All specialties

Dr. med. Florian Mathias Wagner
Cardiac Surgeon
- Dr. med. Florian Mathias Wagner is a recognized Cardiac Surgeon with 35 years of experience in the field.
- After completing his studies in human medicine at the University of Padua, Germany in 1985, he did his approbation as a doctor in human medicine from Ludwig-Maximilians-University Munich in 1989.
- He has also done his training in the cardiology field under various worldwide-renowned doctors of the country.
- Dr. Wagner's expertise includes Tricuspid Valve Disease/Repair, Arterial Revascularisation/T-graft Technique, Heart transplantation, Minimally Invasive Cardiac Surgery, Left Ventricular Aneurysm Surgery, Pulmonary Thromboendarterectomy, etc.
- He has written several scientific publications and articles in national and international journals.
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- Dr. med. Florian Mathias Wagner is a recognized Cardiac Surgeon with 35 years of experience in the field.
- After completing his studies in human medicine at the University of Padua, Germany in 1985, he did his approbation as a doctor in human medicine from Ludwig-Maximilians-University Munich in 1989.
- He has also done his training in the cardiology field under various worldwide-renowned doctors of the country.
- Dr. Wagner's expertise includes Tricuspid Valve Disease/Repair, Arterial Revascularisation/T-graft Technique, Heart transplantation, Minimally Invasive Cardiac Surgery, Left Ventricular Aneurysm Surgery, Pulmonary Thromboendarterectomy, etc.
- He has written several scientific publications and articles in national and international journals.

Dr. med. Ralf Bader
Cardiac Surgeon
- Dr. med. Ralf Bader is one of the finest Cardiac Surgeons in Germany with 31 years of experience in the field.
- After completing his studies in human medicine, he did his MD at the University of Giessen, Germany, Medical School in 1989.
- Later, he did his Basic Research at Max-Planck-Institute, Dept. Exp. Cardiology, Bad Nauheim, Germany from 1987-1991,
- He has been awarded several fellowships and training programs along with being on the Scientific advisory board for many organizations.
- Dr. Bader's area of interest includes Heart transplantation, Minimally Invasive Cardiac Surgery, Mitral Valve Repairs, Surgery for Heart Failure, ASD, VSD, Left Ventricular Aneurysm Surgery, Pulmonary Thromboendarterectomy, etc.
- He has authored over 100 scientific publications and articles in national and international Journals.
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- Dr. med. Ralf Bader is one of the finest Cardiac Surgeons in Germany with 31 years of experience in the field.
- After completing his studies in human medicine, he did his MD at the University of Giessen, Germany, Medical School in 1989.
- Later, he did his Basic Research at Max-Planck-Institute, Dept. Exp. Cardiology, Bad Nauheim, Germany from 1987-1991,
- He has been awarded several fellowships and training programs along with being on the Scientific advisory board for many organizations.
- Dr. Bader's area of interest includes Heart transplantation, Minimally Invasive Cardiac Surgery, Mitral Valve Repairs, Surgery for Heart Failure, ASD, VSD, Left Ventricular Aneurysm Surgery, Pulmonary Thromboendarterectomy, etc.
- He has authored over 100 scientific publications and articles in national and international Journals.

