Best Obesity bariatric surgeons in Turkey: TOP 117 doctors

Name Surname : Alpaslan TERZİ

Birthplace - Year : 1974

Academic Title : Prof. Dr.

Foreign Language : English

Education

M.S. - Faculty of Medicine - Akdeniz University / 1999

Ph.D./S.Qualification/ Medical Specialization - General Surgery - İnönü University / 2004

Associate Professor General Surgery / 2011

Work Experience

Dr. Res. Assoc. - İnönü University / 1999-2004

Op.Dr. -Gemerek State Hospital / 2004-2005

Lecturer - Harran University Faculty of Medicine / 2005-2005

Medical Second Lieutenant - Adana Military Hospital / 2005-2006

Assist. Prof. Dr. - Harran University Faculty of Medicine / 2006-2011

Assoc. Prof. - Harran University Faculty of Medicine / 2011-2014

Assoc. Prof. - Zirve University EBN Faculty of Medicine / 2014-2016

Assoc. Prof. - Primary Hospital (part-time) / 2015-2016

Prof. Dr. - Zirve University EBN Faculty of Medicine / 2016-

Assoc. Prof. - Medikalpark Batman Hospital / 2016-2018

Assoc. Prof. - Private Zilan Hospital / 2018-2020

Assoc. Prof. - Özel Batı Hospital / 2020-

Associations and NGOs Membership

Turkish Surgical Association

Endocrine Surgery Association

Turkish Medical Association

Certificates Received

Experimental Animal Use Certificate

Experimental Cell Culture Certificate

Scientific Congresses and Courses Attended

Breast Diseases Congress 2015- Antalya

7th National Endocrine Surgery Congress 2015-Antalya

13th Medical-Surgical Endocrinology Postgraduate Education Course 2014-Antalya

19th National Surgery Congress 2014-Antalya

6th National Endocrine Surgery Congress 2013-Antalya

18th National Surgery Congress 2012- İzmir

17th National Surgery Congress 2010- Ankara

Course on Ethical Approach in Clinical Research. Gaziantep-2009

VI. National Trauma and Emergency Surgery Congress. Antalya-2007

3rd Çukurova Colo-Proctology & Stoma-Therapy Symposium. Adana-2007

Basic Statistics-e Course. 2007

XXI. Gevher Nesibe Medical Days IV. Experimental and Clinical Research Congress. Kayseri-2003

XXI. Gevher Nesibe Medical Days IV. Experimental and Clinical Research Congress Experimental Tumor Generation and Cell Culture Techniques Course. Kayseri-2003

XIX. Regional Surgery Congress. Malatya-2003

Turkish Hepato-Pancreato-Biliary Surgery Association Regional Meeting. Erzurum-2002

2023 – Istanbul Gaziosmanpaşa Taksim Education and Research Hospital – General Surgery Clinic Associate Professor

2013 – Istanbul Gaziosmanpaşa Taksim Education and Research Hospital – General Surgery Clinic Specialist

2008 – 2013 Private Medical Park Fatih Hospital, General Surgery Specialist - Deputy Chief Physician

2005 – 2007 Private Gelişim Hospital – General Surgery Specialist

2003 – 2005 Private Istanbul Şafak Hospital – General Surgery Specialist - Chief Physician

2002 – 2003 ISTANBUL HASEKİ EDUCATION AND RESEARCH HOSPITAL – General Surgery Clinic Assistant Physician

1998 – 2002 Ankara Education and Research Hospital – General Surgery Clinic Assistant Physician

1998 – Health Sciences University – Istanbul Haseki Health Application and Research Center – Medical Specialization

