Ali Levent Yalchin
- 5 Excellent • 55 reviews
- 44 years of experience
- Turkey, Istanbul, Istanbul Florence Nightingale Hospital
Dr. Eyup Bakmaz is an experienced orthopedic surgeon in Istanbul. He specializes in sports medicine, knee replacement, and hip arthroscopy. He has over 20 years of clinical experience at Gayrettepe Florence Nightingale Hospital. Dr. Bakmaz performs both minimally invasive and traditional orthopedic procedures.
He is known for his skill in treating orthopedic trauma and sports injuries. He also focuses on advanced rehabilitation. Dr. Bakmaz is a certified specialist from Istanbul University Cerrahpaşa Faculty of Medicine. He is committed to evidence-based and personalized patient care. His patients report high satisfaction and strong surgical results.
Dr. Marc Ulrich Becher is an interventional cardiologist and heart failure specialist at Städtisches Klinikum Solingen. He is known for performing advanced procedures such as coronary angiography, radiofrequency ablation with 3D mapping, carotid angioplasty, and stenting.
Dr. Becher’s clinic carries out about 3,000 to 4,000 diagnostic and therapeutic procedures each year. These include complex coronary interventions, catheter-based valve replacements, and structural heart procedures. He is experienced in using advanced imaging techniques like IVUS and OCT for accurate diagnosis and treatment planning.
Dr. Becher is dedicated to providing thorough and compassionate care. He uses modern therapies for both acute and chronic cardiovascular diseases, focusing on patient safety and positive outcomes.
2010-2012: (Specialist. Dr.) TR Ministry of Health, Istanbul Metin Sabancı Bone Diseases Training and Research Hospital
2012-2017: (Specialist Dr.) TR Ministry of Health, Istanbul Metin Sabancı Bone Diseases Training and Research Hospital
2017-Present: Assoc. Dr. Istanbul Aydın University VM Medical Park Hospital
1. European Board of Orthopedics and Traumatology(EBOT), Member, 2014
2. Hip and Knee Arthroplasty Association, Member, 2014
3. Orthopedic Trauma Branch, Member, 2011
4. Turkish Orthopedics and Traumatology Education Council (TOTEK), Member, 2010
5. Turkish Orthopedics and Traumatology Association (TOTBID), Member, 2007
6. Turkish Orthopedics and Traumatology Association (TOTDER), Member, 2005
7. Turkish Medical Association Istanbul Branch, Member, 2005
COMMITMENT, PROVINCIAL HEALTH DIRECTORATE, 2011
INTERNAL MEDICINE / GASTROENTEROLOGIST AND HEPATOLOGIST
Graduation (M.D. From)
Bachelor of Medicine, Faculty of Medicine, Chiang Mai University
Certificates
Diploma in Internal Medicine, Faculty of Medicine, Chulalongkorn Memorial Hospital, Thai Red Cross Society
Diploma of Internal Medicine in Gastroenterology and Hepatology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University
Current Positions
INTERNAL MEDICINE / GASTROENTEROLOGIST AND HEPATOLOGIST AT INTRARAT HOSPITAL
Dr Roberto Hernandez-Pena is a neurosurgeon. He earned his MD at the Universidad Autonoma de Baja California and completed neurosurgery training in Mexico City, followed by a neurology/neurosurgery fellowship in Phoenix, Arizona.
He is part of a two-surgeon neurosurgical team with Dr Nestor Rodriguez, who completed a fellowship in Rio de Janeiro, Brazil. Together they bring more than 18 years of surgical experience and are recognized as one of the leading neurosurgery teams in Mexicali.
Prof. Dr. Salih Murat İmer is a neurosurgeon with over 30 years of experience. He founded and led the Neurosurgery Department at Okan University Hospital. He has written 68 scientific articles and contributed to 9 book chapters. Dr. İmer has also presented at 33 international congresses, showing his influence in neurosurgery worldwide.
Dr. İmer holds advanced certifications in functional and stereotactic neurosurgery, Leksell Gamma Knife radiosurgery, and endoscopic spine surgery. He received specialized training in several European countries. He has worked with leading experts such as Prof. Matti Vapalahti and Prof. Juha Hernesniemi. Through these collaborations, he has helped improve neurosurgical practice and education around the world.
