Best Brain MRI Doctors Abroad

Dr. Amos Toren is a pediatric hemato-oncologist at Sheba Medical Center. He served as Director of the Pediatric Hemato-Oncology and Bone Marrow Transplant Division. Dr. Toren holds a PhD in Human Genetics. He specializes in CAR T-cell therapy and bone marrow transplantation for children. Forbes Israel has recognized his expertise in hematology.

• Served as the Head of the Hematology Division at Tel Aviv University.
• Treats complex cases of leukemia, lymphoma, and rare pediatric cancers.
• Member of the American Society of Hematology and European Group for Blood and Marrow Transplantation.
• Collaborates on research with the NIH and St. Jude Children’s Research Hospital.

Chief physician and professor. Grade 1 Expert at the Cancer Center, West China Hospital, Sichuan University (ranked No. 2 in China). Completed a postdoctoral fellowship in interventional radiology at the Chinese PLA General Hospital. Leads multidisciplinary team (MDT) care for complex tumors. Expert in minimally invasive interventional oncology for liver, lung, and pancreatic cancers.

Accreditations: Council Member, WATA. Member of CACA and CMDA committees on intervention, ablation, radioactive seeds, and pain. In 2023, inaugural director member, Palliative Care Committee, Sichuan MDA. Editorial board member of the Chinese Journal of Interventional Imaging and Therapy. Editorial board member of the Chinese Journal of Pain Medicine.

Leads 2 provincial S&T projects and 2 NSFC projects. Has 40+ papers, with 30+ as first or corresponding author. Highest impact factor: 10.73. Hepatocellular carcinoma (HCC) cohort: TACE + lenvatinib vs TACE + sorafenib. OS 18.97 vs 10.77 months. PFS 10.6 vs 5.4 months. ORR 66.8% vs 33.3%.

Dr. Roberto Martínez Álvarez is the Head of Functional Neurosurgery and Radiosurgery at Ruber International Hospital. He specializes in Gamma Knife and CyberKnife treatments for brain tumors and vascular malformations. He serves on the Executive Council of the International Society of Stereotactic Radiosurgery.

• Winner of the National Medical Prize XXI in neurosurgery.
• Authored 180 scientific publications and three medical books.
• Treats complex conditions like Parkinson's disease, epilepsy, and obsessive-compulsive disorder.
• Practices at Ruber International, a JCI-accredited clinic ranked among the top 6 in Spain.

Dr. Ersoy Kocabicak is the Rector of Atlas University and a neurosurgeon in Istanbul. He is a founding board member of the International Deep Brain Stimulation Association. Dr. Kocabicak specializes in neuromodulation and treats conditions like Parkinson’s and essential tremor. He has authored 46 international peer-reviewed articles on functional neurosurgery.

• Serves on the functional group committee of the European Association of Neurosurgery.
• Treats Parkinson's disease, Alzheimer's, and complex movement disorders through brain stimulation.
• Performs stereotaxic surgeries and vagus nerve stimulation for epilepsy patients.
• Served as the chairman of the Turkish Neurosurgical Association’s functional surgery group.

Dr. Dogan Gucluhan Guclu is a neurosurgeon at VM Medical Park Florya in Istanbul. He has performed advanced brain and spine surgeries since 2003. Dr. Guclu treats both adult and pediatric patients for complex neurological conditions. He practices at a JCI-accredited university hospital with Center of Excellence status.

• Specializes in Gamma Knife radiosurgery for brain tumors and neurological disorders.
• Performs minimally invasive and endoscopic procedures for tumor removal and spine repair.
• Treats complex conditions including scoliosis, brain aneurysms, and spinal stenosis.
• Expert in pediatric neurosurgery for spina bifida and childhood brain tumors.

Professor Onder Surgit is a senior surgeon at Optimed International Hospital. He serves as a surgical instructor at the Advanced Medical Technologies Training Center.

