Dr. Osman Aktas has been serving as a general surgeon at Ataşehir Avicenna Hospital since 2005. Born in Kayseri in 1960, he graduated with his medical degree from Ankara University in 1983. Following his graduation, he fulfilled his military service in medical units for two years. He completed his general surgery residency at GATA from 1986 to 1990. After specializing in general surgery, He held key positions as head of general surgery departments and chief physician in several prominent military hospitals, including Tatvan, Diyarbakır, Ankara, and Manisa.
Dr. Osman has had a special focus on endoscopic surgery since 1995. He received advanced training in laparoscopic surgery techniques in Germany and has successfully performed a wide range of laparoscopic procedures. His expertise extends to gallbladder surgery, abdominal wall and inguinal hernia repairs, appendicitis, reflux and stomach surgeries, as well as complex cases such as gastrointestinal tumors, intestinal obstructions, and various other intestinal diseases, all managed through minimally invasive methods.
In 2002, Dr. Osman transitioned to the private sector, where he broadened his practice to include modern treatments for anal diseases like hemorrhoids, fistulas, and fissures, utilizing advanced techniques such as laser therapy.
Dr. Osman is also recognized for his significant contributions to oncological surgery. He has a wealth of experience in the surgical treatment of various cancers, including breast and thyroid cancer, where he has implemented new treatment methods that reduce the risk of complications. His surgical expertise spans critical cancer surgeries, such as the Whipple procedure for pancreatic cancer, colorectal cancer resections, gastric cancer, and other complex malignancies. Additionally, his skills in metabolic surgery have led to lasting outcomes for patients suffering from obesity and diabetes, ensuring a better quality of life through sustained weight loss and reduced risk of diabetes.
With his vast experience and advanced skills in both laparoscopic and cancer surgeries, Dr. Osman remains at the forefront of surgical excellence, offering innovative and comprehensive care to all his patients.
Read moreDr. Osman Aktas has been serving as a general surgeon at Ataşehir Avicenna Hospital since 2005. Born in Kayseri in 1960, he graduated with his medical degree from Ankara University in 1983. Following his graduation, he fulfilled his military service in medical units for two years. He completed his general surgery residency at GATA from 1986 to 1990. After specializing in general surgery, He held key positions as head of general surgery departments and chief physician in several prominent military hospitals, including Tatvan, Diyarbakır, Ankara, and Manisa.
Dr. Osman has had a special focus on endoscopic surgery since 1995. He received advanced training in laparoscopic surgery techniques in Germany and has successfully performed a wide range of laparoscopic procedures. His expertise extends to gallbladder surgery, abdominal wall and inguinal hernia repairs, appendicitis, reflux and stomach surgeries, as well as complex cases such as gastrointestinal tumors, intestinal obstructions, and various other intestinal diseases, all managed through minimally invasive methods.
In 2002, Dr. Osman transitioned to the private sector, where he broadened his practice to include modern treatments for anal diseases like hemorrhoids, fistulas, and fissures, utilizing advanced techniques such as laser therapy.
Dr. Osman is also recognized for his significant contributions to oncological surgery. He has a wealth of experience in the surgical treatment of various cancers, including breast and thyroid cancer, where he has implemented new treatment methods that reduce the risk of complications. His surgical expertise spans critical cancer surgeries, such as the Whipple procedure for pancreatic cancer, colorectal cancer resections, gastric cancer, and other complex malignancies. Additionally, his skills in metabolic surgery have led to lasting outcomes for patients suffering from obesity and diabetes, ensuring a better quality of life through sustained weight loss and reduced risk of diabetes.
With his vast experience and advanced skills in both laparoscopic and cancer surgeries, Dr. Osman remains at the forefront of surgical excellence, offering innovative and comprehensive care to all his patients.
