protocols prioritizing patient safety.
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He serves the patient with a team of highly experienced physicians and is professional in handling even complicated cases with the highest precision.
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Dr. Saim Castle is one of the eminent Neurosurgeons in Turkey with 33+ years in the field.
He is highly experienced in treating various diseases and disorders of the nervous system such as Brain Tumor and Cancer, Spine and Brain Injury, Spondylolisthesis, Parkinson’s disease, etc.
He graduated from Karadeniz Technical University Faculty of Medicine in 1989 and completed further education at SSK Okmeydani Education Hospital in 1998. Thereafter he gained working experience in multiple hospitals as a Neurosurgeon.
He specializes in procedures of Brain cancer treatments, Microdiscectomy, Spinal Fusion, and many others.
Mr. Castle performs surgery for dynamic neurological problems, syndromes, and birth defects from mild to severe. He operates with all medical protocols prioritizing patient safety.
He serves the patient with a team of highly experienced physicians and is professional in handling even complicated cases with the highest precision.
-
Dr. Saim Castle is one of the eminent Neurosurgeons in Turkey with 33+ years in the field.
-
He is highly experienced in treating various diseases and disorders of the nervous system such as Brain Tumor and Cancer, Spine and Brain Injury, Spondylolisthesis, Parkinson’s disease, etc.
-
He graduated from Karadeniz Technical University Faculty of Medicine in 1989 and completed further education at SSK Okmeydani Education Hospital in 1998. Thereafter he gained working experience in multiple hospitals as a Neurosurgeon.
-
He specializes in procedures of Brain cancer treatments, Microdiscectomy, Spinal Fusion, and many others.
-
Mr. Castle performs surgery for dynamic neurological problems, syndromes, and birth defects from mild to severe. He operates with all medical protocols prioritizing patient safety.
-
He serves the patient with a team of highly experienced physicians and is professional in handling even complicated cases with the highest precision.
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