Gallbladder and bile duct surgery
Breast disease treatment and surgery
Anal region disease treatment and surgery (hemorrhoids, anal fissure, perianal abscess and fistula surgery)
Obesity treatment (Gastric balloon, botox and surgical treatment)
Thyroid diseases and surgical treatment
Hernia surgery (open and laparoscopic) (groin, umbilical, wound hernias)
Colon, rectum, stomach diseases and surgical treatment
Endoscopic diagnosis and treatment interventions (gastroscopy, colonoscopy, ercp, peg)
2009- Atlas University Medicine Hospital
2004-2009 Tosya State Hospital
1994-2004 Taksim Education and Research Hospital
1999-2004 Taksim Education and Research Hospital General Surgery Clinic
1992-1998 Istanbul University Istanbul Faculty of Medicine
Courses and Conferences
Bakırkoy Dr. Sadi Konuk Education and Research Hospital General Surgery Clinic Endoscopy Unit Videoendoscopy Application Certificate (March 2006)
Read moreDr. Javier Centeno obtained his Doctorate in Medicine and Surgery from the University of Barcelona in 1988 and completed his specialization in General and Gastrointestinal Surgery at the Hospital de Mutua de Terrassa between 1989 and 1993.
Afterwards, Dr. Centeno completed additional training in the colorectal surgery department at the Mayo Clinic de Rochester, Minnesota (USA). Since 1993, Dr. Centeno has been a leading specialist in the surgery department at the Teknon Medical Center.
Clinical and scientific work:
Co-organizer of the Seminar on Endorectal Ultrasound Diagnostics. Advances in Colon, Rectum and Anus Surgery. Barcelona. March 1995.
"Visiting Surgeon" in the Department of Colorectal Surgery, Cleveland Clinic Florida, Fort Lauderdale, Florida, USA, February 1996.
Advanced Course in Laparoscopic Colorectal Surgery. ICARD. EITS, Strasbourg. November 2002.
Postgraduate student, associate professor of the Department of Urogynecoproctological Physiotherapy.
School of Nursing and Physiotherapy, University of Blanquerna. Ramon Llull University. Barcelona. 2003 2015
Accreditation by ERAS-Society (Sweden) in 2016.
Member of scientific communities:
Asociación Española de Cirujanos
· Societat Catalana de Cirurgia
· American Society of Colon and Rectal Surgeons y de la University of Minnesota Alumni Association.
Read moreProfessor Burhan Mayir isespecially interested in metabolic and bariatric surgery, also. He performs single port (scarless) sleeve gastrectomy, gastric by pass procedures and revisional bariatric surgeries. He has experience about metabolic-bariatric surgery, gastro-esophagus reflux surgery, endoscopic thyroid surgery (scarless thyroidectomy), cancer surgery, hernia surgery, adrenal gland surgery, other gastrointestinal surgical procedures, liver surgery, spleen surgery, hemorrhoid surgery and anal fissure surgery. He has speeches in various congresses and meetings, over 60 articles published in national and international refereed journals, and over 100 abstracts presented at congresses.
Read moreProf. Dr. Alaettin Çelik graduated from Adapazarı İlyaslar Primary School in 1960, from Haydarpaşa High School in 1966, and from Istanbul University Faculty of Medicine in 1972. In the same year, he became an assistant in the 2nd Surgery Department of the Faculty of Medicine. Between November 1975 and February 1976, he completed his military service for 4 months at the Gelibolu Military Hospital as a Reserve Officer. In 1977, he became a General Surgery Specialist in the Department of Surgery.
To establish the pediatric surgery department at the faculty and to specialize further, he worked as a registrar at the University of London's "The Hospital for Sick Children" from 01.12.1978 to 01.12.1980. After returning to the faculty, he continued his pediatric surgery studies and became an associate professor in 1982.
In the same year, he was appointed as the founding chairman of the Pediatric Surgery Department at Istanbul Faculty of Medicine on 06.09.1982. He established the department, which included a 30-bed inpatient unit, an ICU, a polyclinic, and an operating room for students, assistants, and specialists. In 1988, he became a professor. In addition to leading the Pediatric Surgery Department, he served as the Vice President of the Department of Surgical Medical Sciences between 1990 and 1995. From 1995 to 1998, he was the Head of the Department of Surgical Medical Sciences at Istanbul Faculty of Medicine.