Prof. Dr. Thomas Nimayer
Spine Surgeon
- Prof. Dr. Thomas Nimayer is a Spine Surgeon with over 20+ years of experience.
- He has a membership of the German Society for Orthopedics / Orthopedic Surgery DGOOC, European Spine Society, Scoliosis Self-Help ev and advisory board, German Spine Society, and German Society for Orthopedics/Trauma Surgery DGOU.
- He did his medical schooling at Ernst-Moritz-Arndt-Universität Greifswald in 1994 and PhD at Universität Tübingen in 2002.
- He also has a Spinal Fellowship, Centre for Spinal Studies and Surgery, Nottingham University Hospital in 1998, and Travelling Fellowship from EUROSPINE, the Spine Society of Europe in 2000.
- He has in-depth knowledge of Arteriovenous Malformation (AVMs), Tumour Embolization, Angioplasty, Stenting of arterial stenosis including carotid stenting, Intra-arterial Thrombolysis for stroke, etc.
- Dr. Nimayer has more than 150 publications to his credit in various prestigious journals nationally and internationally.
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- Prof. Dr. Thomas Nimayer is a Spine Surgeon with over 20+ years of experience.
- He has a membership of the German Society for Orthopedics / Orthopedic Surgery DGOOC, European Spine Society, Scoliosis Self-Help ev and advisory board, German Spine Society, and German Society for Orthopedics/Trauma Surgery DGOU.
- He did his medical schooling at Ernst-Moritz-Arndt-Universität Greifswald in 1994 and PhD at Universität Tübingen in 2002.
- He also has a Spinal Fellowship, Centre for Spinal Studies and Surgery, Nottingham University Hospital in 1998, and Travelling Fellowship from EUROSPINE, the Spine Society of Europe in 2000.
- He has in-depth knowledge of Arteriovenous Malformation (AVMs), Tumour Embolization, Angioplasty, Stenting of arterial stenosis including carotid stenting, Intra-arterial Thrombolysis for stroke, etc.
- Dr. Nimayer has more than 150 publications to his credit in various prestigious journals nationally and internationally.

Prof. Dr. Karl Heinz Cool
Interventional Cardiologist
- Prof. Dr. Karl Heinz Cool is an exceptional Interventional Cardiologist with 41+ years of experience in the field.
- He is a member of the German Society for Cardiovascular Research, German Society for Cardiology - Heart and Circulatory Research (DGK), European Society of Cardiology (ESC), and American College of Cardiology.
- He has been repeatedly recognized as one of the best Interventional Cardiologists according to the magazine Focus.
- He has also received several prizes by the name of Dr. Martini for co-authoring important scientific works in the world.
- Dr. Cool has extensive experience in stenting, Implanting pacemakers/defibrillators/ICDs, Cardiac diagnostics/Coronary vessel interventions, rotational atherectomy, IVUS, pressure wire evaluation, distal protection device use, etc.
- He is recognized as one of the leaders in the country and is proficient in a lot of new devices and technologies.
- He has a number of publications to his credit in numerous journals nationally and internationally.
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- Prof. Dr. Karl Heinz Cool is an exceptional Interventional Cardiologist with 41+ years of experience in the field.
- He is a member of the German Society for Cardiovascular Research, German Society for Cardiology - Heart and Circulatory Research (DGK), European Society of Cardiology (ESC), and American College of Cardiology.
- He has been repeatedly recognized as one of the best Interventional Cardiologists according to the magazine Focus.
- He has also received several prizes by the name of Dr. Martini for co-authoring important scientific works in the world.
- Dr. Cool has extensive experience in stenting, Implanting pacemakers/defibrillators/ICDs, Cardiac diagnostics/Coronary vessel interventions, rotational atherectomy, IVUS, pressure wire evaluation, distal protection device use, etc.
- He is recognized as one of the leaders in the country and is proficient in a lot of new devices and technologies.
- He has a number of publications to his credit in numerous journals nationally and internationally.
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Dr. med. Huseyin Ubeyli
Spine SurgeonHamburg, Germany
24+ years of experience
Senior Consultant
Works At: Asklepios St. Georg Hospital
4.7 (16 Ratings)
- Dr. med. Huseyin Ubeyli is a leading Spine Surgeon with over 20+ years of experience in the field.
- He did his medical schooling at the University of Hamburg in 2000 and started his specialist training in orthopedics and trauma surgery at Schön Klinik Hamburg-Eilbek in 2007.
- He also has a Research grant (BAGS) from the TUHH and AK Barmbek in 2002 in Hamburg.
- He has expertise in the treatment of Infection of the spine, injury to the spine, Scoliosis, Spinal stenosis, Spinal tumor, Fractures, and Spinal cord injuries.
- Dr. Ubeyli has several publications in both international as well as national journals.
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- Dr. med. Huseyin Ubeyli is a leading Spine Surgeon with over 20+ years of experience in the field.
- He did his medical schooling at the University of Hamburg in 2000 and started his specialist training in orthopedics and trauma surgery at Schön Klinik Hamburg-Eilbek in 2007.
- He also has a Research grant (BAGS) from the TUHH and AK Barmbek in 2002 in Hamburg.
- He has expertise in the treatment of Infection of the spine, injury to the spine, Scoliosis, Spinal stenosis, Spinal tumor, Fractures, and Spinal cord injuries.
- Dr. Ubeyli has several publications in both international as well as national journals.