Membership in societies:
Expert of scientific journals
Close co-operation with leading surgeons
Membership of the German Medical Association
Specialities:
Introduction of new and modern techniques in the field of oncological surgery
General and visceral surgery
Minimally invasive surgery
Gastrointestinal oncology surgery
Oncological surgery
Haemorrhoids treatment
Additional clinical specialisation in minimally invasive and hernia surgery
Surgery and transplantation of the pancreas
Work Experience:
2005: Specialist in the field of surgery
2008: Appointed Senior Consultant specialising in pancreatic surgery and transplantation
2010: Coordinator of the Pancreatic Cancer Centre (Oncocert)
2013: Specialist in visceral surgery
2014: Managing Senior Physician, additional clinical specialisation in minimally invasive and hernia surgery
2019: Chief Surgeon of the Colorectal Cancer Centre Bochum (the first certified colorectal cancer centre in Germany and one of the first certified leading colorectal centres in Europe)
2021: Chief Surgeon of the Department of Surgery at the Academic Hospital Solingen
Thanks to the professor and his team, the department has been modernised by introducing modern surgical methods of treatment and especially improved methods of post-operative recovery. The Department of Surgery at the Solingen Clinic is now further expanding its focus on minimally invasive surgery in the direction of robotics. The clinic has allocated a huge budget for the purchase of state-of-the-art equipment in order to offer patients a full range of surgical methods for the treatment of benign and malignant diseases of the oesophagus, lungs, stomach, liver, pancreas and intestines according to current guidelines and using the most modern technical equipment.
Professor Schenker is an active researcher and lecturer. He lectures at medical universities and organises seminars and workshops for colleagues. He cooperates closely with the Cancer Centre, the Pancreatic Cancer Treatment Centre, the Intestinal Cancer Treatment Centre and the Interregional Trauma Centre.
Dr. Mehmet Osman Akcakaya is a neurosurgeon with 18 years of experience. He specializes in microneurosurgery and functional neurosurgery. He treats head trauma, brain tumors, Parkinson’s disease, and spinal disorders. Dr. Akcakaya uses advanced surgical techniques for these complex conditions.
He has received several awards, including the Second Prize for 'Best Oral Presentation' at the Congress of the Nervous System Surgery Society. He completed a 4-year training program with the European Association of Neurosurgical Societies (EANS). He also holds the EANS board certificate (Part I). Dr. Akcakaya has completed fellowships in Israel and Germany.
He is a member of the Turkish Association of Neurosurgery and EANS. He has also served on scientific committees for international courses on endoscopic spine surgery.
The doctor is a Nuclear Medicine Specialist with 39 years of experience, currently practicing at Medipol Mega University Hospital. The doctor has held professorships at Gazi University and served as the Director of the Department of Nuclear Medicine at Ankara Order Laboratory. The doctor is a member of both the Turkey Association of Nuclear Medicine and the European Association of Nuclear Medicine. The doctor graduated from Erciyes University Faculty of Medicine in 1984 and became a Nuclear Medicine Specialist at Ankara University in 1992.
The doctor is a distinguished Austrian specialist in gastroenterology, internal medicine, and endoscopic surgery, renowned for advanced diagnostic and therapeutic procedures on the digestive tract. With decades of experience, the doctor is a trusted expert in managing complex gastrointestinal and hepatobiliary diseases.
Graduating from the University of Vienna in the 1980s, the doctor specialized in gastroenterology and endoscopic techniques during the 1990s. By the 2000s, the doctor gained recognition for work in diagnostic and therapeutic endoscopy, including procedures like colon polyp removal and biliary interventions.
Currently, the doctor serves as a leading consultant at Wiener Privatklinik, performing endoscopic surgeries and managing complex gastrointestinal conditions.