He is a specialist in General Surgery, Pediatric Surgery, and Pediatric Urology. He has numerous cited and published clinical and experimental research articles, case reports, expert theses, and free papers presented at domestic and international congresses. He is the author of several books, including Pediatric Surgery Book of Pediatric Surgery (2014), Newborn Surgery (2008), and Pediatric Surgery Book (2013).
He is a member of various professional medical associations, including the Turkish Ministry of Health Pediatric Surgery Society. He established, developed, and trained a large number of students, assistants, specialists, and faculty members at the Istanbul Faculty of Medicine, Department of Pediatric Surgery. He left the Department of Pediatric Surgery in 2013 and retired due to age limits on 16.03.2016. His contracted working period at the same faculty ended on 22.10.2016. He continues to work as a Pediatric Surgery Specialist at Istanbul Florence Nightingale Hospital and participates in weekly meetings of the Council of Children's Tumors.
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General Surgeon
Graduated (M.D. From)
Doctor of Medicine, Faculty of Medicine, Chiang Mai University
Perform operations involving the endocrine system, gastrointestinal tract, liver, colon, and other major parts of the human body. Surgeons usually work full-time and may frequently work long hours at irregular times
Certificates
Certificate of General Surgery, Faculty of Rajavithi Hospital
Current Positions
General Surgeon at Intrarat Hospital
Read moreEducation and Experience
Dr. Ramazan Gökhan Atış, born in Istanbul in 1978, graduated from Cağaloğlu Anatolian High School in 1996. He completed his medical education at Çapa Faculty of Medicine in 2002. Between 2002 and 2008, he received his specialization training at the Istanbul Şişli Etfal Training and Research Hospital Department of Urology, and obtained the title of Urology Specialist in February 2008. After working at Edremit Military Hospital between 2008 and 2009, he started working as a Urology specialist at Istanbul Göztepe Training and Research Hospital in 2009. In 2011, he underwent a 3-month Laparoscopy-Robotic Urology training at Heidelberg University Heillbronn Clinic. Between 2009 and 2014, he conducted numerous scientific research studies, especially in the field of endourology, and obtained the title of Associate Professor in September 2014. In 2017, he was elected as a board member of the Endourology Society and has been serving in this position since then. Since 2018, he has been actively involved in the Endourology working group of the European Association of Urology, Young Academic Urologists (EAU-YAU) Committee for a period of 2 years. In January 2021, he was appointed as a Professor at the Istanbul Medeniyet University Department of Urology.After that started working at Şişli Memorial Hospital in 2022. Prof. Dr. Ramazan Gökhan Atış, has more than 100 articles published in national and international journals.
Administrative Duties
Memberships in Scientific Organizations
Dr. Davut Demir, a General Surgery specialist, is skilled in laparoscopic surgery, oncological surgery, trauma surgery, and morbid obesity surgery. He graduated from Istanbul University Cerrahpaşa Faculty of Medicine and currently practices at Lokman Hekim Van Hospital. Dr. Demir has previously worked at Ağrı Patnos State Hospital and Istanbul Hospital, gaining extensive experience across various surgical disciplines. His expertise allows him to offer advanced and comprehensive surgical care, with a strong focus on minimally invasive techniques and complex procedures for optimal patient outcomes.
Read moreI’m Dr. Enrique Pliego Esquivel, a surgeon specializing in bariatric and metabolic surgery with over 8 years of experience transforming lives through advanced surgical solutions. I am proud to be one of the few bariatric surgeons in Mexico who is a member of the American Society for Metabolic and Bariatric Surgery (ASMBS). I am also certified by the Mexican Board of Obesity Surgery and the Mexican College of General Surgery.
My primary focus is providing comprehensive care to patients dealing with obesity, obesity-related conditions such as diabetes and hypertension, as well as managing complications from bariatric surgery. I also treat gastroesophageal reflux and reflux-related esophagitis, offering tailored solutions that significantly enhance my patients' quality of life.
Patients often highlight my professionalism, empathy, and dedication to understanding their unique needs. I take the time to listen and fully grasp their goals because I believe every case deserves a personalized approach and a clear path toward success.