Dr. med. Tobias Martens
Neurosurgeon
- Dr. med. Tobias Martens is a well-known Neurosurgeon with over 20+ years of experience.
- He has professional membership of the German Society for Epileptology (DGfE), German Society for Neurosurgery (DGNC), German Cancer Society (DKG), German Spine Society (DWG), The neuro-oncological working group in the DKG (NOA), and Society for Neuro-oncology, USA (SNO).
- He did his medical schooling at the University of Lübeck in 2000 and received a scholarship abroad in Bergen, Norway as well.
- He has in-depth knowledge of Intracranial Aneurysms Embolization (coiling), Arteriovenous Malformation (AVMs), Tumour Embolization, Angioplasty and Stenting of arterial stenosis including carotid stenting and Intra-arterial Thrombolysis for stroke.
- Dr. Martens has written 3 book chapters on vascular neurosurgery, brain tumors, and cerebral metastases, and 36 articles in international journals, out of which 16 of them as first or last author.
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- Dr. med. Tobias Martens is a well-known Neurosurgeon with over 20+ years of experience.
- He has professional membership of the German Society for Epileptology (DGfE), German Society for Neurosurgery (DGNC), German Cancer Society (DKG), German Spine Society (DWG), The neuro-oncological working group in the DKG (NOA), and Society for Neuro-oncology, USA (SNO).
- He did his medical schooling at the University of Lübeck in 2000 and received a scholarship abroad in Bergen, Norway as well.
- He has in-depth knowledge of Intracranial Aneurysms Embolization (coiling), Arteriovenous Malformation (AVMs), Tumour Embolization, Angioplasty and Stenting of arterial stenosis including carotid stenting and Intra-arterial Thrombolysis for stroke.
- Dr. Martens has written 3 book chapters on vascular neurosurgery, brain tumors, and cerebral metastases, and 36 articles in international journals, out of which 16 of them as first or last author.

Dr. med. Stephan Geidel
Cardiac Surgeon
- Dr. med. Stephan Geidel is a well-known Cardiac Surgeon with 28 years of experience in the field.
- He is a member of the German Cardiac Society and the European Society of Cardiology.
- After completing his studies in human medicine at the University of Hamburg Medical School, Germany (1985-92), he did his MD at the University of Giessen, Germany, Medical School in 1989.
- Later, he did his Basic Research at Max-Planck-Institute, Dept. Exp. Cardiology, Bad Nauheim, Germany from 1987-1991.
- He also has pursued multiple training sessions at New York Hospital, Cornell Medical Center New York, USA; Groupe Hospitalier Pitie-Salpetriere Paris, France; Universite de Paris - Hospital European Georges Pompidou, France; Universiteit Maastricht, The Netherlands, and OLV Clinic Aalst, Belgium.
- Dr. Geidel's area of interest includes Atrial Fibrillation, Ablation Surgery, Tricuspid Valve Disease/Repair, Arterial Revascularisation/T-graft TechniqueHeart transplantation, Minimally Invasive Cardiac Surgery, ASD, VSD, Left Ventricular Aneurysm Surgery, Pulmonary Thromboendarterectomy, etc.
- He has written several scientific publications and articles in national and international journals.
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- Dr. med. Stephan Geidel is a well-known Cardiac Surgeon with 28 years of experience in the field.
- He is a member of the German Cardiac Society and the European Society of Cardiology.
- After completing his studies in human medicine at the University of Hamburg Medical School, Germany (1985-92), he did his MD at the University of Giessen, Germany, Medical School in 1989.
- Later, he did his Basic Research at Max-Planck-Institute, Dept. Exp. Cardiology, Bad Nauheim, Germany from 1987-1991.
- He also has pursued multiple training sessions at New York Hospital, Cornell Medical Center New York, USA; Groupe Hospitalier Pitie-Salpetriere Paris, France; Universite de Paris - Hospital European Georges Pompidou, France; Universiteit Maastricht, The Netherlands, and OLV Clinic Aalst, Belgium.
- Dr. Geidel's area of interest includes Atrial Fibrillation, Ablation Surgery, Tricuspid Valve Disease/Repair, Arterial Revascularisation/T-graft TechniqueHeart transplantation, Minimally Invasive Cardiac Surgery, ASD, VSD, Left Ventricular Aneurysm Surgery, Pulmonary Thromboendarterectomy, etc.
- He has written several scientific publications and articles in national and international journals.

