General Surgery Prof. Dr. Özgen Işık
✓ Medically verified profileProf. Dr. Özgen Işık
✓ Medically verified profile
About Prof. Dr. Özgen Işık
Quick answer
Prof. Dr. Özgen Işık is a General Surgery specialist at Acibadem Atakent Hospital in İstanbul with 16+ years of experience.
He treats colorectal cancer, metastatic colorectal cancer, appendicitis, intestinal endometriosis, bowel obstruction, and obesity, and performs colorectal, bariatric, metabolic, and organ transplant surgery, as well as colonoscopy, Hartmann’s procedure, left-sided bowel anastomosis, and emergency left colon surgery. He consults in Turkish and English and offers online video consultations.
Prof. Özgen Işık is a dedicated and experienced surgeon specializing in colorectal, bariatric, and transplant-related surgery. Currently affiliated with Acibadem Health Group (2025), Dr. Işık combines advanced surgical skill with a commitment to evidence-based care and multidisciplinary teamwork. Education and Certification – Completed Turkish Surgical Competency Recertification (2024), reflecting up-to-date competence in modern surgical practice and patient safety standards.
Professional Experience – Acibadem Health Group (2025): Active clinical and academic role within a leading healthcare network, contributing to patient care, surgical innovation, and professional development. Memberships and Professional Affiliations – Bariatric and Metabolic Surgery Association – Turkish Society of Colon Rectal Surgery – Coordination Association of Organ Transplant Organizations of Turkey – Turkish Surgical Association – European Society of Coloproctology (ESCP) – National Society for Trauma and Emergency Surgery – International Society of University Colorectal Surgeons (ISUCRS) Clinical Focus and Approach – Expertise in colorectal and bariatric procedures, with involvement in organ transplant coordination and trauma/emergency surgery. – Emphasizes patient-centered care, surgical safety, and ongoing professional education. – Active in national and international professional communities, fostering collaboration and sharing best practices. Languages and Interests – Engages in academic collaboration and continuous learning to advance surgical outcomes and training.
Areas of Expertise
Conditions treated and procedures performed by this specialist.
Education
- 2024TURKISH SURGICAL COMPETENCY RECERTIFICATION
- 2024BURSA ULUDAĞ UNIVERSITY / FACULTY OF MEDICINE / DEPARTMENT OF GENERAL SURGERY / PROFESSOR OF GENERAL SURGERY
- 2021TURKISH COLON RECTAL SURGERY QUALIFICATION CERTIFICATION
- 2021EUROPEAN SURGICAL COMPETENCE CERTIFICATION (COLOPROCTOLOGY)
- 2018BURSA ULUDAĞ UNIVERISTY / FACULTY OF MEDICINE / DEPARTMENT OF GENERAL SURGERY / ASSOCIATE PROFESSOR OF GENERAL SURGERY
- 2015DA VINCI ROBOTIC SURGERY TRAINING PROGRAM CERTIFICATION
- 2013CLEVELAND CLINIC FOUNDATION/ DIGESTIVE SYSTEM DISEASES INSTITUTE/ COLORECTAL SURGERY DEPARTMENT/ RESEARCH ASSISTANT
- 2012TURKISH SURGICAL COMPETENCY CERTIFICATION
- 2010Uludag University Faculty of Medicine General Surgery
- 2004Trakya University Faculty of Medicine
Professional Experience
- 2025Acibadem Health Group
- 2022–2025Bursa Medicana Hospital General Surgery Clinic (part-time)
- 2016–2025Bursa Uludag University Faculty of Medicine, Department of General Surgery
- 2014–2015Acibadem Health Group
- 2011–2012Idil State Hospital (State Service Obligation)
- 2010–2011Chief of General Staff (Military Service)
Professional Memberships
- Bariatric and Metabolic Surgery Association
- Turkish Society of Colon Rectal Surgery
- Coordination Association of Organ Transplant Organizations of Turkey
- Turkish Surgical Association
- European Society of Coloproctology (ESCP)
- National Society for Trauma and Emergency Surgery
- International Society of University Colorectal Surgeons (ISUCRS)
Selected Publications