1991 – Gazi University Faculty of Medicine – Bachelor’s Degree

Certificates

IGM Diagnosis, Treatment Workshop, Granulomatous Mastitis, Kocaeli, Certificate, 07.10.2023 (National)

ibreast 51- Free Flap Reconstruction, Breast Cancer Surgery, Online, Certificate, 30.09.2023 – 30.09.2023 (International)

ibreast 50- Triple Negative Breast Cancer, Breast Cancer, Online, Certificate, 02.09.2023 -02.09.2023 (International)

ibreast 49- Implant Based Reconstruction, Breast Cancer, Online, Certificate, 12.08.2023 -12.08.2023 (International)

ibreast 48- DCIS, İbreast 48- DCIS, Online, Certificate, 15.07.2023 -15.07.2023 (International)

ibreast 47- Conference Updates, Breast Cancer, Online, Certificate, 25.06.2023 -25.06.2023 (International)

ibreast 46- Margin Revisited, Breast Cancer, Online, Certificate, 10.06.2023 -10.06.2023 (International)

1. International 4. National Breast Surgery Congress, Breast Surgery, Ürgüp, Certificate, 05.05.2023 – 07.05.2023 (International)

ibreast 44- HER2 Positive Disease, Breast Cancer, Online, Certificate, 29.04.2023 -29.04.2023 (International)

St-Gallen 2023, St-Gallen Congress Summary Meeting, Istanbul, Certificate, 01.04.2023 -01.04.2023 (National)

ibreast 43- Save The Nipple, Breast Cancer, Online, Certificate, 25.03.2023 -25.03.2023 (International)

ibreast 42-Chest Wall Perforator Flap Revisited, Breast Cancer, Online, Certificate, 25.02.2023 -25.02.2023 (International)

ibreast 41- High Risk And B3 Lesions, Breast Diseases, Online, Certificate, 28.01.2023 -28.01.2023 (International)

15. New Approaches in Breast Cancer Education Meeting, Breast Cancer, Istanbul, Certificate, 07.01.2023 – 08.01.2023 (National)

Articles she wrote and took part in;

1.YILDIRIM EMİNE, BEKTAŞ SİBEL, YETİŞ FIRAT, YILDIZ EREN OZAN, ÖZDEMİR MUHAMMED, KOMUT NESLİHAN, ÇALIK MUSTAFA, ER AHMET MUZAFFER. Correlation between breast and axillary pathologic complete response after neoadjuvant chemotherapy in breast cancer. Annali Italiani di Chirurgia, 2023

2.UZUN NEDİM, YILDIRIM EMİNE. Relationship Between Toilet Type and Hemorrhoids. Bezmialem Vakif University, 2022

3.YILDIZ EREN OZAN, YILDIRIM EMİNE, ORHUN ERDOĞAN KIVILCIM, ERYILMAZ İKLİL, YÜNLÜEL EMİR MEHMET, YETİŞ FIRAT, ULUKENT SUAT CAN. The effect of the covid 19 pandemic on the number of patients treated for acute and complex acute appendicitis. Annali Italiani di Chirurgia, 2202

4.YILDIRIM EMİNE, BEKTAŞ SİBEL, ÖZDEMİR MUHAMMED, KARAGÜLLE AHENK, ER AHMET MUZAFFER, UÇAR NEŞE. Upgrade Rates of DCIS, Intraductal Papilloma, and the Other High-risk Breast Lesions. Hamidiye Medical Journal, 2022
 

5.ÖZKAN GÜMÜŞKAYA PERİHAN, ALTUN ÖZGÜR, KARAKÜTÜK YÜZTAŞ NUR, ÖZSOY NESLİHAN, AYDIN TUTAK GÜLTEN, YILDIRIM EMİNE, ADAŞ MİNE, KÜÇÜK MEHMET. COVID-19 Pnömonisi Sonrası AntiHBs Değerlerindeki Değişiklikler. Journal of Contemporary Medicine, 2022;12(4), 

6.KOMUT NESLİHAN, BEKTAŞ SİBEL, YILDIRIM EMİNE. The relationship of tumor budding with GOLPH3 expression and histopathological prognostic parameters in colorectal adenocarcinoma. Annals of Diagnostic Pathology 2022 Jun;58:151933. 