My priority isn’t to see the most patients—it’s to deliver exceptional care and outstanding results for each individual. I am deeply committed to quality, staying accessible, and maintaining close communication with my patients throughout their journey.
If you’re looking for expertise, compassion, and results you can trust, I’m here to help you take the first step toward a healthier, happier life.
Read moreDoctor's visit | price on request |
Incisional hernia repair | $3500 - $5500 |
Assoc. Prof. Dr. Güner ÇAKMAK is a highly skilled and experienced specialist in General Surgery, currently practicing at Lokman Hekim University İstanbul Hospital. With a medical degree earned from Haydarpaşa Numune Hospital in 1997, he has built an extensive career, focusing on various advanced surgical techniques. His areas of expertise include laparoscopic surgery, bariatric and metabolic surgery, hepatopancreatobiliary surgery, and various types of laparoscopic gastrointestinal surgeries, including those for hernias, reflux, and esophageal issues. He is also highly experienced in hemorrhoid surgery and surgeries for anal fistulas and fissures.
Throughout his career, Dr. Çakmak has made significant contributions to medical literature, having published over 43 articles in international peer-reviewed journals and 16 in national journals. He is also the author of 20 technical notes, case reports, and research articles. His commitment to advancing medical knowledge is reflected in the numerous awards he has received, with a total of 9 prizes recognizing his exceptional work in surgery. Fluent in Turkish, English, and German, Dr. Çakmak offers comprehensive care to his patients, employing the latest minimally invasive techniques to ensure the best outcomes.
At Lokman Hekim University İstanbul Hospital, he continues to provide expert care, focusing on complex surgeries, with an emphasis on laparoscopic and metabolic procedures. His work is marked by a dedication to patient well-being and continuous professional development, making him a trusted choice for individuals seeking high-quality surgical care in Turkey.
Read moreName-Surname: İbrahim Aliosmanoğlu
DOB: 08.02.1979
EDUCATION Degree Dept Univercity Year MD Medicine Uludağ Unv.Faculty of Medicine
1996-2002 Residency programe General Surgery Başkent Unv.Faculty of Medicine 2003-2008
POST-GRADUATE TRAINING Op.Dr. Surgeon in Şanlıurfa Training and Research Hospital
2009-2010 Assistant Profesor Dicle Unv.Faculty Of Medicine General Surgery Dept 2010-2013 Associate Profesor Akdeniz Unv.Faculty Of Medicine General Surgery Dept
2013-2014 Associate Profesor Akdeniz Unv.Faculty Of Medicine General Surgery Dept
2014-2016 Professor Medicalpark Hospital Complex Organ Transplantation Unit 2019- He has performed over 2000 various hepatobiliary surgeries with %95 success ratio and 1000 liver transplantation surgeries with %90 success ratio
ROJECTS 1. Effect of ellagic aside on experimental intraabdominal addsions on rats,Research Project, Dicle Unv Scientific Research Project (2012/38), 2012.
2. Effect of erythropoetinon serum and liver zinc-copper levels on rats experimental obstructive jaundice. Research Project, Dicle Unv Scientific Research Project (2011/42), 2011.
3.The protective effect of cafeic asside phenyl ester on rats pancreatic an hepatic damage due to izoniazide and riphampicine.Research project Dicle Unv Scientific Research Project (2010/26), 2010.
MANAGEMENT İSSUES
Responsible of Kidney Transplantation of Dicle Unv Hospitals– 2011 Responsible of Akdeniz University Hospital Hastanesi Liver-Kidney-Pancreas Transplantation Unit (2015) Manager of Akdeniz University Hospital Hastanesi Liver-Kidney-Pancreas Transplantation Unit (2015)
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Professor, Dr. med. Andreas Kirschniak
Head of the Clinic of General and Visceral Surgery
Head of the Certified Colon Oncology Center
MBA in Healthcare
Specialization:
Robot-assisted surgery
Oncological surgery
Minimally invasive surgery
Endocrine surgery
Scientific activity:
Minimally invasive surgery: research in the field of reducing access trauma and development of innovative surgical intervention methods.
Robotic Surgery: Developed the foundations for the practical implementation of robotic technologies in oncological surgery worldwide.
Surgical Technology and Training: He has led the Surgical Technology and Training Working Group since 2010. His work has led to the development of new surgical instruments and training methods that are used worldwide.
