All specialties

Prof. Dr. Christian Witt
Medical Oncologist
- Prof. Dr. Christian Witt is a well-experienced Medical Oncologist with more than 36 years in the field.
- He is a Member of the transplant commission for thoracic organs of the German Heart Center Berlin, German Review Board at Eurotransplant (Leiden, NL), and "Pneumatological Oncology" task force of the German Society for Pneumology and Respiratory Medicine.
- He has also been an eminent Pneumatological expert of the examination and monitoring commission of the standing commission for organ transplantation (StäKo) of the German Medical Association (BÄK) and Board member of the Working Group on Pneumatological Oncology (POA) of the German Cancer Society.
- He completed studying dentistry at the Ernst-Moritz-Arndt University of Greifswald in 1974 and later studied human medicine from the same institution in 1980.
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For further training to become a specialist in internal medicine, he studied at the Polyclinic for Internal Medicine of the Medical Faculty (Charité) of the Humboldt, the University of Berlin in 1984.
- Commissioned by the President of the European Parliament as an International Medical Consultant, he holds expertise in managing and treating cancers related to the Lung, Pleura, Esophagus, Stomach, Liver, Gall Bladder, Brain Tumors, Kidney, Prostate, etc.
- He has showcased papers at many national conferences and has published notable articles in peer-reviewed journals.
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For further training to become a specialist in internal medicine, he studied at the Polyclinic for Internal Medicine of the Medical Faculty (Charité) of the Humboldt, the University of Berlin in 1984.
- Prof. Dr. Christian Witt is a well-experienced Medical Oncologist with more than 36 years in the field.
- He is a Member of the transplant commission for thoracic organs of the German Heart Center Berlin, German Review Board at Eurotransplant (Leiden, NL), and "Pneumatological Oncology" task force of the German Society for Pneumology and Respiratory Medicine.
- He has also been an eminent Pneumatological expert of the examination and monitoring commission of the standing commission for organ transplantation (StäKo) of the German Medical Association (BÄK) and Board member of the Working Group on Pneumatological Oncology (POA) of the German Cancer Society.
- He completed studying dentistry at the Ernst-Moritz-Arndt University of Greifswald in 1974 and later studied human medicine from the same institution in 1980.
-
For further training to become a specialist in internal medicine, he studied at the Polyclinic for Internal Medicine of the Medical Faculty (Charité) of the Humboldt, the University of Berlin in 1984.
- Commissioned by the President of the European Parliament as an International Medical Consultant, he holds expertise in managing and treating cancers related to the Lung, Pleura, Esophagus, Stomach, Liver, Gall Bladder, Brain Tumors, Kidney, Prostate, etc.
- He has showcased papers at many national conferences and has published notable articles in peer-reviewed journals.

Prof. Dr. Walter Zidek
Nephrologist
- Prof. Dr. Walter Zidek is a renowned Nephrologist in Germany with 26+ years of experience.
- He has been a member of the Board of the Berlin Medical Society since 2000 and was the Chairman of the Board of the German High Pressure League from 2001 to 2004.
- He has expertise in areas such as Hormone and metabolic diseases, diseases of the thyroid gland, adrenal gland, pituitary gland, endocrine organs, declining renal function, kidney inflammations, genetic kidney diseases, aftercare of kidney transplanted patients, complications of diabetes mellitus in the kidney, etc.
- He has received several awards and recognitions from state and national organizations.
- Dr. Zidek has delivered many lectures at national events and has various pubalications in peer-reviewed journals.
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- Prof. Dr. Walter Zidek is a renowned Nephrologist in Germany with 26+ years of experience.
- He has been a member of the Board of the Berlin Medical Society since 2000 and was the Chairman of the Board of the German High Pressure League from 2001 to 2004.
- He has expertise in areas such as Hormone and metabolic diseases, diseases of the thyroid gland, adrenal gland, pituitary gland, endocrine organs, declining renal function, kidney inflammations, genetic kidney diseases, aftercare of kidney transplanted patients, complications of diabetes mellitus in the kidney, etc.
- He has received several awards and recognitions from state and national organizations.
- Dr. Zidek has delivered many lectures at national events and has various pubalications in peer-reviewed journals.