7.KAYADİBİ YASEMİN, UÇAR NEŞE, AKAN YEŞİM NAMDAR, KAYA MEHMET FATİH, YILDIRIM EMİNE, ALADAĞ KURT SEDA, SOYLU BOY FATMA NUR, TAŞKIN FÜSUN, İÇTEN GÜL ESEN. Magnetic resonance imaging findings associated with recurrence in idiopathic granulomatous mastitis. Clinical Imaging, 2022

8.YILDIRIM EMİNE, KEĞİN MURAT, ÖZDEMİR MUHAMMED, BEKTAŞ SİBEL, PELEN ZEKERİYA, ER AHMET MUZAFFER. Neoplasms of theAppendix; Single Institution and Ten-Year Experiences Results. Turkish Journal of Trauma and Emergency Surgery, 2022;28(3), 352-360

9.YILDIRIM EMİNE, YILDIZ EREN OZAN, ERYILMAZ İKLİL, ER AHMET MUZAFFER, BEKTAŞ SİBEL. Comparison of excised breast volume, re-excision rate and margin positivity in breast-conserving surgery in breast cancer patients using and not using neoadjuvant chemotherapy. Journal of Surgery in Medicine,2022;6

10.YILDIRIM EMİNE, BEKTAŞ SİBEL, PELEN ZEKERİYA, YANIK İREM, ER AHMET MUZAFFER, ÇENGEL FERHAT, ÖZKAN GÜMÜŞKAYA PERİHAN. Histopathological, Radiological, and Demographic Factors Predicting the Response to Neoadjuvant Therapy for Rectal Cancer. Journal of Gastrointestinal Cancer, 2022;53(1)

11.KAYADİBİ YASEMİN, KOÇAK BURAK, UÇAR NEŞE, AKAN YEŞİM NAMDAR, YILDIRIM EMİNE, BEKTAŞ SİBEL. MRI Radiomics of Breast Cancer: Machine Learning-Based Prediction of Lymphovascular Invasion Status. Academic Radiology, 2022;29(1), 126-134.

12.YILDIRIM EMİNE, UÇAR NEŞE, YETİŞ FIRAT, KAYADİBİ YASEMİN, BEKTAŞ SİBEL. Diagnostic performance of breast imaging with ultrasonography, magnetic resonance and mammography in the assessment of residual tumor after neoadjuvant chemotherapy in breast cancer patients. Journal of Surgery and Medicine, 2022;6(1), 43-48

13.YILDIRIM EMİNE, BEKTAŞ SİBEL, GÖKTAŞ AYDIN SABİN, ER AHMET MUZAFFER, YANIK İREM, ÖZKAN GÜMÜŞKAYA PERİHAN, YILMAZ BARBAROS UTKU, BİLİCİ AHMET, ÖNCEL MUSTAFA. Factors Predicting Response to Neoadjuvant Chemotherapy in Locally Advanced Gastric Cancer. Journal of Istanbul Faculty of Medicine / İstanbul Tıp Fakültesi Dergisi, 2022;85(1), 41-50. 

14.YILDIRIM EMİNE, Pelen Zekeriya, KEĞİN MURAT, UÇAR NEŞE, KAYADİBİ YASEMİN, GÜNDOĞAR ÖZGECAN. Evaluation of the Reliability of Preoperative Ultrasonography and Ultrasonography-Guided Fine Needle Aspiration Biopsy in Axillary Staging in Patients With Breast Cancer. Journal of Academic Research in Medicine, 2021;11(3), 269-276., 

15. KAYADİBİ YASEMİN, UÇAR NEŞE, KAYA MEHMET FATİH, YILDIRIM EMİNE, BEKTAŞ SİBEL. Characterization of Suspicious Microcalcifications on Mammography Using 2D Shear-Wave Elastography. Ultrasound in Medicine & Biology, 2022;47(9), 2532-2542. 

16.KAYADİBİ YASEMİN, TEKCAN ŞANLI DENİZ ESİN, UÇAR NEŞE, YILDIRIM EMİNE, ŞANLI AHMET NECATİ. Evaluation of the Appearance Characteristics of Suspicious Microcalcifications Detected by Ultrasonography. Journal of Academic Research in Medicine, 2022;11(2), 199-205. 

17.YILDIRIM EMİNE, ÖZER HİLAL, ÖZER İLTER, KOYUNCU ADİL, YILDIRIM TİMUR. The Effects on Bacterial Translocation and Tissue Damage of Selenium Treatment in an Experimental Intestinal Ischaemia-Reperfusion Model. Turkish Journal of Trauma and Emergency Surgery, 2021;27(4), 389-394. 

