Best Drug treatment Doctors Worldwide — TOP 67

Dr. Betul Tavil is a professor of pediatric hematology and oncology at Memorial Şişli Hospital. She has successfully treated 500+ children with leukemia. Dr. Tavil is an expert in bone marrow transplantation for complex cases. She manages rare blood disorders, including congenital erythropoietic porphyria and immunodeficiencies. Memorial Şişli Hospital is JCI-accredited and maintains a 90% organ transplant success rate.

• Performed over 100 pediatric bone marrow transplantations for malignant and genetic diseases.
• Winner of the Turkish Hematology Society Award for pediatric blood cancer treatment.
• Author of over 150 scientific publications with more than 1,700 citations.
• Member of the International Society for Stem Cell Research.

Dr. Nabi Gokhan Ferahcan is the Chief Physician of the Check-up Department at Memorial Şişli Hospital. He specializes in personalized health screenings and preventive medicine based on scientific evidence. Dr. Ferahcan managed the Emergency Department at Afyon SSK Hospital earlier in his career. He is a member of the Istanbul Medical Chamber.

• Treats metabolic and blood conditions including liver steatosis, hypertension, and anemia.
• Performs adult vaccinations and vitamin replacement therapies for preventive health.
• Focuses on complete health screenings for both male and female patients.
• Works at Memorial Şişli, the first hospital in Turkey to earn JCI accreditation.

Dr. Abdulmuttalip Simsek is a urological surgeon at Memorial Bahçelievler Hospital in Istanbul. He specializes in robotic and reconstructive surgery for complex urological conditions. Dr. Simsek holds the rank of Professor and completed reconstructive urology training in the UK. He treats a wide range of cancers including kidney, prostate, and bladder malignancies.

• Performs HoLEP for benign prostatic hyperplasia and penile prosthesis surgery.
• Expert in reconstructive procedures such as urethroplasty and hypospadias surgery.
• Treats sexual health conditions, including erectile dysfunction and Peyronie's disease.
• Works at a JCI-accredited facility known for oncology and robotic surgery excellence.

The doctor is an experienced neurosurgeon with over 15 years of clinical practice in Turkey. Throughout a distinguished career, the doctor has served in various high-profile medical institutions, including Memorial Ataşehir Hospital, VM Medical Park Pendik Hospital, and Bahçeşehir University Medical Park Göztepe Hospital.

Specializing in neurosurgical procedures, the doctor has extensive experience in managing complex neurological conditions and providing comprehensive patient care. Having served in both private hospital systems and state-run facilities, the doctor possesses a broad clinical background in surgical interventions and neurological health management.

Dr. Fatih Yanaral is a urology and robotic surgery specialist at Memorial Şişli Hospital. He has authored 43 academic works and six book chapters in his field. Dr. Yanaral completed specialized training in reconstructive urology at Hamburg-Eppendorf University Hospital in Germany.

• Serves as an editor for The New Journal of Urology.
• Participated in over 100 medical congresses as a speaker or attendee.
• Is a member of the European Association of Urology.
• Works at the first JCI-accredited hospital in Turkey.

Dr. Mustafa Sakar is a neurosurgeon at Memorial Göztepe Hospital in Istanbul. He specializes in pediatric neurosurgery and tumor surgery. Dr. Sakar completed a corner tumor surgery observership at the University of Tübingen, Germany. He also trained in fetal spina bifida surgery at HCor in São Paulo, Brazil.

• Member of the International Society for Pediatric Neurosurgery (ISPN).
• Member of the European Association of Neurosurgical Societies (EANS).
• Active in the Turkish Neurosurgical Society Pediatric Neurosurgery group.
• Practices at Memorial Göztepe, which features AI-supported 3 Tesla MRI technology.

Dr. Pichayut Kasemphakdeephong is a psychiatrist and addiction specialist at Day One Rehabilitation Center. He serves as a Committee Member of the Thai Society for Addiction Psychiatry. Dr. Kasemphakdeephong treats mental health disorders, substance use, and gambling addictions. He also works as a medical professor training residents at Phramongkutklao Hospital.