Dr. Engin Osmanoglou
Interventional Cardiologist
- Dr. Engin Osmanoglou is a leading Cardiologist with an experience spanning nearly two decades in the field of preventing and treating cardiovascular diseases.
- He holds the membership of the German Society for Cardiology, Heart and Circulatory Research (DGK), German Heart Foundation, German Diabetes Society (DDG) and the German Society for Internal Medicine (DGIM).
- Between 1992-1999, Dr. Osmanoglou studied human medicine at the Free University Berlin and Humboldt University, Berlin.
- He is specialised in the treatment of ailments pertaining to transesophageal, transthoracic, Echocardiography, stress echo using pharmacological/dynamic stress and Vascular Doppler method. Some of his other specialisations include exercise ECG, spiroergometry MRI of the heart, thyroid ultrasound, metabolic syndrome, coronary heart disease and abdominal sonography.
- He also additionally treats heart valve defects, cardiac arrhythmias, strokes, diagnosis and therapy of peripheral arterial occlusive disease, hypercholesterolemia and pulmonary hypertension, arterial hypertension. obesity consultation and cardio-pulmonary performance analysis for athletes.
- Dr. Osmanoglou has delivered lectures on echocardiography, cardiology and abdominal sonography.
- He was also appointed as a part-time lecturer for a B.Sc degree in Cardiovascular Perfusion at Steinbeis University, Berlin.
- He has contributed several articles on neurogastroenterology, gastroenterology and motility to reputed magazines.
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- Dr. Engin Osmanoglou is a leading Cardiologist with an experience spanning nearly two decades in the field of preventing and treating cardiovascular diseases.
- He holds the membership of the German Society for Cardiology, Heart and Circulatory Research (DGK), German Heart Foundation, German Diabetes Society (DDG) and the German Society for Internal Medicine (DGIM).
- Between 1992-1999, Dr. Osmanoglou studied human medicine at the Free University Berlin and Humboldt University, Berlin.
- He is specialised in the treatment of ailments pertaining to transesophageal, transthoracic, Echocardiography, stress echo using pharmacological/dynamic stress and Vascular Doppler method. Some of his other specialisations include exercise ECG, spiroergometry MRI of the heart, thyroid ultrasound, metabolic syndrome, coronary heart disease and abdominal sonography.
- He also additionally treats heart valve defects, cardiac arrhythmias, strokes, diagnosis and therapy of peripheral arterial occlusive disease, hypercholesterolemia and pulmonary hypertension, arterial hypertension. obesity consultation and cardio-pulmonary performance analysis for athletes.
- Dr. Osmanoglou has delivered lectures on echocardiography, cardiology and abdominal sonography.
- He was also appointed as a part-time lecturer for a B.Sc degree in Cardiovascular Perfusion at Steinbeis University, Berlin.
- He has contributed several articles on neurogastroenterology, gastroenterology and motility to reputed magazines.