18.YILDIRIM EMİNE, AKBAŞ PELİN, ORHUN ERDOĞAN KIVILCIM, BEKTAŞ SİBEL, ÖZKAN GÜMÜŞKAYA PERİHAN, ER AHMET MUZAFFER, PALTURA CEKİ. The comparison of the histopathological results of the thyroid fine-needle aspiration biopsies in the 795 patients with thyroidectomy. Diagnostic Cytopathology, 2021

Professor 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.

Born in 1982 in Istanbul, Dr. Fatih Can Karaca completed his high school education at Bahçelievler Super High School in 2000 and then entered Cerrahpaşa Medical Faculty, graduating in 2006. During his medical training, he was a key player on the faculty's basketball team, winning the 14 March Medical Tournament twice.

In 2007, he began his residency in General Surgery at Istanbul University, developing a keen interest in laparoscopic surgery. He contributed to Turkey's first laparoscopic metabolic surgery for Type 2 diabetes at the Special Metabolic Surgery Clinic in 2009. He continued his education in metabolic surgery at Universal Hospitals’ Taksim German Hospital in 2011 and completed his residency in General Surgery in 2012.

From 2012 to 2014, Dr. Karaca worked as a General Surgery Specialist at Kanuni Sultan Suleyman Training and Research Hospital, followed by a role at a Metabolic Surgery Clinic in Şişli from 2014 to 2017. He gained extensive experience in obesity surgery and the surgical treatment of diabetes during this period. In 2015, he became a lecturer at Istanbul Bilgi University, sharing his knowledge and experiences with younger colleagues, and he was promoted to Assistant Professor in 2016 and Associate Professor in 2021.

Dr. Karaca has held various positions as a General Surgery Specialist in different hospitals, where he established obesity clinics and performed numerous successful surgeries. He is an active member of several professional organizations, including the International Federation for the Surgery of Obesity (IFSO) and the Turkish Obesity Surgery Association (TOSS).

An avid sports enthusiast, particularly in basketball and soccer, Dr. Karaca encourages his patients to incorporate sports into their lives. He also enjoys chess and nature walks. He is proficient in English, married, and a father of two.

Dr. Karaca has participated in numerous national and international conferences on obesity surgery, where he has presented his findings and experiences. He has published numerous scientific articles in prestigious international journals in the field of obesity surgery.

Dr. Erdem Can Yardımcı, MD

Accredited Metabolic, Bariatric, and Weight-Loss Surgeon

Dr. Erdem Can Yardımcı is a highly skilled, accredited bariatric surgeon with extensive experience in metabolic, bariatric, and weight-loss surgery. He earned his medical degree from the prestigious 19 Mayıs University Faculty of Medicine in Samsun (2005-2011) and completed his surgical specialization at Antalya Training and Research Hospital (2013-2018). Over the years, he has become a trusted expert in performing complex surgical procedures.

Dr. Yardımcı has served in prominent positions, including at Istinye University Bahçeşehir Liv Hospital's Organ Transplant Clinic in Istanbul (2021-2022) and Tokat Medical Park Hospital (2020-2021). Since 2022, he has been an essential part of the Clinics United team in Antalya, where he continues to transform lives through safe and effective bariatric surgeries.

As an accredited bariatric surgeon, Dr. Yardımcı has participated in numerous international training programs and conferences, staying at the forefront of the latest advancements in obesity surgery. His dedication to patient care, combined with his continuous professional development, ensures that every patient receives world-class treatment and compassionate support throughout their journey.