Dr. med. Christian-Friedrich Jehn
Hematologist
- Dr. med. Christian-Friedrich Jehn is a Hematologist-Oncologist in Hamburg, Germany with experience of over 20+ years.
- He is a member of the BGIM (Berlin Society for Internal Medicine), DGHO (German Society for Hematology and Medical Oncology), and ASCO (American Society of Clinical Oncology).
- He received his medical education at the Charite University Hospital Berlin Mitte, Medical Clinic: Hematology/Oncology, and did further training with a focus on hematology, oncology, and tumor immunology.
- His areas of interest are the treatment of stem cell transplant (autologous, allogenic & umbilical cord blood transplant), leukemia and lymphoma, bleeding disorders, blood clots, anemia, etc.
- Dr. Jehn has written well-researched articles for national and international journals.
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- Dr. med. Christian-Friedrich Jehn is a Hematologist-Oncologist in Hamburg, Germany with experience of over 20+ years.
- He is a member of the BGIM (Berlin Society for Internal Medicine), DGHO (German Society for Hematology and Medical Oncology), and ASCO (American Society of Clinical Oncology).
- He received his medical education at the Charite University Hospital Berlin Mitte, Medical Clinic: Hematology/Oncology, and did further training with a focus on hematology, oncology, and tumor immunology.
- His areas of interest are the treatment of stem cell transplant (autologous, allogenic & umbilical cord blood transplant), leukemia and lymphoma, bleeding disorders, blood clots, anemia, etc.
- Dr. Jehn has written well-researched articles for national and international journals.

Dr. med. Nils Gosau
Interventional Cardiologist
- Dr. med. Nils Gosau is a reputed Interventional Cardiologist with 17+ years of experience in the field.
- He graduated in human medicine from the University of Hamburg in 2003 and MD from the University Medical Center Hamburg Eppendorf in 2003.
- He has a large number of scientific awards and also been on the editorial board of several organizations.
- Dr. Gosau's area of interest includes Coronary artery disease, Myocardial infarction, Heart failure, Cardiac arrhythmias, Pacemaker- and ICD therapy, and Interventional electrophysiology.
- He has many publications under his name in peer-reviewed journals.
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- Dr. med. Nils Gosau is a reputed Interventional Cardiologist with 17+ years of experience in the field.
- He graduated in human medicine from the University of Hamburg in 2003 and MD from the University Medical Center Hamburg Eppendorf in 2003.
- He has a large number of scientific awards and also been on the editorial board of several organizations.
- Dr. Gosau's area of interest includes Coronary artery disease, Myocardial infarction, Heart failure, Cardiac arrhythmias, Pacemaker- and ICD therapy, and Interventional electrophysiology.
- He has many publications under his name in peer-reviewed journals.

