Page 2 - Best bariatric surgeons in Istanbul: TOP 43 doctors

Education

Ondokuz Mayıs University Faculty of Medicine (1991)

KTÜ Faculty of Medicine Farabi Hospital (Specialization.1998)

Istanbul University Çapa Faculty of Medicine (Laparoscopic Surgery Training, 2002)

Istanbul University Çapa Faculty of Medicine (Laparoscopic Antireflux Surgery Training, 2006)

Istanbul University Cerrahpaşa Faculty of Medicine (General Surgery Clinic Advance Laparoscopic Surgery, Laparoscopic Bariatric Surgery, Morbid Obesity and Oncological Cancer Surgery Training, 2010i)

Dr. Gokhan Yilmaz is an experienced general surgeon with nearly 20 years in medical practice. He is known for his skill in complex surgical procedures. He earned his Master’s Degree from Istanbul University Çapa Faculty of Medicine. He completed his Doctorate in General Surgery at Okmeydanı Training and Research Hospital, one of Turkey’s leading institutions.

Dr. Yilmaz worked as a General Surgery Specialist at Zonguldak Atatürk State Hospital for 5 years. He then served at Sancaktepe Şehit Prof. Dr. İlhan Varank Training and Research Hospital for 3 years. In these roles, he managed a wide range of surgical cases. He also served as an Assistant Professor at Istanbul Medipol University, where he trained future surgeons and contributed to research.

Dr. Yilmaz is currently part of the General Surgery Department at Medipol University Pendik Hospital. He provides advanced treatments and high-quality patient care. His experience in state hospitals, research centers, and universities highlights his dedication to surgical excellence and patient safety.

Assoc. Prof. Dr. Vahit Mutlu is a skilled general surgeon at Memorial Ataşehir Hospital in Istanbul with over 12 years of clinical and academic experience. His expertise covers bariatric, gastrointestinal, endocrine, and proctological surgeries. Dr. Mutlu has authored numerous scientific publications and actively contributes to medical research and education.

General Surgery 

Colorectal Surgery 

Obesity and Metabolic Surgery 

Medical Director 

Brief Curriculum Vitae 

I was born in Trabzon on 15.07.1969. After I attended Ismetpaşa Primary School and Cumhuriyet Secondary School, I was graduated from Trabzon High School. I had medical education and training in School of Medicine of Karadeniz Technical University from 1986 to 1992. I worked as medical practitioner in Alacahan subdistrict, Kangal District, Sivas City in 1992-1993 and in Sivas Police Headquarters to fulfill the conscription. I was assigned as Health Group Manager and Medical Practitioner in Dernekpazarı District of Trabzon in 1993-1994. I passed the Examination for Medical Specialty in 1995 and I had my residency training and education at Department of General Surgery in Istanbul School of Medicine of Istanbul University from 1995 to 2000. I was awarded the title of “General Surgeon” after I submitted the medical specialty thesis titled “Relationship between gastrointestinal tumors and HLA” in 2001. After I worked at a privately owned hospital in 2000-2002, I started working in General Surgery Clinic of Bakırköy Dr. Sadi Konuk Training and Research Hospital in 2003. I had rotation in General Surgery Clinic of School of Medicine in Istanbul University for 9 months in 2007. I was awarded the title “Associate Professor of General Surgery” in 2010. I undertook Management duties in Şişli Hamidiye Etfal Training and Research Hospital from November 2012 to December 2013 and in Bakırköy Dr. Sadi Konuk Training and Research Hospital from December 2013 to April 2015. I had been Head of Education and Administrative Affairs, General Surgery clinic at Bakırköy Dr. Sadi Konuk Training and Research Hospital since 2010. I am Medical Director and General Surgeon at VM Medical Park Florya Hospital in Istanbul Aydın University as of 2017. 

I have intentionally dealt with renal transplantation during my residency education. After I was awarded the title “medical specialist”, I participated to diagnostic & therapeutic endoscopy, bariatric surgery, laparoscopy and robotic surgery educations abroad for short periods. I am intensively dealing with any and all laparoscopic surgical procedures (especially bariatric and gastrointestinal system surgery) and diagnostic and therapeutic endoscopic procedures (gastroscopy, colonoscopy, ERCP, endoscopic ultrasound) in this clinic since 2003 and I also play the role of trainer. I do and train others about General Surgery procedures with Da Vinci Robotic system since 2010. 

I authored 74 papers that are published in SCI and SCI-e journals and 55 papers that are published in local journals, along with 7 book chapters and 86 papers presented in local congresses and 180 papers presented in international congresses. 