Doç. Dr. Edip Erdal

Bariatric Surgeon

Education

Associate Professorship Training

2014
General Surgery

Undergraduate Education

1997 - 2003
Abant İzzet Baysal University

Experience

2024 -
ClinicExpert - Bariatric Surgeon

2020 - 2021
Istanbul Başakşehir Çam and Sakura City Hospital - General Surgery Clinic

2018 - 2020
Istanbul Büyükçekmece State Hospital

2013 - 2018
Diyarbakır Gazi Yaşargil Training and Research Hospital - General Surgery Clinic

2010
Surgery, Surgery Observership - OHIO, USA

Certificates

Bariatric Surgery Application Certificate
Endoscopy Application Certificate
Neuromonitorization in Surgery Training
Oncoplastic Breast Surgery Certificate

Skills

Bariatric Surgery (Gastric Sleeve, Gastric Bypass, Bipartition)
Laparoscopic Surgery
Breast and Endocrine Diseases
Endoscopic Procedures
Gastrointestinal Surgery
Gastric Balloon

Applied Treatments:

• Laparoscopic Surgery
• Breast Cancer and Breast Diseases Treatment
• Gastrointestinal System Surgery
• Obesity Surgery
• Metabolic Surgery (Type 2/Diabetes Treatment)
• Cancer Surgery
• Endocrine Surgery
• Treatment of Anorectal Diseases

Education and Expertise

1990 - 1996 - Hacettepe University Faculty of Medicine

Experience
1996 - 2000 - SSK Outer Door Training Hospital
2001 - 2003 - Arhavi SSK Hospital
2003 - 2006 - Borcka SSK Hospital
2007 - 2022 - Private Eregli Anatolian Hospital

2022 - Private Silivri Anatolian Hospital

To prevent numbers in text from being perceived as phone numbers, you can format the numbers as follows. This process does not change the overall structure of the text, but it does change the perception:

• You can add spaces or dashes for the years : For example, 1983-1990 → 1983 - 1990 or 1983–1990.
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Let me give the text in an edited form:

Education and Expertise
Istanbul University Faculty of Medicine; 1983 - 1990, Bachelor's, Master's degree
Istanbul University Faculty of Medicine, Department of General Surgery, Haydarpaşa Numune Training and Research Hospital, Doctorate/Licensing Qualification/Expertise in Medicine; 2001 - 2006

Education Abroad
Hepato Biliary Pancreatic Surgery Division, Artificial Organ and Transplantation Division Department of Surgery, Tokyo University Hospital. Tokyo-Japan M.Makuuchi, N.Kokudo, 2008

Experience
Research assistant Assistant Dr. Istanbul Faculty of Medicine, Department of General Surgery, Istanbul University (6 months)
Haydarpaşa Numune Training and Research Hospital General Surgery Clinic, Istanbul 2000 / 2006
Observer Hepatobiliary and Pancreatic Surgery Division, Artificial Organ and Transplantation Division, Department of Surgery, Tokyo University Hospital. Tokyo - Japan 2007.2008 (4 months)
Expert Dr. Haydarpaşa Numune Training and Research Hospital, General Surgery Clinic and Liver Transplantation Unit, Istanbul 2006 / 2010
Expert Dr. ERCP and Surgical Endoscopy Unit, Haydarpaşa Numune Training and Research Hospital, Istanbul 2008.2010

Expert Dr. Private Sector (Private Çengelköy Safa Hospital Istanbul, Private Medivia Hospital – Istanbul) 2010 - 2013
Fellow (Organ Transplantation Unit) İnönü University Faculty of Medicine, Department of General Surgery, Organ Transplantation Institute - Malatya (Liver and Kidney Transplantation) 2013 - 2014
Fellow (Organ Transplantation Unit) İnönü University, Faculty of Medicine, Department of General Surgery, Organ Transplantation Institute - Malatya (Kidney Transplantation) 2013.2015
Expert Dr. Via Hospital 2014 - 2015
Chief Assistant TR University of Health Sciences, Ümraniye Training and Research Hospital General Surgery Service 2015 - 2017
Expert Dr. Via Hospital 2017.2018
Expert Dr. Medikalpark Gebze 2018.2018
Expert Dr. Delta Hospital Kucukyali 2018 / 2022
Expert Dr. Lokman Hekim Hospital 2022 / 2022
Faculty Member Dogus University 2020 -
Expert Dr. VM Medical Park Pendik Hospital 2022 -

This format prevents the system from recognizing the phone number, while not impairing the readability of the text.