| Doctor's visit | price on request |
| Whipple surgery | $15712.98 - $17808.04 |
| Thyroid resection | $4713.89 - $7332.72 |
| Prostatectomy | $7332.72 - $15712.98 |
MSc Faculty of Medicine (ING) Hacettepe University 1991-1997
Specialization Department of Pediatrics Dicle Universityniversitesi 1997-2002
Minor Cerrahpaşa Faculty of Medicine Pediatric Hematology & Oncology Department Istanbul University 2006-2009
Bone Marrow Transplant Unit MP Göztepe Hospital 2012-2013
Assistant Professor
Afyon Kocatepe University/Faculty of Medicine/Internal Medical Sciences
2003-2009 Department/ÇDepartment of Pediatrics)
Assistant Professor
Istanbul University/Cerrahpaşa Faculty of Medicineltesi/Internal Medical Sciences
2006-2009 Department of Pediatrics)
Pediatric Hematology Specialist Diyarbakır Children's Hospital, Pediatric Hematology compulsory service 2009-2012
Transfer Ünitesi Assistant Hematology Specialist Private Medical Park Göztepe Hospital Bone Marrow Transplant Unit Assistant Responsible Pediatric Hematology Specialist
2012-2013
Assistant Professor
Akdeniz University / Faculty of Medicine / Department of Internal Medical Scienceslümü/Department of Pediatrics)
2013-2014
Assistant Professor Marmara University/Faculty of Medicine/Department of Internal Medical Sciences/Department of Pediatrics) 2014-2024
Turkish Society of Hematology
Turkish Pediatric Hematology Association
Marmara Pediatric Association
Turkish Pediatric Society
Istanbul Medical Chamber
E (European Bone Marrow Transplantation)
Read more
MSc Faculty of Medicine (ING) Hacettepe University 1991-1997
Specialization Department of Pediatrics Dicle Universityniversitesi 1997-2002
Minor Cerrahpaşa Faculty of Medicine Pediatric Hematology & Oncology Department Istanbul University 2006-2009
Bone Marrow Transplant Unit MP Göztepe Hospital 2012-2013
Assistant Professor
Afyon Kocatepe University/Faculty of Medicine/Internal Medical Sciences
2003-2009 Department/ÇDepartment of Pediatrics)
Assistant Professor
Istanbul University/Cerrahpaşa Faculty of Medicineltesi/Internal Medical Sciences
2006-2009 Department of Pediatrics)
Pediatric Hematology Specialist Diyarbakır Children's Hospital, Pediatric Hematology compulsory service 2009-2012
Transfer Ünitesi Assistant Hematology Specialist Private Medical Park Göztepe Hospital Bone Marrow Transplant Unit Assistant Responsible Pediatric Hematology Specialist
2012-2013
Assistant Professor
Akdeniz University / Faculty of Medicine / Department of Internal Medical Scienceslümü/Department of Pediatrics)
2013-2014
Assistant Professor Marmara University/Faculty of Medicine/Department of Internal Medical Sciences/Department of Pediatrics) 2014-2024
Turkish Society of Hematology
Turkish Pediatric Hematology Association
Marmara Pediatric Association
Turkish Pediatric Society
Istanbul Medical Chamber
E (European Bone Marrow Transplantation)
Doctor: Kilis Merkez No. 1 Health Center, 2006-2008
Assistant Doctor: Mersin University Faculty of Medicine, 2009-2013
Specialist Doctor: Bingöl Genç State Hospital, 2013-2014
Minor Assistant: Akdeniz University Faculty of Medicine, 2014-2017
Minor Specialist: Erzurum Regional Training and Research Hospital, 2017-2018
Subspecialist: Gaziosmanpaşa Training and Research Hospital, 2018-2020
Attending Specialist: Başakşehir Çam and Sakura City Hospital, 2020-2022
Associate Professor: Başakşehir Çam and Sakura City Hospital, 2023
Associate Professor: Istinye University Medicalpark Gaziosmanpaşa Hospital, 2023-2024
Turkish Pediatric Society
Turkish Society for Pediatric Gastroenterology Hepatology and Nutrition
ESPGHAN - European Society for Pediatric Gastroenterology Hepatology and Nutrition.
Doctor: Kilis Merkez No. 1 Health Center, 2006-2008
Assistant Doctor: Mersin University Faculty of Medicine, 2009-2013
Specialist Doctor: Bingöl Genç State Hospital, 2013-2014
Minor Assistant: Akdeniz University Faculty of Medicine, 2014-2017
Minor Specialist: Erzurum Regional Training and Research Hospital, 2017-2018
Subspecialist: Gaziosmanpaşa Training and Research Hospital, 2018-2020
Attending Specialist: Başakşehir Çam and Sakura City Hospital, 2020-2022
Associate Professor: Başakşehir Çam and Sakura City Hospital, 2023
Associate Professor: Istinye University Medicalpark Gaziosmanpaşa Hospital, 2023-2024
Turkish Pediatric Society
Turkish Society for Pediatric Gastroenterology Hepatology and Nutrition
ESPGHAN - European Society for Pediatric Gastroenterology Hepatology and Nutrition.