Dr. Simone Fritschi
Cardiac Surgeon
- Dr.Simone Fritschi is a medical professional specialised in the prevention and treatment of Cardiovascular diseases for 17 years. Her treatment includes performing MRI of the heart, Echocardiography, stress echo, Vascular Doppler method. She specialises in treating cardiac arrhythmias, heart failure and heart valve defects.
- Dr. Fritschi holds professional membership of the German Society for Cardiology, European Association for Cardiovascular Imaging and European Society of Cardiology.
- In 2001, Dr. Frtitschi completed her study of Human medicine from Albert-Ludwigs-University Freiburg and the Free University Berlin. The same year she earned the partial license to practice. In 2003, she obtained the final license to practice medicine.
- Dr. Fritschi is an acclaimed medical professional in diagnosing and offering therapy for peripheral arterial occlusive disease. Her practice also includes treatment of pulmonary hypertension, arterial hypertension and hypercholesterolemia. She obtained an additional qualification of a Hypertensiologist in 2013 from the German Hypertension League.
- She has few scholarly articles to her credit.
- Between 2012-19, she was teaching for seven years at various hospitals, centres and university departments.
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- Dr.Simone Fritschi is a medical professional specialised in the prevention and treatment of Cardiovascular diseases for 17 years. Her treatment includes performing MRI of the heart, Echocardiography, stress echo, Vascular Doppler method. She specialises in treating cardiac arrhythmias, heart failure and heart valve defects.
- Dr. Fritschi holds professional membership of the German Society for Cardiology, European Association for Cardiovascular Imaging and European Society of Cardiology.
- In 2001, Dr. Frtitschi completed her study of Human medicine from Albert-Ludwigs-University Freiburg and the Free University Berlin. The same year she earned the partial license to practice. In 2003, she obtained the final license to practice medicine.
- Dr. Fritschi is an acclaimed medical professional in diagnosing and offering therapy for peripheral arterial occlusive disease. Her practice also includes treatment of pulmonary hypertension, arterial hypertension and hypercholesterolemia. She obtained an additional qualification of a Hypertensiologist in 2013 from the German Hypertension League.
- She has few scholarly articles to her credit.
- Between 2012-19, she was teaching for seven years at various hospitals, centres and university departments.
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Dr. Kourosh Peterhansl
Orthopaedic and Joint Replacement Surgeon
- Dr. Kourosh Peterhansl is a Berlin-based Orthopedic with an experience of 16 years in treating hip and knee joints-related ailments, especially those pertaining to pre-aged joint wear. He is an expert in endoprosthetics of the hip and knee joints.
- Between 1995-2004, Dr Peterhansl studied Human medicine at the Christian Albrechts University, Kiel. In 2012, he earned the qualification of a specialist in Orthopedics.
- In 2006, he completed an advanced training course in Arthroscopy.
- He has contributed several articles to publications.
- Dr. Peterhansl continues to regularly participate in in-house training courses.
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- Dr. Kourosh Peterhansl is a Berlin-based Orthopedic with an experience of 16 years in treating hip and knee joints-related ailments, especially those pertaining to pre-aged joint wear. He is an expert in endoprosthetics of the hip and knee joints.
- Between 1995-2004, Dr Peterhansl studied Human medicine at the Christian Albrechts University, Kiel. In 2012, he earned the qualification of a specialist in Orthopedics.
- In 2006, he completed an advanced training course in Arthroscopy.
- He has contributed several articles to publications.
- Dr. Peterhansl continues to regularly participate in in-house training courses.

Dr. Michael Akbar
Spine Surgeon
- Dr. Michael Akbar is a Berlin-based Orthopedic and Trauma Surgery specialist with an experience of over 10 years.
- He holds professional memberships of German Spine Society (DWG) and EUROSPINE, the Spine Society of Europe. He is a member of the Advisory Board of the Bundesverband Skoliose-Selbsthilfe e.V.
- In 1999, he completed his study of Human medicine from the Free University, Berlin. In January 2017, he completed his Habilitation in Orthopedics and Trauma Surgery from University of Heidelberg.
- He is a Spine and Scoliosis specialist offering a wide range treatment options for spinal diseases and injuries. He has performed over 10,000 spine operations independently. He is an expert in treating Degenerative Spinal diseases, Deformities of the spine in children, adolescents and adults, fractures and tumours of the spine and spine-related infections.
- He has authored many publications that have several citations too.
- He is also a reviewer of some reputed scientific journals such as, Der Orthopäde, Journal of Clinical Medicine (JCM), Journal of Orthopedics and Trauma Surgery, PLOS One, PLOS One, Spinal Cord, Journal for Shoulder and Elbow Surgery (JSES) and BMS Surgery.
- He is presently a lecturer at the University of Heidelberg.
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- Dr. Michael Akbar is a Berlin-based Orthopedic and Trauma Surgery specialist with an experience of over 10 years.
- He holds professional memberships of German Spine Society (DWG) and EUROSPINE, the Spine Society of Europe. He is a member of the Advisory Board of the Bundesverband Skoliose-Selbsthilfe e.V.
- In 1999, he completed his study of Human medicine from the Free University, Berlin. In January 2017, he completed his Habilitation in Orthopedics and Trauma Surgery from University of Heidelberg.
- He is a Spine and Scoliosis specialist offering a wide range treatment options for spinal diseases and injuries. He has performed over 10,000 spine operations independently. He is an expert in treating Degenerative Spinal diseases, Deformities of the spine in children, adolescents and adults, fractures and tumours of the spine and spine-related infections.
- He has authored many publications that have several citations too.
- He is also a reviewer of some reputed scientific journals such as, Der Orthopäde, Journal of Clinical Medicine (JCM), Journal of Orthopedics and Trauma Surgery, PLOS One, PLOS One, Spinal Cord, Journal for Shoulder and Elbow Surgery (JSES) and BMS Surgery.
- He is presently a lecturer at the University of Heidelberg.