Education:

Eskişehir Osmangazi University Faculty of Medicine (1998-2004)

Ankara Atatürk Training and Research Hospital (2005-2010 General Surgery

Specialist Training)

Institutions He Works for:

Ankara Atatürk Training and Research Hospital

Malatya Darende Hulus Efendi State Hospital

Malatya Private EGM Hayat Hospital

Malatya Private Park Hospital

Antalya Private Life Hospital Group

Antalya Private ASV Life Hospital

Publications and Articles:

Extremely rare presentation of an omphalomesenteric cyst in a 61-year-old

patient

Recep Aktimur, Uğur Yaşar, Elif Çolak, Nuraydın Özlem

Turk J Surg. 2017; 33(1): 43–44.

Effects of preoperative nutritional support on colonic anastomotic healing in

malnourished rats

Rıza Haldun Gündoğdu, Uğur Yaşar, Pamir Eren Ersoy, Emre Ergül, Semra

Işıkoğlu, Atilla Erhan

Ulus Surgical Magazine 2015; 31(3): 113–117. Published online 2015 Sep.

Master Thesis:

The effect of preoperative nutrition on colonic anastomosis healing in

malnourished rats.

Certificates and Courses :

Metabolic Surgical Procedures with Video Demonstrations Course (12-15

October 2017)

Obesity and metabolic diseases surgery winter school (26 February 2018)

Bariatric and Metabolic Surgery Symposium (3-4 December 2018)

Nutritional support in Cancer (ESPEN Long-Life-Learning Programme,

22/11/2009)

Nutritional Support in intensive Care Unit (ICU) Patents (ESPEN Long-

Life-Learning Programme, 01/04/2009)

Nutritional Support in the Perioperative Period (ESPEN Long-Life-

Learning Programme, 01/04/2009)

Approach to Paranteral Nutrition (PN) (ESPEN Long-Life-Learning

Programme, 22/11/2009) Thyroid Surgery Course (Ankara Surgery

Association )

Thyroid Cancer Surgery Course (Turkish Surgical Society 12 September

2009)

Akut Gastrointestinal Bleeding and Treatument Course (Ankara Surgery

Association 10 January 2009)

Abdominal Wall Hernias Course (Ankara Surgery Association 10 January

2009)

Burn Course (Ankara Surgery Association 11 April 2009)

Experimental Surgery Course (5. Surgical Research Congress 10

December 2009)

Total Mesorectal Excision Course (Ankara Surgery Days 14-15 November

2008)

Professional assocations and organizations to which he is a

member:

Turkish Surgery Association

BMCD (Association of Bariatric and Metabolic Surgery)

TOSS (Turkish obesity surgery society)

Special Interests:

Cancer Surgery,

Obesity and Metabolic Surgery

Laparoscopic Surgery

Thyroid Surgery

Awards Received:

2011 KEPAN congress second best paper

2019 Turkey East Awards; The most succesful General Surgeon

of the year.

2020 Altıntaç Awards; Best Obesity Surgeon of the Year Award

Education

• Hacettepe University Faculty of Medicine / 2003
• Şişli Etfal Training and Research Hospital / 2009
•  
•  

Experience

• 2023 - Presently Güneşli Erdem Hospital
• 2021 - 2023 Şişli Etfal Training and Research Hospital
• 2019 - 2021 Bağcılar Training and Research Hospital
• 2017 - 2019 Private Surp Pırgiç Armenian Hospital
• 2011 - 2017 Private Camlica Erdem Hospital
• 2010 - 2011 Göle State Hospital
• 2009 - 2010 Edremit Military Hospital
•  
•  

Professional Memberships

TTB-Istanbul Medical Chamber

Turkish Surgery Association

Turkish Colon and Rectum Surgery Association

Turkish Hepato-Pancreato-Biliary Surgery Association

Procedures Performed

• Laparoscopic gastric cancer, colon cancer and rectal cancer operations
• Laparoscopic anti-reflux surgery
• Laparoscopic appendectomy (appendicitis)
• Laparoscopic cholecystectomy (gallbladder)
• Endocrine Surgery
• Gastroenterology Surgery
• Tube Stomach Surgery
• Gastric Bypass
• Gastric Balloon
• Swallowable Gastric Balloon
• hemorrhoid disease
• Anal fissure-fistula disease
• inguinal hernia
• incisional hernia
• umbilical hernia
• anal abscess
• hair transplant surgery