I am member of Turkish Surgical Association, Turkish Association of Trauma and Emergency Surgery, Turkish Association of Endoscopic – Laparoscopic Surgery, Turkish Association of Obesity Surgery, Turkish Transplantation Centers Coordination Association and Istanbul Surgical Association. I am also member of International Active Member of Society of American Gastrointestinal Endoscopic Surgeons (SAGES), International Active Member of European Association for Endoscopic Surgery (EAES), International Active Member of International Association of Surgeons, Gastroenterologists, Oncologists (IASGO), International Active Member of International School of Surgical Oncology (ISSO), International Active Member of International Federation Surgical Obesity (IFSO). 

Date of Birth: July 15th, 1969 

Educational Status: 

Bachelor’s Degree School of Medicine Karadeniz Technical University 1992 

Medical Specialty Department of General Surgery, Istanbul School of Medicine İstanbul University 2001 

Title of Medical Specialty Thesis (abstract is attached) and Supervisor: 

1. “Relationship between gastrointestinal tumors and HLA”. February 2001 Supervisor: Prof. Uluğ Eldegez, M.D. 

General Surgeon Büyük Anadolu Hospital 2001-2003 

General Surgeon Bakırköy Dr Sadi Konuk Training and Research Hospital 2003-2006 

General Surgeon Istanbul University Emergency Surgery Clinic, Department of General Surgery, Istanbul School of Medicine 2006-9 months 

General Surgeon Bakırköy Dr Sadi Konuk Training and Research Hospital 2006-2010 

Associate Professor of General Surgery Bakırköy Dr Sadi Konuk Training and Research Hospital 2010-…

Head of Training and Administrative Affairs, General Surgery Clinic Bakırköy Dr Sadi Konuk Training and Research Hospital 2010 - …

 Doctorate thesis / proficiency in art studies supervised: 

1. Ede, B., “Changes in Thyroid Hormones After Thyroid Surgery”, Bakırköy Dr Sadi Konuk Training and Research Hospital 2006. 

2. Dodur B., “Factors Influencing Mortality and Morbidity in Gastrointestinal Bleeding” Bakırköy Dr Sadi Konuk Training and Research Hospital 2006. 

Duties undertaken in Projects: 

1. “Enteral Stents for Colonic Obstructions (ESCO): Prospective, randomized European multisentric study, comparing enteral stent followed by elective surgery versus emergency surgical treatment in malignant colonic obstruction. “ European Association for Endoscopic Surgery (EAES) Clinical Trial Center (CTC) Clinical Trial gov. Identifier: NCT00591695 

2. A phase III, randomized, double-blind, parallel group efficiency and safety study that compares safety and efficiency of oral dabigatran etexilate (150 mg BID) with warfarin (INR = 2.0-3.0) in semiannual treatment of acute symptomatic thromboembolism following initial treatment with a parenteral anticoagulant agent, which is approved for the relevant indication, minimum for five days – RECOVER II” Protocol code 1160.46

Editorialships: 

1. General Surgery Department, Advisory Board, Turkish Clinics Medical Sciences Journal, 2010 

2. “Global Journal of Surgery” Editorial Board 2010 

Scientific Organization Memberships: 

1. Turkish Surgical Association 

2. Association of Trauma and Emergency Surgery 

3. Turkish Association for Endoscopic and Laparoscopic Surgery 

4. Turkish Obesity Surgery Society 

5. Organ Transplantation Centers Coordination Association 

6. Istanbul Surgical Association 

7. International Active Member of Society of American Gastrointestinal Endoscopic Surgeons (SAGES). 

8. International Active Member of European Association for Endoscopic Surgery (EAES) 

9. International Active Member of International Association of Surgeons, Gastroenterologists, Oncologists (IASGO). 

10. International Active Member of International School of Surgical Oncology (ISSO). 

11. International Active Member of International Fedaration Surgical Obesity (IFSO)

Dr. İlhami Soykan Barlas was born in the year 1977 in Istanbul Moda. He is graduated from Kadıköy Anadolu High School and Cerrahpaşa Faculty of Medicine. He was awarded the title of General Surgery Specialist after completing his general surgery specialization in Okmeydanı Training and Research Hospital in the year 2008. 

He went to Scotland 2 times in the years 2006-2007 and received advanced laparoscopic education. He awarded with ‘Certificate of Appreciation’ by the Ministry of Health of the Republic of Turkey in the year 2009 for his contributions to the establishment of Dr. Lütfi Kırdar Training and Research Hospital Burn Center and for his related works. 