• Specializes in alcohol use disorder and cost-effectiveness in rehabilitation models.
• Member of The Psychiatric Association of Thailand and The Medical Council.
• Treats complex conditions including schizophrenia, depression, and bipolar disorder.
• Collaborates with multidisciplinary teams to design integrated dual-diagnosis care plans.

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.

Ahmed Ali Mohamed is a psychologist at Zeus Detox & Rehab since 2022. He specializes in addiction treatment. He provides individual and group therapy. His methods are behavioral and motivational. He helps clients build insight, healthier coping, and long-term recovery. He also works with Arabic-speaking patients.

Education: He completed psychology studies in English in Poland. He previously studied medicine in Qatar. This background supports an integrated medical-psychological view. He provides culturally sensitive and confidential care.

Dr. Mark Semenov, MD, is a board-certified psychiatrist licensed by the Israeli Ministry of Health since 2002. He graduated from the Sackler Faculty of Medicine at Tel Aviv University. He completed a psychiatry residency and is a certified specialist.

He has postgraduate training in addiction medicine, healthcare management, and emergency medical care. His practice focuses on addiction and dual diagnosis (substance use disorders with co‑occurring psychiatric illnesses). He provides assessment, medication management, medically supervised detox, relapse prevention, stabilization, and long‑term follow‑up. He works within a multidisciplinary team.

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.

Dr. Arzu Musayeva specializes in bioregulatory therapy, integrating traditional and biological medicine for comprehensive treatment.

• Extensive training in homotoxicology and microbiological therapy from German experts
• Recipient of the Hans-Heinrich Reckeweg Prize for clinical cases
• Focuses on diabetes treatment and prevention of complications
• Expert in treating trophic ulcers and peripheral nerve neuropathy

Dr. Dilek Necioglu Orken is a neurologist at Memorial Sisli Hospital in Istanbul. She focuses on complex neurological conditions and patient management. Dr. Orken previously served as the Head of the Neurology Department at Demiroglu Science University. She also held the role of Education and Administrative Officer at Sisli Hamidiye Etfal Hospital.

• Served as a member of the faculty at Demiroglu Science University.
• Practiced as a specialist at Sisli Hamidiye Etfal Training and Research Hospital.
• Works at Memorial Sisli, the first hospital in Turkey to earn JCI accreditation.
• Provides care at a facility with a recognized history of world-class safety standards.

Dr. Abdullah Ozkaya is an ophthalmologist at Memorial Şişli Hospital in Istanbul. He specializes in retinal detachment surgery, vitrectomy, and laser eye procedures. Dr. Ozkaya has published over 80 articles in international journals. His surgical research has earned more than 500 citations from other medical experts. He treats patients at a JCI-accredited facility recognized for high surgical success rates.

• Member of the European Vitreoretinal Society and Turkish Ophthalmology Society.
• Teaches as a faculty member at Aydin University in Istanbul.
• Performs LASIK and macular degeneration surgery alongside complex vitreoretinal repairs.
• Expert in diagnostic tests including slit lamp exams and vision field studies.

Dr. Mehmet Akif Ozturk is a medical oncology specialist at Memorial Şişli Hospital in Istanbul. He currently serves as a faculty member at Üsküdar University. Dr. Ozturk previously held a faculty position at Marmara University Pendik Training and Research Hospital. He treats patients at a JCI-accredited facility known for its high organ transplant success rates.

• Specializes in clinical oncology for local and international patients.
• Practices at Memorial Şişli, the first hospital in Turkey to earn JCI accreditation.
• Serves as a medical oncology specialist in Istanbul since 2018.
• Held specialist roles at several major Turkish medical centers throughout his career.

The doctor is a highly experienced Orthopedics and Traumatology Specialist with a career spanning over 15 years in clinical practice. Since 2009, the doctor has been providing specialized orthopedic care at Memorial Sisli Hospital.

Throughout a distinguished career, the doctor has held key positions at several prominent medical institutions, including Medicana International Istanbul Hospital, Esenler Life Hospital, and Van State Hospital. The doctor possesses extensive expertise in the diagnosis and surgical management of musculoskeletal conditions, consistently delivering high-quality patient care across diverse clinical settings.