- Extended pharmacological thromboprophylaxis and clinically relevant venous thromboembolism after major abdominal and pelvic surgery: international, prospective, propensity score-weighted cohort study British Journal of Surgery, 112(3), Doi: 10.1093/bjs/znaf005 (Publication No: 9555606) IŞIK ÖZGEN
- Intestinal endometriosis amongst other extra-pelvic endometriosis foci presenting as acute/subacute bowel obstruction in women of reproductive age: a retrospective case series study. BMC Surgery, 25(1), Doi: 10.1186/s12893-024-02755-y (Publication No: 9555605) GÜRLÜLER ERCÜMENT,IŞIK ÖZGEN,UĞRAŞ NESRİN,ŞAHİN AYSUN,ŞEN MURAT,YILMAZLAR AHMET TUNCAY
- Candidate Biomarkers Associated With Circulating Tumor Cell Status in Metastatic Colorectal Cancer. Journal of Clinical Laboratory Analysis, 39(7), Doi: 10.1002/jcla.70013 (Publication No: 9555600) DOĞAN BERKCAN,PİRİM DİLEK,IŞIK ÖZGEN,EVRENSEL TÜRKKAN
- Association between multimorbidity and postoperative mortality in patients undergoing major surgery: a prospective study in 29 countries across Europe Anaesthesia, 79(9), 945-956., Doi: 10.1111/anae.16324 (Publication No: 9555568) IŞIK ÖZGEN
- Using the Cardiac-Electrophysiological Balance Index to Predict Arrhythmia Risk After Colonoscopy Medicina, 61(1), Doi: 10.3390/medicina61010013 (Publication No: 9555598) POLATKAN SEYİT ALİ VOLKAN,GÜNAY POLATKAN ŞEYDA,IŞIK ÖZGEN,SIĞIRLI DENİZ
- Microscopic Growth Pattern of Metastatic Colorectal Carcinomas, Morphological Findings of the Non-Neoplastic Liver, and Their Relationship With Prognosis and Survival. International Journal of Surgical Pathology, 32, 1256-1262., Doi: 10.1177/10668969241226702 (Publication No: 9555582) ÖZŞEN MİNE,UĞRAŞ NESRİN,YERCİ ÖMER,DELİGÖNÜL ADEM,TAŞAR PINAR,IŞIK ÖZGEN,YILMAZLAR AHMET TUNCAY
- A prognostic model for use before elective surgery to estimate the risk of postoperative pulmonary complications (GSU-Pulmonary Score): a development and validation study in three international cohorts The Lancet Digital Health, 6(7), 507-519., Doi: 10.1016/S2589-7500(24)00065-7 (Publication No: 9555551) IŞIK ÖZGEN
- Anastomotic leak after manual circular stapled left-sided bowel surgery: analysis of technology-, disease-, and patient-related factors BJS Open, 8(5), Doi: 10.1093/bjsopen/zrae089 (Publication No: 9555595) IŞIK ÖZGEN
- Nationwide prospective audit for the evaluation of appendicitis risk prediction models in adults: right iliac fossa treatment (RIFT)?Turkey BJS Open, 8(5), Doi: 10.1093/bjsopen/zrae120 (Publication No: 9555593) IŞIK ÖZGEN
- Utilization and outcomes of Hartmann’s procedure in emergency left colon surgery: evaluating postoperative complications and stoma reversal rates European review for medical and pharmacological sciences, 28(17), 4229-4237., Doi: 10.26355/eurrev_202409_36712 (Publication No: 9555576) GÜRLÜLER ERCÜMENT,AKTAŞ AHMET ALİ,IŞIK ÖZGEN,YILMAZLAR AHMET TUNCAY
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Treatments Performed
What patients say about Prof. Dr. Özgen Işık
★★★★★From 2,400+ verified patient reviews“I was so anxious about my child's developmental neurology review, but the team put us at ease. Prof. Dr. Işık answered all our worried questions without making us feel silly. The nursing staff were attentive and kind throughout.”
“The care I received for my diabetes and blood pressure management was world-class from start to finish. Dr. Işık inspired complete confidence from the first meeting. I only wish I had come here sooner.”
“After struggling for a long time, I finally found the right care for my thyroid surgery here. Prof. Dr. Işık answered all of my questions with patience. The whole experience was organised and reassuring.”
“I flew in specifically for dental implant treatment and was treated with the utmost professionalism. Dr. Işıker listened carefully and built a plan I understood. The nursing staff were attentive and kind throughout.”