After completing his compulsory service at Kastamonu İnebolu State Hospital between the years 2009-2011, resigned from his duty at the state owned institutions, returned to Istanbul and started to work in private sector. He has been working as kidney transplant and general surgery specialist in Florence Nightingale group of hospitals since the year 2013. Since the year 2017, he has been serving as academic Doctor Lecturer in Faculty of Medicine of Demiroğlu Science University. He has more than 20 articles published in national and international journals in general surgery and kidney transplant and more than 30 proceedings that are submitted in national and international congresses. 

He also has been the book editor and chapter author on kidney transplant and he also has been chapter author in various surgery books. Dr Soykan Barlas has been awarded the title ‘General Surgery Associate Professor’ in the year 2020. Currently, he has been working within the organization of Medical Park Group of Hospitals .

 EXPERIENCES 

 İstanbul Okmeydanı Training and Research Hospital 2003-2008 (Specialization Education ) 

 İstanbul Lütfi Kırdar Kartal Training and Research Hospital 2009 

 İnebolu State Hospital 2009-2011 (Compulsory Service Duty) 

 Private Hospitalium Şişli Hospital 2012-2013 

 Şişli Florence Nightingale Hospital Kidney and Pancreas Transplant Center 2013-2020 

 Demiroğlu Science University Faculty of Medicine Surgery Department Lecturer 2017- Present 

 İstanbul Florence Nightingale Hospital Kidney and Pancreas Transplant Center 2020- Present 

 Private Osmanoğlu Hospital Şişli 2020-2022 Medical Park Göztepe Hospital 2022- present.

SCIENTIFIC ARTICLES 

1.Soykan Barlas,ArzuAkan,YavuzEryavuz,GirayYavuz,SedatKamalı,Gülçin Kamalı: PrimaryHydatidosis of thegluteusmuscle:Report of a caseandreview of theliterature. Ind JSurg.2016; 78(2): 161–162. 

2.Metin Kement, Hakan Ahmet Acar, İlhami Soykan Barlas, Nihat Aksakal, Cem Gezen, Uygar Düzci, Mustafa Öncel: Clinical evaluation of a temporaryfecalcontainmentdevicefornonsurgicalfecaldiversion in perinealburns. Ulus Trauma Emergency Surgery Journal. 2011; 17(2): 123-127 

3.Bilgin Y, Hot S,BarlasIS,AkanA,Eryavuz Y:Short andlongtermresults of harmonicscalpelhemorrhoidectomyversusstaplerhemorrhoidopexy in treatment of hemorrhoidaldisease. Asian J Surg. 2015;38(4):214-9. 

4.Sinangil A, Celik V, Barlas S, Sakaci T, Koc Y, Basturk T, Akin EB, Ecder T. NewOnsetDiabetesAfterKidneyTransplantationandPretransplantHypoma gnesemia.ProgTransplant. 2016 Mar;26(1):55-61. doi: 10.1177/1526924816633949. 

5.Sinangil A, Celik V, Barlas S, Altunrende F, Akin EB, Ecder T. CalcifiedDouble J StentafterSequentialLiverandRenalTransplantationAssociatedtoprim aryOxalosis: Case Report. BANTAO journal, 2015;13(2), 97-99. 

6.Sinangil A, Celik V, Barlas S, KuskuCabuk F, Akin EB, Ecder T. A veryraretumor in a renaltransplantdonorcandidate: primarymesentericneuroendocrinetumor.InternationalJournal Of AdvancesIn Case Reports, 2015;2(4):244-249 

7.Sinangil A, Celik V, Barlas S, Akin EB, Ecder T. Shouldtransplantureter be stentedroutinelyor not?EurRevMedPharmacolSci. 2014;18(23):3551-6. 

8.Sinangil A, Celik V, Barlas S, Koc Y, Basturk T, Sakaci T, Akin EB, Ecder T. Theincidence of newonsetdiabetesaftertransplantationandrelatedfactors: Singlecenterexperience. Nefrologia, 2017;37(2):181-188. 

9.Akin EB, Aydogdu I, Barlas IS. Introducing RobotAssistedLaparoscopicDonorNephrectomyAfterExperienceInHandAssistedRetroperitoneoscopicApproach. TransplantProceedings 2019;51, 2221-222. 

10. Barlas IS, Aydogdu I, Sinangil A, Atan Ucar Z, Koc Y, Sardogan C, Akin EB. IncisionalComplicationsandCosmetic Evaluation AfterHand-AssistedRetroperitoneoscopicDonorNephrectomy. TransplantProceedings 2019; 51, 2215-2220. 

