Page 4 - Best Obesity doctors: TOP 103 doctors

Associate Professor Mehmet Ali Gok specializes in laparoscopic and minimally invasive surgery at Medipol University Pendik Hospital.

• Published research on endoscopic intra-gastric botulinum toxin A for obesity treatment
• Expert in laparoscopic sleeve gastrectomy with 3D imaging systems
• Certified by European Hernia Society for laparoscopic hernia surgery
• Editor of multiple books on minimally invasive and oncologic surgery

Assoc. Prof. Vahit Mutlu has performed 900+ bariatric procedures at Memorial Ataşehir Hospital – a JCI-accredited facility ensuring international standards.

• 12 years of experience in general and bariatric surgery
• Specializes in sleeve gastrectomy and gastric balloon procedures
• Research background from Ondokuz Mayis University's surgery department
• Personally analyzes each patient's documents for tailored treatment plans

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

Expert in laparoscopic and open bariatric surgeries – Dr. Ibayev specializes in obesity disorders at Erdem Hospital.

• Performs sleeve gastrectomy and gastric bypass surgeries
• Skilled in both laparoscopic and open surgical techniques
• Treats a wide range of gastrointestinal conditions
• Offers endoscopic placement of gastric balloons

Associate Professor Mehmet Mehdi Deniz specializes in bariatric surgery at Medipol Bahçelievler Hospital, with a focus on innovative techniques.

• Member of the Bariatric and Metabolic Surgery Association (BMCD)
• Published research on laparoscopic Roux-en-Y gastric bypass with ileal transposition
• Over 10 years of experience in general surgery
• Trained at Istanbul University – one of Turkey's top medical schools

Over 6,200 weight-loss and cosmetic procedures performed in 26 years – Dr. Kara is a pioneer in laparoscopic surgery with his own patented instrument.

• Board-certified in general surgery since 2008
• Invented a specialized laparoscopic surgical tool for improved patient outcomes
• Member of Turkish Surgical Association and other prestigious medical organizations
• Practices at Medical Park İzmir Hospital – a leading facility

Dr. Huseyin Akyol specializes in personalized obesity and metabolic surgery, using high-tech equipment and experienced teams.

• Offers customized treatment plans for each patient
• Utilizes advanced surgical techniques
• Conducts procedures in fully equipped hospitals

Dr. Demiriz is a member of multiple prestigious obesity surgery associations, including IFSO and the Turkish Obesity Surgery Association.

• Specialized in general surgery with over 16 years of experience
• Member of the National Society of Endoscopical Laparoscopic Surgery
• Graduated from Istanbul University Istanbul Faculty of Medicine
• Part of the Endocrine Surgery Association

John Blacks specializes in Obesity treatment at Veselibu Clinic.

• Focused on personalized obesity treatment plans
• Experienced in a range of weight management strategies
• Committed to patient-centered care for obesity

Ranked among Turkey's top 10 general surgeons – Dr. Durmus helped develop laparoscopic obesity surgeries in the country.

• 24 years of experience in general surgery
• Performed 1,100+ bariatric procedures including sleeve gastrectomy and gastric bypass
• Assistant Professor at Nişantaşı University
• Trained dozens of surgeons in advanced laparoscopic techniques

1,100+ bariatric procedures performed – Dr. Kaya specializes in vertical sleeve gastrectomy at Risus Clinic Istanbul.

• 28 years of surgical experience with a focus on minimally invasive techniques
• Trained in advanced minimally invasive surgery in Hamburg and Strasbourg
• Member of the European Society of Oncological Surgeons
• Performs 6–9 bariatric operations daily

Chief Surgeon leading a cutting-edge department specializing in minimally invasive and robotic surgery for obesity at the Academic Hospital Solingen.

• Over 15 years of experience in visceral and oncological surgery
• Pioneers modern surgical techniques and post-operative recovery methods
• Coordinated the Pancreatic Cancer Centre and Colorectal Cancer Centre Bochum
• Lectures at medical universities and conducts workshops for colleagues

Dr. Farid Rafiyev holds the International Mini Gastric Bypass Surgeon of Excellence Bronze Certification, a prestigious recognition in bariatric surgery. He works at Liv Bona Dea Hospital Baku.

• Published 21 articles and developed 3 effective proposals
• Full member of IFSO, IBC, ASMBS, and ELSA
• PhD in medical sciences with focus on laparoscopic complications
• Trained in Berlin, France, and Strasbourg for advanced techniques