Dr. med. Johannes Sommermeier
Orthopaedic and Joint Replacement Surgeon
- Dr. med.Johannes Sommermeier is a specialist in Orthopedic and Trauma surgery with an experience of 13 years. The focus of his medical practice is on orthopedics and sports medicine.
- After enrolling for Human medicine at Humboldt University, Berlin in 1999, he cleared his third section of the medical examination in 2006 and began practice in 2007.
- In 2014, he acquired the specialisation in Orthopedic and Trauma surgery from Brandenburg State Medical Association.
- He completed his Doctorate with, 'Animal Experimentation Of Antithrombotic Coated Vascular Prostheses And Their Influence On Intimal Hyperplasia'.
- He has acquired advanced training in specialisation in foot surgery, traumatology, sports medicine, conservative orthopedics, chiropractic, osteopathy and manual therpay among other disciplines.
- He has published a few scholarly articles.
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- Dr. med.Johannes Sommermeier is a specialist in Orthopedic and Trauma surgery with an experience of 13 years. The focus of his medical practice is on orthopedics and sports medicine.
- After enrolling for Human medicine at Humboldt University, Berlin in 1999, he cleared his third section of the medical examination in 2006 and began practice in 2007.
- In 2014, he acquired the specialisation in Orthopedic and Trauma surgery from Brandenburg State Medical Association.
- He completed his Doctorate with, 'Animal Experimentation Of Antithrombotic Coated Vascular Prostheses And Their Influence On Intimal Hyperplasia'.
- He has acquired advanced training in specialisation in foot surgery, traumatology, sports medicine, conservative orthopedics, chiropractic, osteopathy and manual therpay among other disciplines.
- He has published a few scholarly articles.

Dr. med. Pouria Taheri
Orthopaedic and Joint Replacement Surgeon
- Dr.med.Pouria Taheri is a specialist in Orthopedic and Trauma surgery with an experience of 12 years. He also possesses expertise in endoprosthetics of the hip and knee joints.
- In 2008, Dr. Taheri completed his medical education in Berlin and began his practice. In 2014, he earned a Master's degree in 'Hospital Management' from the Christian-Albrechts- University of Kiel. In 2017, he earned his PhD from Charité Universitätsmedizin Berlin.
- Dr. Taheri is an expert at performing joint replacement operations of the hip and knee.
- He has acquired further training in emergency medicine, special traumatology of spine and pelvis, trunk and septic surgery. He has acquired training in extremity trauma and pediatric trauma too.
- He has attended workshops on arthroscopy of shoulder, knee and hip.
- He has published a few papers in renowned publications.
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- Dr.med.Pouria Taheri is a specialist in Orthopedic and Trauma surgery with an experience of 12 years. He also possesses expertise in endoprosthetics of the hip and knee joints.
- In 2008, Dr. Taheri completed his medical education in Berlin and began his practice. In 2014, he earned a Master's degree in 'Hospital Management' from the Christian-Albrechts- University of Kiel. In 2017, he earned his PhD from Charité Universitätsmedizin Berlin.
- Dr. Taheri is an expert at performing joint replacement operations of the hip and knee.
- He has acquired further training in emergency medicine, special traumatology of spine and pelvis, trunk and septic surgery. He has acquired training in extremity trauma and pediatric trauma too.
- He has attended workshops on arthroscopy of shoulder, knee and hip.
- He has published a few papers in renowned publications.
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