11. Barlas IS, Aydogdu I, Sinangil A, Atan Ucar Z, Koc Y, Ecder T, Akin EB. HandAssistedNephretomyPredisposesIncisionalHerniationInObeseL ivingDonors. TransplantProceedings 2019; 51, 2210-2214. 

12.Sinangil A, Atan Ucar Z, KocY, Barlas IS, Abouzahir S,Ecder ST, Akin EB. TheOutcome of DesensitizationTherapy in Immunologically High-risk KidneyTransplantation: Single-Center Experience. TransplantProceedings 2019; 51, 2268-2273 

13.GodeOguten E, Barlas IS, Akin EB. MentalDistressSymptomsand Life SatisfactionamongLivingKidneyDonors: FrequencyandAssociationwithSubjectiveEvaluations. TransplantProceedings 2019; 51, 2232-2236 

14. Atan Ucar Z,Sinangil A, Koc Y, Barlas IS, AbouzahirS, Ecder T, Akin EB. TheClinicalPrognosis Of TheRenalRetransplantPatients: A Single Center Experience. TransplantProceedings 2019;51, 2274- 2278. 

15. Barlas IS, Demir M, Akın EB. A single-center nineyearexperience in pediatrickidneytransplantation. Cumhuriyet MedicalJournal 2020; 42 (1), 126-135

Dr. Mehmet Mehdi Deniz is an Associate Professor and general and bariatric surgeon at Vital Hospital. He has over 15 years of surgical experience, starting his career in 2008. His main areas of expertise are bariatric surgery, hernia repair, gastrointestinal disorders, and minimally invasive procedures. He performs Roux-en-Y gastric bypass and advanced laparoscopic surgeries.

Dr. Deniz is also an active medical researcher. He has co-authored more than nine international peer-reviewed publications, which have received over 180 citations. He holds the Turkish Surgical Association’s Competency Certificate (2011) and is a member of the Turkish Surgical Association, BMCD, and Turkish Medical Association.

As an educator, Dr. Deniz has taught key courses to more than 250 medical students. He has also attended over ten advanced surgical workshops. This shows his dedication to ongoing learning and surgical innovation.

Dr. Ersan Eroglu is an Associate Professor and general surgery specialist. He has served at Memorial Bahçelievler Hospital since 2018. He has been an Assistant Professor at Istanbul Bilim University since 2014. He also lectures at Istanbul Arel University since 2023. He earned his MD from Fırat University. He completed his general surgery residency at Haydarpaşa Numune.

He has authored 16 scientific articles. He has 25 national and 3 international congress presentations. He won First Prize in Turkey for laparoscopic right hemicolectomy in ileocecal neuroendocrine tumors. He contributed a translation to the SAGES Hernia Repair Manual (laparoscopic TEP/TAPP). He is a member of the Turkish Medical Association, the Turkish Surgical Society, and the Colon and Rectal, Bariatric and Metabolic, and Endocrine Surgery societies.

Dr. Derya Zengin Metli is a physician specialized in physical therapy and rehabilitation. She graduated from Akdeniz University Faculty of Medicine. Her practice includes physical therapy and physiotherapy services. She also consults in English.

Her clinical scope includes musculoskeletal rehabilitation for back, neck, and joint pain, and herniated discs. She provides neurological rehabilitation for stroke and multiple sclerosis. She also offers post-surgical rehabilitation after orthopedic and neurosurgical procedures, sports injury prevention and treatment, and chronic pain management for fibromyalgia and arthritis.

Dr. Baris Demiriz is a general and bariatric surgeon in Turkey. He has 15 years of experience in laparoscopic and bariatric surgery. He has published many articles in national and international journals.

Dr. Demiriz is a member of IFSO, the Turkish Obesity Surgery Association, and the National Society of Endoscopical Laparoscopic Surgery. He earned his medical degree from Istanbul University Istanbul Faculty of Medicine in 2001. He completed his general surgery training at Bakırköy Dr. Sadi Konuk Training and Research Hospital in 2007.

Dr. Yahya Özel is a highly experienced general surgeon with expertise in bariatric surgery, hepatobiliary diseases, abdominal hernias, endocrine surgery, and oncological surgery. He completed his medical education at Istanbul University, Istanbul Faculty of Medicine in 1990 and pursued his specialization in General Surgery at Haydarpaşa Numune Training and Research Hospital between 2001 and 2006. His commitment to advanced surgical techniques led him to further training at Tokyo University Hospital, Japan, in the Hepato-Biliary-Pancreatic Surgery and Artificial Organ Division under renowned experts M. Makuuchi and N. Kokudo.