• Specializes in oncology and metabolic conditions requiring advanced diagnostic imaging
• Instructs other surgeons on using advanced medical technologies for complex cases
• Former faculty member at Atilim University Faculty of Medicine
• Practiced general surgery at Ankara Medicana Hospital
• Trained at Hacettepe Faculty of Medicine, a top Turkish medical school

Dr. Aygun Mammadova is a neurologist and osteopath at the Biological Medicine Integrative Health Center Baku. She specializes in treating complex degenerative diseases using integrative medicine. Dr. Mammadova is a graduate of the St. Petersburg Academy of Osteopathy. She applies osteopathic methods to treat spinal hernias and chronic pain.

• Specializes in Parkinson’s disease, multiple sclerosis, and Alzheimer’s management.
• Treats organic and functional nervous system disorders including epilepsy and strokes.
• Participated in international neurological congresses in Turkey and Azerbaijan.
• Works at a center that manages care for over 84,000 patients annually.

Dr. Hana Golan heads the Pediatric Hemato-Oncology and Bone Marrow Transplantation Division at Sheba Medical Center. She specializes in high-risk pediatric tumors and complex childhood cancers. Dr. Golan serves as the principal investigator for the High-Risk Neuroblastoma ESIOP protocol. She practices at a hospital ranked among the global top 10 by Newsweek.

• National coordinator of multicenter oncology protocols and international Phase I/II clinical trials.
• Performs bone marrow transplants and CAR T-cell therapy for pediatric patients.
• Expert in neuroblastoma, leukemia, and treatment-resistant malignancies.
• Senior Lecturer at the Sackler Faculty of Medicine at Tel Aviv University.

Professor Luo Xiaoping is a nationally recognized interventional radiologist and a leading authority in Western China. He began pioneering vascular interventions in the early 1990s. He helped found the Interventional Group at the Second Affiliated Hospital of Chongqing Medical University.

He has completed over 100,000 interventional procedures, including about 4,000 complex cases. His key skills include TACE for hepatocellular carcinoma, Budd–Chiari interventions, TIPS, and single-stage bilateral stenting for hilar biliary obstruction, with success rates near 100%. He has been a master’s supervisor since 2007. He has trained many physicians, guided complex cases at more than 40 major hospitals across Western China, and helped build interventional programs. He has published 32 papers as first or corresponding author (22 CSCD core, 4 Chinese core, 6 CSCD extended).

Dr. Yakup Erdogan is a child and adolescent psychiatrist at NPISTANBUL Brain Hospital. He specializes in treating autism spectrum disorder, ADHD, and pediatric mood disorders. Dr. Erdogan completed a clinical observership at the University of Leicester in England. He publishes research in both national and international medical journals.

• Treats complex conditions including bipolar disorder, OCD, and psychotic disorders.
• Expert in substance abuse treatment for children and teenagers.
• Fluent in English and serves international patients in Istanbul.
• Works at Turkey’s first JCI-certified private neuropsychiatric hospital.

Dr. Ceyhun Bozkurt is a pediatric hematologist-oncologist at Medical Park Bahcelievler Hospital. He serves as the clinical director and vice director of the stem cell transplant unit. Dr. Bozkurt focuses on childhood leukemia, bone marrow transplants, and neuroblastoma. He completed specialized observerships at Harvard University and Cincinnati Children's Hospital.

• Member of the International Society of Pediatric Oncology (SIOP).
• Active member of the European Bone Marrow Transplant Group (EBMT).
• Published more than 40 articles on stem cell therapy and blood disorders.
• Works at a center performing the highest number of transplants in Turkey.

Dr. Elshad Gulmammadov is a psychiatrist at NP Istanbul Brain Hospital in Turkey. He specializes in treating schizophrenia, bipolar disorder, and depression. He completed his residency at the prestigious Istanbul University-Cerrahpasa Faculty of Medicine. Dr. Gulmammadov provides both psychiatric care and psychotherapy for complex mental health conditions.

• Treats neurodevelopmental and mood disorders like autism and anorexia.
• Performs specialized interventions including adult schizophrenia treatment and psychotherapy.
• Uses EEG and brain MRI to support precise psychiatric diagnostics.
• Works at NP Istanbul Brain Hospital, a JCI-accredited facility and Europe’s second-ranked brain hospital.