• Education

Postgraduate: General Surgery Department, Marmara University  – İstanbul Specialization Training, 2002-2007

University: Marmara University Faculty of Medicine – İstanbul, 1995-2002

• Associate Professor: Bagcilar training and research Hospital, 2017

Experience

• 2019-Now Çamlıca Erdem Hospital/Istanbul
• 2014 – 2019  Bağcılar Training and Research Hospital / Istanbul
• 2012 - 2014  Özel Duygu Hospital /İstanbul
• 2010 – 2012  Viranşehir Public Hospital / Şanlıurfa
• 2007- 2009     Military Service- Ambulance helicopter doctor, Malatya
•  

Editorial Board Membership

• Asian Journal of Research and Reports in Gastroenterology
• Advances in Weight Loss Management and Medical Devices
• Journal of General Surgery
• American Journal of Liver & Clinical Research(AJLCR)

Association Memberships 

• Turkish Surgery Association
• Bariatrik ve Metabolik Cerrahi Derneği
• Turkey Obesity Surgery Society
• Istanbul Medical Chamber
• National Endoscopic Laparoscopic Surgery Association (ELCD)
• International Federation For The Surgery Of Obesity And Metabolic  Disorders (IFSO)

Procedures Performed

• Laparoscopic and Open Malignant Stomach Operations
• Small Intestine Operations
• Large Intestine Operations
• Rectal Disease Operations
• Laparoscopic and Open Benign Stomach Procedures
• Laparoscopic and Open Hernia Repair Operations
• Laparoscopic and Open Appendectomy Operations
• Laparoscopic and Open Cholecystectomy Operations
• Laparoscopic and Open Splenectomy Operations
• Laparoscopic and Open Anti-Reflux Procedures
• Laparoscopic and Open Endocrinology Procedures
• Sleeve Gastrectomy and Gastric Bypass Surgeries
• Oncoplastic Benign and Malignant Breast Surgeries
• Thyroid Surgery for Benign and Malignant Diseases
• Perianal Region Procedures (fissure, fistula, pilonidal sinus)
• Placement and Removal of Gastric Balloons
• Endoscopic and Surgical Placement of Feeding Tubes in the Stomach
• Gastroscopy and Colonoscopy Procedures
• Liver Surgery

Diseases Treated

• Obesity Disorders
• Benign Thyroid Diseases and Tumors
• Benign Diseases and Tumors of the Esophagus
• Benign Diseases and Tumors of the Breast
• Benign Stomach Diseases (Reflux Disease) and Tumors
• Benign Diseases (Meckel and other diverticula) and Tumors of the Small Intestine
• Benign Diseases (diverticula) and Tumors of the Large Intestine
• Benign Diseases and Tumors of the Rectum
• Perianal Region Diseases (fissure, fistula, hemorrhoids, abscess, pilonidal sinus)
• Benign Liver Diseases and Tumors

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.

Dr. Mehdi is a highly experienced bariatric surgeon, renowned for his expertise in weight loss surgeries and his dedication to improving the health and well-being of his patients. With years of specialized training and extensive practice, he has successfully performed numerous life-changing procedures, helping individuals achieve significant and sustainable weight loss. Dr. Mehdi combines advanced surgical techniques with a patient-centered approach, ensuring that every procedure is carefully tailored to meet the unique needs and health goals of each individual. His expertise includes a range of bariatric procedures, such as gastric bypass, sleeve gastrectomy, and revisional surgeries, all designed to provide effective and lasting results. Known for his compassionate care, Dr. Mehdi works closely with patients throughout their journey, offering guidance, support, and education to help them embrace a healthier lifestyle. His exceptional outcomes and commitment to excellence have earned him a reputation as a trusted leader in bariatric surgery, attracting patients seeking transformative solutions to obesity and related health challenges.