Cumhuriyet University Faculty of Medicine, 2004
Istanbul Haydarpaşa Training and Research Hospital Internal Medicine Residency, 2010
Karadeniz Technical University Faculty of Medicine Medical Oncology Residency, 2015
MD Andeson Cancer Center, USA, 2008
Sunnybrook Odette Cancer Center Breast Cancer Clinic, Canada, 2017
Moffit Cancer Center , USA 2022
Istanbul Haydarpaşa Training and Research Hospital Internal Medicine, 2010
İdil State Hospital Internal Medicine Clinic, 2011
Karadeniz Technical Universityniversitesi Faculty of Medicine, Medical Oncology Clinic, 2015
Istanbul Göztepe Training and Research Hospital, Medical Oncology Clinic, 2018
Yeniyüzyıl University Gaziosmanpaşa Hospital, Medical Oncology Clinic, 2020
Ataşehir Medicana Hospital, Medical Oncology Clinic, 2022
Turkish Medical Association (TTB)
Turkish Society of Medical Oncology (TTOD)
European Society for Medical Oncology (ESMO)
American Society of Medical Oncology (ASCO)
Medical Intrests
Cumhuriyet University Faculty of Medicine, 2004
Istanbul Haydarpaşa Training and Research Hospital Internal Medicine Residency, 2010
Karadeniz Technical University Faculty of Medicine Medical Oncology Residency, 2015
MD Andeson Cancer Center, USA, 2008
Sunnybrook Odette Cancer Center Breast Cancer Clinic, Canada, 2017
Moffit Cancer Center , USA 2022
Istanbul Haydarpaşa Training and Research Hospital Internal Medicine, 2010
İdil State Hospital Internal Medicine Clinic, 2011
Karadeniz Technical Universityniversitesi Faculty of Medicine, Medical Oncology Clinic, 2015
Istanbul Göztepe Training and Research Hospital, Medical Oncology Clinic, 2018
Yeniyüzyıl University Gaziosmanpaşa Hospital, Medical Oncology Clinic, 2020
Ataşehir Medicana Hospital, Medical Oncology Clinic, 2022
Turkish Medical Association (TTB)
Turkish Society of Medical Oncology (TTOD)
European Society for Medical Oncology (ESMO)
American Society of Medical Oncology (ASCO)
Medical Intrests
Prof. Dr. Ümmügül Üyetürk completed her undergraduate and graduate education at Uludağ University Faculty of Medicine between 1988-1994. She specialized in Internal Medicine at Istanbul Training and Research Hospital from 1998 to 2003. Between 2008-2011, she received her subspecialty training in Medical Oncology at Ankara Oncology Training and Research Hospital.
After serving as the deputy chief physician at Suluova State Hospital, she established the Internal Medicine Department and Medical Oncology Science Branch at Bolu Abant İzzet Baysal University between 2011-2020, where she served as the head of the science branch. During this time, she educated resident doctors and students. Üyetürk, who received the title of Associate Professor in 2014, spent 6 months in Canada/Toronto in 2019. In 2020, she was awarded the title of Professor at Abant İzzet Baysal University.
Üyetürk has published over 60 articles in international peer-reviewed journals and has more than 20 scientific works published in national peer-reviewed journals. She also has over 100 presentations that have been delivered at international and national scientific meetings and published in proceedings books. In addition to her membership in the European Society for Medical Oncology, she has memberships in medical oncology associations within the country. She has received more than 10 awards given to her at universities and congresses.
Prof. Dr. Ümmügül Üyetürk completed her undergraduate and graduate education at Uludağ University Faculty of Medicine between 1988-1994. She specialized in Internal Medicine at Istanbul Training and Research Hospital from 1998 to 2003. Between 2008-2011, she received her subspecialty training in Medical Oncology at Ankara Oncology Training and Research Hospital.
After serving as the deputy chief physician at Suluova State Hospital, she established the Internal Medicine Department and Medical Oncology Science Branch at Bolu Abant İzzet Baysal University between 2011-2020, where she served as the head of the science branch. During this time, she educated resident doctors and students. Üyetürk, who received the title of Associate Professor in 2014, spent 6 months in Canada/Toronto in 2019. In 2020, she was awarded the title of Professor at Abant İzzet Baysal University.