Dr. Ayshe Okumush is a radiation oncologist at Private NeoLife Medical Center. She earned her MD from Karadeniz Technical University in 2003. She completed a residency in radiation oncology at Sisli Etfal Training and Research Hospital from 2006 to 2011.

She served as a specialist at Diyarbakir Uckuyular Training and Research Hospital from 2011 to 2013 and at Sisli Etfal from 2013 to 2016. She then worked at Yeni Yuzyil University Private Gaziosmanpasa Hospital from 2016 to 2026. She joined NeoLife in 2026.

Memberships: Turkish Society for Radiation Oncology (TROD) and the European Society for Radiotherapy and Oncology (ESTRO). Clinical focus: SRS, SRT, SBRT; VMAT, IMRT; radiotherapy for head and neck, lung, and brain tumors; SGRT, TBI, and 3D brachytherapy.

Dr. Sezer Sağlam is a medical oncologist at Gayrettepe Florence Nightingale Hospital in Istanbul. He specializes in gastrointestinal oncology and the treatment of liver cancer. Dr. Sağlam was nominated for the International Best Researcher Award for his work on liver-transplanted patients. He has served as a professor of medical oncology since 2016.

• Member of the European Society for Medical Oncology (ESMO).
• Active member of the American Society of Clinical Oncology (ASCO).
• Member of the European Neuroendocrine Tumor Society (ENETS).
• Works at JCI-accredited facility with advanced PET-MRI and radiology departments.

Dr. Mehmet Salih Iyikesici is a medical oncologist. His work focuses on metabolically supported chemotherapy (MSCT), ketogenic diet–supported cancer care, hyperthermia, hyperbaric oxygen therapy, and insulin potentiation therapy. He emphasizes care for breast, pancreatic, and gastric cancers.

He is a Medical Oncology Specialist at Neolife Medical Center (2026–present). He previously served at Private Bahçelievler Medical Park (2013–2026), Medicana Beylikdüzü (2010–2013), Silivri Anadolu (2009–2010), Diyarbakır Training and Research (2008–2009), and Bursa Çekirge State (2006–2008). Earlier, he worked as an Internal Medicine Specialist (1997–2003). He was an Assistant Professor at Altınbaş University (2014–2026).

Training: Medical Oncology subspecialty, Marmara University (2003–2006). Internal Medicine, Istanbul Haydarpaşa Numune (1992–1996). Medicine, Uludağ University (1985–1990). Member, Medical Oncology Association (since 2004). His recent research (2019–2020) covers gastric, breast, pancreatic, and lung cancers. Topics include long‑term survival in metastatic pancreatic cancer and feasibility in metastatic non‑small cell lung cancer (NSCLC).

Dr. Savas Ceylan has performed over 5,600 endoscopic neurosurgical procedures at VM Medical Park Pendik. He specializes in the treatment of pituitary adenomas and complex skull base tumors. Dr. Ceylan is a member of the American Association of Neurological Surgeons. He practices at a JCI-accredited hospital in Istanbul.

• Completed over 4,300 surgeries for pituitary adenomas.
• Expert in endoscopic transsphenoidal surgery for sellar region pathologies.
• Performed 150+ craniopharyngioma resections and 120+ chordoma surgeries.
• Previously served as Head of the Neurosurgery Department at Kocaeli University.

Dr. Mehmet Osman Akcakaya is an associate professor of neurosurgery at Gayrettepe Florence Nightingale Hospital. He specializes in functional neurosurgery, brain tumors, and peripheral nerve reconstruction. Dr. Akcakaya completed a clinical fellowship in stereotactic surgery at Hannover Medical School in Germany.

• Trained in microsurgery of the brachial plexus at Tel Aviv Sourasky Medical Center.
• Performs deep brain stimulation, vagus nerve stimulation, and Gamma Knife procedures.
• Treats complex conditions including brain cysts and malignant brain tumors.
• Practices at a JCI-accredited hospital serving 200,000 patients annually.