Publications:
Since 2018, he has been co-chairman of the editorial board of the journal “Zentralblatt für Chirurgie”, responsible for the section “Training and Professional Development”.
Author of numerous scientific articles in leading medical journals on the topics of minimally invasive surgery, robotic surgery and surgical technologies.
Membership in professional societies:
Head of the Department for the Support of Young Surgeons at the Association of German Surgeons since 2018, engaged in the development and support of the young generation of surgeons.
German Society for General and Visceral Surgery
Association of German Surgeons
European Association for Endoscopic Surgery
German Society for Incontinence
Academy of the German Society for General and Visceral Surgery
Awards and achievements:
Innovation Prize of the German Society for General and Visceral Surgery - for outstanding achievements in minimally invasive and robotic surgery.
Scientific Prize of the German Cancer Society for research work in the field of oncological surgery.
Read moreProf. Dr. Samet Yardımcı
Obezite ve Metabolik Cerrahi, Gastroenteroloji Cerrahisi, Genel Cerrahi Uzmanı
İlk ve orta öğrenimini Antakya’da tamamladıktan sonra 1997 yılında Ankara Üniversitesi Tıp Fakültesi’ne kabul edilerek Tıp eğitimine başladı. 2003 yılında Tıp fakültesinden mezun olduğu sene tıpta uzmanlık sınavını kazanarak Haydarpaşa Numune Eğitim ve Araştırma Hastanesi’nde Genel Cerrahi asistanlığına başladı.
2008-2009 yıllarında Amerika Birleşik Devletleri’nin Houston kentinde MD Anderson kanser merkezi’nde ve Memorial Herrman hastanelerinde kanser cerrahisi ve organ nakli konularında eğitim aldı. Türkiye’ye döndükten sonra 2009 yılında yapılan genel cerrahların katıldığı yan dal sınavında Türkiye birincisi oldu. Bu sınav başarısının peşinden 2009-2012 yılları arasında Türkiye Yüksek İhtisas Hastanesi’nde Gastroenteroloji Cerrahisi (sindirim sistemi cerrahisi) eğitimi aldı.
2012 yılında Türkiye’nin en genç Gastroenteroloji Cerrahı oldu ve Marmara Üniversitesi Pendik Eğitim ve Araştırma Hastanesine atandı. 2012 – 2018 yılları arasında, Marmara Üniversitesi Tıp Fakültesi öğrencilerine ve genel cerrahi asistanlarına birçok ders verdi, hastalara yönelik ve cerrahlara yönelik birçok eğitim faaliyetinde rol aldı. İleri laparoskopik cerrahi, Obezite ve Metabolik cerrahi alanında çalıştı, ayrıca organ nakli ve İnflamatuar barsak hastalıkları cerrahisi ünitelerinin kurulmasında aktif olarak rol aldı. 2017 mart ayında yapılan sınavla Doçent ünvanınına layık görüldü.
Read moreMedical Specialization: General Surgery, Istanbul University Istanbul Faculty of Medicine, 2008-2013
Faculty of Medicine: Marmara University Faculty of Medicine (English), 2000-2007
Associate Professor Doctor: General Surgery, Istanbul University Istanbul Faculty of Medicine, 2024-Present
Associate Professor: General Surgery, Biruni University Hospital, 2024-Present
General Surgery Specialist: Istanbul University Istanbul Faculty of Medicine, 2016-2024
General Surgery Specialist: Biruni University Faculty of Medicine, 2023-2024
General Surgery Specialist: Kırkağaç State Hospital, Manisa, 2014-2016
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
1991 to 1997 Istanbul University Cerrahpaşa Faculty of Medicine
1998 to 2003 Ministry of Health Göztepe Training and Research Hospital
Experience
1997 to 1998 Van Edremit Health Center
1998 to 2003 Ministry of Health Göztepe Training and Research Hospital, Resident Doctor
2004 to 2007 Sivas State Hospital, General Surgery Clinic, Specialist Doctor
2007 to Present Medical Park Bahçelievler Hospital, Associate Professor
Professional Memberships
-Turkish Medical Association
-Turkish Surgical Society
-Society of Bariatric and Metabolic Surgery
-Turkish Society of Colon and Rectal Surgery
-Society of Endocrine Surgery