Throughout his career, Dr. Özel has worked at prestigious institutions, including Istanbul University Faculty of Medicine, Haydarpaşa Numune Training and Research Hospital, and Ümraniye Training and Research Hospital. His extensive experience includes roles in ERCP and surgical endoscopy, as well as advanced laparoscopic and robotic surgery. In addition to his clinical practice, he has served as an academic faculty member at Doğuş University, contributing to the education and training of future medical professionals.

Dr. Özel holds several certifications in surgical endoscopy, including the Turkish Surgical Proficiency Certificate. His dedication to minimally invasive surgical techniques, obesity treatment, and hepatobiliary surgery has made him a sought-after specialist in his field. With a career spanning over three decades, he continues to provide high-quality, patient-centered surgical care, ensuring the best outcomes through his expertise and innovative approach.

Education:

• Bachelor of Science (MD): Faculty of Medicine, Uludag University, 1989

Specialized Education and Experience:

• General Surgery Specialist Degree: Ankara Numune Training and Research Hospital, 1997
• Fellowship: Gastroenterology Surgery, Türkiye High Specialization Hospital, 2005

Academic Career:

• Associate Professor: General Surgery, Inonu University, 2011
• Professorship: General Surgery, İnönü University, 2017

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)

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

Dr Nimet Ozcan is a dermatologist with over 10 years of experience. She graduated from the Erciyes University Faculty of Medicine in 2008. She completed her dermatology specialization at Ankara Numune Training and Research Hospital in 2014. She provides care in both medical and cosmetic dermatology.

Clinical focus: acne, eczema, psoriasis, and fungal and bacterial infections. Dermato-oncology with early detection and surgical excision of suspicious lesions. Dermal fillers, chemical peels, and mesotherapy. Laser treatment for vascular lesions, pigmentation disorders, and hair removal. Pediatric dermatology. Languages: English.

Dermatologist Dr. Osman Serdar Akkaya graduated from Çukurova University Faculty of Medicine in 1981. He completed his dermatology specialization there in 1985. He has more than 35 years of experience and is among the most senior dermatologists in the region.

His practice includes general dermatology, such as psoriasis, eczema, acne, vitiligo, and urticaria. He focuses on dermato-oncology and performs surgery for benign and malignant skin tumors. He also offers cosmetic dermatology, including fillers, mesotherapy, and chemical peels. He provides laser and light-based treatments for vascular lesions, pigment disorders, scars, and hair removal. He treats geriatric skin conditions and chronic skin diseases.

Dr. Murat Erol is a general dentist with over 20 years of clinical experience. He graduated from Ege University Faculty of Dentistry in 2002. He provides care in English.

He offers preventive care and restorative treatments, including aesthetic fillings, crowns, and bridges. He also performs root canal therapy. His aesthetic services include whitening, composite bonding, and smile design. He provides fixed and removable prosthetics. His plans focus on oral function and natural aesthetics. Each treatment is tailored to the patient.

Dyt. Yaren Nur Güngör is a dietitian. She graduated from the Faculty of Nutrition and Dietetics. She provides evidence-based, personalized nutrition counseling in English. She designs tailored programs for health promotion, disease management, and weight control.

Her clinical focus includes diet plans for diabetes, heart disease, thyroid disorders, and other metabolic issues. She also guides weight loss and gain and improves body composition. She offers sports nutrition and nutrition care for children and teens. She provides preventive nutrition with lifestyle counseling. Her approach is patient-centered and motivating.

Dr. Ozlem Yogurtcu is a general surgeon with extensive experience. She graduated from Dokuz Eylul University Faculty of Medicine. She completed her general surgery residency at Haseki Training and Research Hospital, 1st Surgical Clinic. She is fluent in English.

Her practice includes gastrointestinal surgery (gallbladder disease, hernias, appendicitis, other gastrointestinal conditions). It also includes endocrine surgery (thyroid, parathyroid, adrenal) and breast surgery (benign and malignant conditions). She treats emergency and trauma cases. She performs minimally invasive laparoscopic procedures.

She is known for precise surgery and a patient-centered approach.

Dr Erdem Gelegen is an ophthalmologist with over 20 years of experience in cataract, refractive, retinal, glaucoma, and corneal/anterior segment care. He performs phacoemulsification with premium intraocular lenses. He provides laser vision correction for myopia, hyperopia, and astigmatism. He treats diabetic retinopathy, age-related macular degeneration, retinal detachment, keratoconus, and anterior segment disorders, including corneal transplants.

He graduated from Istanbul University Cerrahpaşa Faculty of Medicine in 1999. He completed his ophthalmology residency at Okmeydanı Training and Research Hospital in 2004. He is known for precise microsurgery and the use of advanced ophthalmic technologies.