Prof. Dr. Carl J Oldhaffer
General Surgeon
- Prof. Dr. Carl J Oldhaffer is a well-known General Surgeon with experience of more than 19 years.
- He is a member of the DGC German Society for Surgery, DGAV German Society for General and Visceral Surgery, and various scientific working groups.
- He has worked in a multitude of prestigious organizations and graduated from Germany Universities.
- Dr. Oldhaffer has a comprehensive practice in the field of operative gastric diseases, bariatric surgery, and also operations on the stomach, intestines, and gallbladder, while also treating abdominal and tumor diseases.
- He has a number of publications to his credit in various reputed national and international journals.
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- Prof. Dr. Carl J Oldhaffer is a well-known General Surgeon with experience of more than 19 years.
- He is a member of the DGC German Society for Surgery, DGAV German Society for General and Visceral Surgery, and various scientific working groups.
- He has worked in a multitude of prestigious organizations and graduated from Germany Universities.
- Dr. Oldhaffer has a comprehensive practice in the field of operative gastric diseases, bariatric surgery, and also operations on the stomach, intestines, and gallbladder, while also treating abdominal and tumor diseases.
- He has a number of publications to his credit in various reputed national and international journals.

Dr. med. Bjorn Giera
Spine Surgeon
- Dr. med. Bjorn Giera is a prominent Spine Surgeon with over 17+ years of experience.
- He did his medical schooling at the Ruhr-University Bochum in 2003 and started working as an assistant doctor at Schoen Clinic Neustadt in 2006.
- He is well-versed with complex spine surgery including manubriosternotomy for upper thoracic anterior instrumentation, jaw splitting craniocervical surgery, total gastrectomy with lumbopelvic reconstruction, skull separation cervical osteotomy, complex revision of failed spine surgery, and shape memory metal rod.
- Dr. Giera has successfully organized many conferences on Laser and Spine surgery.
- Moreover, he has written various publications in different National and International Indexed Journals.
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- Dr. med. Bjorn Giera is a prominent Spine Surgeon with over 17+ years of experience.
- He did his medical schooling at the Ruhr-University Bochum in 2003 and started working as an assistant doctor at Schoen Clinic Neustadt in 2006.
- He is well-versed with complex spine surgery including manubriosternotomy for upper thoracic anterior instrumentation, jaw splitting craniocervical surgery, total gastrectomy with lumbopelvic reconstruction, skull separation cervical osteotomy, complex revision of failed spine surgery, and shape memory metal rod.
- Dr. Giera has successfully organized many conferences on Laser and Spine surgery.
- Moreover, he has written various publications in different National and International Indexed Journals.

Dr. med. Hannes Alessandrini
Interventional Cardiologist
- Dr. med. Hannes Alessandrini is an Interventional Cardiologist with 18+ years of experience in the field.
- He is a member of the German Society of Cardiology, American Society of Heart Rhythm, and many such prestigious organizations.
- He graduated from Alma Mater Studiorum - the University of Bologna in medicine and surgery, and training from the Leopold-Franzens University of Innsbruck.
- Dr. Alessandrini has comprehensive expertise in Cardiac arrhythmias, Coronary artery disease, Myocardial infarction, Heart failure, Pacemaker- and ICD therapy, Interventional electrophysiology, etc.
- He has composed multiple articles and presentations for national and international publications.
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- Dr. med. Hannes Alessandrini is an Interventional Cardiologist with 18+ years of experience in the field.
- He is a member of the German Society of Cardiology, American Society of Heart Rhythm, and many such prestigious organizations.
- He graduated from Alma Mater Studiorum - the University of Bologna in medicine and surgery, and training from the Leopold-Franzens University of Innsbruck.
- Dr. Alessandrini has comprehensive expertise in Cardiac arrhythmias, Coronary artery disease, Myocardial infarction, Heart failure, Pacemaker- and ICD therapy, Interventional electrophysiology, etc.
- He has composed multiple articles and presentations for national and international publications.
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