BARIATRIC SURGERY · MEMORIAL BAHÇELIEVLER
Assoc. Prof. Mehmet Celal Kızılkaya, MD
Associate Professor of General Surgery — Obesity and Metabolic Surgery · Memorial Bahçelievler Hospital — Obesity and Metabolic Surgery Center
Assoc. Prof. Mehmet Celal Kızılkaya is a clinical Associate Professor at Memorial Bahçelievler Hospital's Obesity and Metabolic Surgery Center (since 2025). MD Cerrahpaşa Faculty of Medicine (2008); General Surgery specialty completed at Haseki Training and Research Hospital (2014); Associate Professor (2023). Fellow of the International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO). His operative focus includes laparoscopic sleeve gastrectomy, gastric bypass, anti-reflux surgery and endocrine surgery.
10+
years in surgery
IFSO
fellow
Bariatric SurgerySleeve GastrectomyGastric BypassLaparoscopic SurgeryEndocrine SurgeryIFSO Fellow
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Direct contract with BergemHealth
CONSULTATION LANGUAGES
TR Turkish
· native
EN English
· professional
RU Russian
· via BergemHealth coordinator
UK Ukrainian
· via BergemHealth coordinator
ISTANBUL · 08/2026
EDUCATION & CAREER
Timeline
Career milestones.
2014-2015
General Surgery Specialist (compulsory service)
Muş Bulanık State Hospital
2015-2018
General Surgery Specialist
SBU Samsun Training and Research Hospital
2018-2023
Specialist → Chief Assistant → Associate Professor
SBU Istanbul Kanuni Sultan Süleyman Training and Research Hospital
2023-2025
Associate Professor of General Surgery
Acıbadem Health Group / Acibadem Atakent
2025-present
Klinik Doçent / Surgeon, Obesity and Metabolic Surgery Center
Memorial Bahçelievler Hospital
PUBLICATIONS
Scientific work
Selected peer-reviewed publications.
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2024Lancet«Global burden of metabolic diseases, 1990-2021»· co-author · 342 citations
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2024EClinicalMedicine«Burden of disease attributable to high body mass index: an analysis of data from the Global Burden of Disease Study 2021»· co-author · 227 citations
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2021Lancet Diabetes Endocrinol«Global 30-day outcomes after bariatric surgery during the COVID-19 pandemic (GENEVA): an international cohort study»· co-author · 78 citations
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2021Int J Obes (Lond)«30-day morbidity and mortality of sleeve gastrectomy, Roux-en-Y gastric bypass and one anastomosis gastric bypass: a propensity score-matched analysis of the GENEVA data»· co-author · 60 citations
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2021Obes Surg«30-day morbidity and mortality of bariatric surgery during the COVID-19 pandemic: a multinational cohort study of 7704 patients from 42 countries»· co-author · 58 citations
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2024Sci Rep«Resected gastric volume/number of staplers fired ratio as a tool in predicting complication and midterm results in sleeve gastrectomy»· first author
CLINIC
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