Education and Expertise
GATA Military Medical Faculty
GATA Haydarpaşa Training Hospital Neurosurgery Clinic (Specialization)
Beykent University Hospital and Health Institutions Management (Master's)
Experience
GATA Military Medical Faculty Trainee Doctor (6 months)
Samsun Sahara Medical School Comm. (3 months)
Naval Command War Squadron TCG Diligence Medical Officer (2 years)
Dz.K.K. Submarine Battery Factory Infirmary Doctor (3 months)
Naval Forces Command Infirmary Doctor (3 months)
GATA Haydarpaşa Training Hospital Chief Assistant (12 years)
Kasımpaşa Marine Hospital Neurosurgery Clinic Chief (5 years)
Bahçelievler Medical Park Hospital Neurosurgery Specialist (11 years)
Altınbaş University Faculty of Medicine Neurosurgery Lecturer. Member (4 years)
Altınbaş University Faculty of Medicine Head of Neurosurgery Department. (3 years)
Basic and Advanced Cardiac life support courses (BASIC)
Basic and Advanced Cardiac life support courses (ADVANCED)
GATA Military Medical Faculty. Microsurgery Training Course
Istanbul Vatan Hospital Hand surgery microsurgery course
Neuroanatomy course
Spine Surgery course
Professional Memberships
Turkish Neurosurgery Association
Spine Society of Europe
Turkish Spinal and Peripheral Nerve Surgery Group
2005 – M.D., Istanbul University, Istanbul Faculty of Medicine
2010 – Internal Medicine Specialization, Haseki Training and Research Hospital
2021 – Gastroenterology Subspecialty Training, Sakarya University Faculty of Medicine
Assistant Professor, Istanbul Florence Nightingale Hospital
Assistant Professor, Istanbul Bilim University Faculty of Medicine
Assistant Professor, Istanbul Yeni Yüzyıl University Faculty of Medicine
Head of Department, Giresun University Faculty of Medicine
Dr. Acar has authored over 20 international peer-reviewed articles in the fields of internal medicine and gastroenterology. Her notable contributions include studies and case reports on:
Gastrointestinal bleeding management in anticoagulant users
Rare GI cases such as bezoars, aortoesophageal fistulas, and massive hemorrhagic ascites
Liver transplantation complications, including graft-versus-host disease
The role of (pro)hepcidin in IBD-related anemia
Endoscopic interventions for acute GI bleeding
Covid-19 treatment agents and their GI implications in Turkey
(Full publication list available upon request)
Gastrointestinal bleeding & endoscopic procedures
Hepatology & liver disease management
Inflammatory bowel diseases (IBD)
Complex GI case diagnostics
Post-transplant GI complications
Diabetic GI and cardiovascular comorbidities
Pediatrician, Pediatric Gastroenterology and Nutrition Specialist
Education
Yeditepe University School of Medicine
Professor of Pediatrics (Chair of the Department)
2004 - 2007
Dokuz Eylül University School of Medicine
Pediatric Gastroenterology Sub-specialty
1995 – 1998
Hacettepe University School of Medicine
Pediatrics Instructor
1985 - 1987
Professional Experience
Ataşehir Florence Nightingale Hospital
Pediatrician, Pediatric Gastroenterology
2017 – Present
Kadıköy Şifa Ataşehir Hospital
Pediatric Gastroenterology and Nutrition
2013 – 2017
Dokuz Eylül University School of Medicine
Professor of Pediatrics
1994 – 2004
Publications
Cevik N, Buyukgebiz B. Interaction between human blood group (ABO) substances and enteropathogenic
bacterial agents. Turk J Pediatr. 1987. Link
Buyukgebiz B, Ozalp I, Oran O. Investigation of serum vitamin A levels of children who had a history of
recurrent diarrhoea. J Trop Pediatrics. 1990. Link
Languages
Turkish: Native
English: Advanced
Dr Roberto Hernandez Pena is a neurosurgeon based in Mexicali, Baja California, Mexico. He works with fellow neurosurgeon Dr Nestor Rodriguez. Together, they perform 30 to 60 neurosurgeries each month.
Dr Hernandez Pena trained in the United States and Canada. He uses the latest technology in all surgical procedures.
| EDUCATION | |
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| WORK EXPERIENCES & PRACTICES | |
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| OTHER EXPERIENCES | |
| 2015-2017 | Instructor nursing student at Sai noi hospital and Bangbuatong hospital |
| 2015 | Member of Pharmacy and Therapeutics Committee at Bangbuatong hospital |
| 2015 | Emergency Medicine, organized by Phramongkutklao hospital |
| 2016 | Update in internal medicine, organized by Siriraj hospital |
| 2016 | Ambulatory medicine, organized by Chulalongkorn-Ramathibodi-Siriraj hospita |
| 2016 | 5th ECG workshop, organized by Chulalongkorn hospital |
| ACADEMIC ACHIEVEMENTS | |
| Co-author in: Development and validation of a cancer-associated venous thromboembolism clinical risk prediction (CAT-CR) model >> waiting for publication | |
Dr. Yigit Changa is an Associate Professor of Cardiology. He received advanced training at Dr. Siyami Ersek Thoracic and Cardiovascular Surgery Training and Research Hospital. He became a cardiology specialist in 2016 and completed his residency in 2010. Dr. Changa is a member of the Turkish Society of Cardiology and the Turkish Medical Association.
He has worked at leading hospitals, including Ataşehir and Kadıköy Florence Nightingale Hospitals. Dr. Changa speaks English fluently. He has a solid academic and clinical background in cardiology.