Üyetürk has published over 60 articles in international peer-reviewed journals and has more than 20 scientific works published in national peer-reviewed journals. She also has over 100 presentations that have been delivered at international and national scientific meetings and published in proceedings books. In addition to her membership in the European Society for Medical Oncology, she has memberships in medical oncology associations within the country. She has received more than 10 awards given to her at universities and congresses.
Prof. Kıvanç Derya Peker completed his medical education and general surgery specialization at Istanbul University Istanbul Faculty of Medicine (Çapa). After his major specialization, he got his Gastroenterology Surgery Specialization from the Gastroenterology Surgery Clinic of Kartal Koşuyolu Yüksek İhtisas Training and Research Hospital by entering the top 3 in the minor examination.
During his sub-branch assistantship, he received a scholarship from the Turkish Surgery Association and worked at Mayo Clinic (Rochester, USA) Hepatopancreatobiliary Surgery Clinic and Obesity-Metabolic Surgery Clinic. After returning to Turkey, He was one of the founders of the Hepatopancreatobiliary Surgery unit at Bakırköy Dr. Sadi Konuk Training and Research Hospital. Peker provided Hepatopancreatobiliary Surgery training to general surgery residents and gastroenterology surgery residents in this hospital, which is accepted as a training unit by the Turkish HPB Association.
On the other hand; In order to learn , cancer biology, cellular properties of obesity and aging, he did his doctorate and thesis on aging at Istanbul University, Istanbul Faculty of Medicine (Çapa), Department of Medical Biology. Then, he moved to Başakşehir Çam and Sakura City Hospital to establish the Gastroenterology Surgery Clinic.
Especially in his career; He is interested in Pancreatic Diseases and Surgery, Gallbladder and Bile Duct Diseases Surgery, Liver Cancer Surgery, Stomach Cancer Surgery and Obesity-Metabolic Surgery. Peker has carried out many successful operations. He has performed over 400 pancreatic and gastric cancer surgeries, over 200 liver surgeries, many surgeries related to gallbladder and biliary tract diseases, obesity – metabolic surgery and endoscopic treatments, and kidney transplants so far. He is also interested in aging and stem cell treatments.
Prof. Kıvanç Derya Peker completed his medical education and general surgery specialization at Istanbul University Istanbul Faculty of Medicine (Çapa). After his major specialization, he got his Gastroenterology Surgery Specialization from the Gastroenterology Surgery Clinic of Kartal Koşuyolu Yüksek İhtisas Training and Research Hospital by entering the top 3 in the minor examination.
During his sub-branch assistantship, he received a scholarship from the Turkish Surgery Association and worked at Mayo Clinic (Rochester, USA) Hepatopancreatobiliary Surgery Clinic and Obesity-Metabolic Surgery Clinic. After returning to Turkey, He was one of the founders of the Hepatopancreatobiliary Surgery unit at Bakırköy Dr. Sadi Konuk Training and Research Hospital. Peker provided Hepatopancreatobiliary Surgery training to general surgery residents and gastroenterology surgery residents in this hospital, which is accepted as a training unit by the Turkish HPB Association.
On the other hand; In order to learn , cancer biology, cellular properties of obesity and aging, he did his doctorate and thesis on aging at Istanbul University, Istanbul Faculty of Medicine (Çapa), Department of Medical Biology. Then, he moved to Başakşehir Çam and Sakura City Hospital to establish the Gastroenterology Surgery Clinic.
Especially in his career; He is interested in Pancreatic Diseases and Surgery, Gallbladder and Bile Duct Diseases Surgery, Liver Cancer Surgery, Stomach Cancer Surgery and Obesity-Metabolic Surgery. Peker has carried out many successful operations. He has performed over 400 pancreatic and gastric cancer surgeries, over 200 liver surgeries, many surgeries related to gallbladder and biliary tract diseases, obesity – metabolic surgery and endoscopic treatments, and kidney transplants so far. He is also interested in aging and stem cell treatments.
Education and Specialization
Work Experience
Expertise
Education and Specialization
Work Experience
Expertise
| Doctor's visit | price on request |
| Laser surgery | $3000 |
| $1500 - $2000 |
Education and Specialization
Experience
Education and Specialization
Experience
| Doctor's visit | price on request |
| Laser surgery | $3000 |
| $1500 - $2000 |
| Doctor's visit | price on request |
| Laser surgery | $3000 |
| $1500 - $2000 |