Surgery Doctors in Turkey

Dr. Malik Ashkar is Head of Doctors at Mira Clinic and a specialist in Endodontics (root canal treatment). He qualified as a dentist in 2016. His work focuses on dental diagnosis and treatment planning. He performs advanced root canal procedures to treat infected or injured tooth nerves, relieve pain, and preserve natural teeth. His aim is lasting oral health.

As Head of Doctors, he oversees treatment quality. He sets clinical protocols and supports the medical team in complex cases. His experience includes root canal therapy, restorative treatment planning, and dental pain management. He provides precise, comprehensive, patient-centered care.

Specializes in gallbladder, bile duct, and hernia surgeries – Dr. Onalan brings decades of surgical experience to Atlas University Hospital.

• 27 years of general surgery practice
• Extensive training in endoscopic procedures like gastroscopy and colonoscopy
• Experienced in both open and laparoscopic hernia repairs
• Works at Atlas University Hospital, a leading medical institution

Dr. Ruhat Tanli is an orthopedics and traumatology specialist at Lokman Hekim Istanbul Hospital. He treats bone and joint conditions with a focus on arthroscopy and spinal surgery. He previously served as an orthopedist at Istanbul Beylikduzu State Hospital. Dr. Tanli holds a degree from Istanbul University Faculty of Medicine.

• Specializes in hand surgery, trauma surgery, and arthroplasty.
• Member of the Emergency Hand Surgery and Microsurgery Association.
• Practices at a JCI-accredited hospital that treats 10,000+ patients annually.
• Active member of the Turkish Medical Association.

Dr. Serkan Keskin is a medical oncologist at Memorial Şişli Hospital in Istanbul. He ranked first in Turkey in the 2012 Medical Oncology Proficiency Exam. Dr. Keskin treats over 25 types of cancer, including breast, lung, and stomach cancers. He works at a JCI-accredited facility recognized for excellence in oncology.

• Secured second place in Turkey in the 2009 Minor Specialty Certificate Examination.
• Maintains membership in both the American Society of Clinical Oncology (ASCO) and ESMO.
• Uses chemotherapy, targeted therapy, and immunotherapy to treat complex tumors.
• Winner of the Best Poster Award at the 19th National Cancer Congress.

Dr. Kivanc Derya Peker is a gastrointestinal surgeon at Hisar Hospital Intercontinental in Istanbul. He co-founded the Hepatopancreatobiliary Surgery unit at Bakırköy Dr. Sadi Konuk Hospital. Dr. Peker completed specialized training at the Mayo Clinic in the United States. He treats complex cancers of the liver, pancreas, and stomach.

• Performed over 400 pancreatic and gastric cancer surgeries to date.
• Completed over 200 liver surgeries and numerous kidney transplants.
• Ranked in the top 3 during his national gastroenterology surgery minor examination.
• Practices at JCI-accredited Hisar Hospital, which serves 500,000 patients annually.

Dr. Yildirim trained at top US institutions including Johns Hopkins and Harvard, specializing in complex head and neck surgeries.

• Expert in cochlear implants and facial plastic surgery
• Multiple award-winning research in rhinology and olfactory disorders
• Associate Professor at Bezmialem Vakif University
• Performs advanced endoscopic sinus surgeries

Dr. Umut Dogu is a neurosurgeon at Lokman Hekim Istanbul Hospital. He specializes in treating degenerative spine diseases and traumatic spinal injuries. Dr. Dogu earned his medical degree from Hacettepe University. He completed his residency at Diskapı Yıldırım Beyazıt Training and Research Hospital. His expertise includes managing spinal tumors, infections, and congenital disorders like scoliosis.

• Member of the Turkish Neurosurgical Society and Turkish Medical Association.
• Performs pain-focused interventions like neuromodulation, vertebroplasty, and kyphoplasty.
• Works at JCI-accredited Lokman Hekim Istanbul Hospital, which treats 10,000+ patients annually.
• Treats complex conditions including spinal stenosis, disc herniations, and spondylolisthesis.

Dr. Ali Gozukucuk is a pediatric surgeon at Hisar Hospital Intercontinental in Istanbul. He completed a specialized fellowship in pediatric surgery at Erciyes University. Dr. Gozukucuk treats children for conditions like hernias, appendicitis, and congenital defects. He works at a JCI-accredited hospital that serves over 500,000 patients annually.

• Specializes in treating inguinal hernias, umbilical hernias, and ankyloglossia.
• Published three articles in international peer-reviewed medical journals.
• Presented 13 research papers at international scientific meetings.
• Performs pediatric urological and cardiac surgical procedures.

Dr. Muzeyyen Almora Guleryuz is an obstetrician and gynecologist at Memorial Şişli Hospital in Istanbul. She provides specialized care in women’s health and pregnancy management. Her practice is based at the first hospital in Turkey to earn JCI accreditation. This ensures her patients receive care under world-class safety standards.

• Practices at Memorial Şişli Hospital, which manages patients from over 160 countries.
• Maintains a clinical focus on both obstetrics and general gynecological health.
• Served as a specialist at Acibadem Fulya and several military hospitals.
• Utilizes the advanced infrastructure of a facility with 13 dedicated operating rooms.

Dr. Balcioglu specializes in laser hemorrhoid surgery and pilonidal sinus treatment – advanced techniques for faster recovery at Hisar Hospital Intercontinental.

• Graduated from Istanbul University's English medical program
• Completed surgical residency at Marmara University
• Participates in international surgical conferences
• Published in medical journals locally and internationally

Dr. Orhan Shencan is a clinical oncologist at Lokman Hekim Istanbul Hospital. He attained an associate professorship in medical oncology in 2009. Dr. Shencan treats patients at a JCI-accredited facility in Istanbul. He completed his medical oncology training at Ankara University.

• Served as a medical oncology specialist at the Bahrain Oncology Center.
• Held a former associate professor role at Fatih University Faculty of Medicine.
• Practiced at several major Turkish institutions, including Acıbadem Maslak Hospital.
• Works at a clinic that treats over 10,000 patients every year.

Dr. Ali Karahan has specialized in hair transplantation since 2009, achieving natural and successful results at top hospitals like Memorial and Kadıköy Şifa.

• Over 33 years of medical experience
• Participated in national and international hair transplant conferences
• Trained in Anesthesiology and Reanimation
• Runs his own clinic since 2019

Dr. Ahmet Nadir Tosyali is a pediatric surgeon at Anadolu Medical Center in Istanbul. He holds the Turkish Pediatric Surgery Qualification Certificate. Dr. Tosyali treats complex conditions like Wilms tumor, neuroblastoma, and spina bifida. He provides care at a clinic affiliated with Johns Hopkins Medicine.

• Specializes in neonatal surgery, pediatric urology, and oncological procedures.
• Completed training in anorectal malformations and international hypospadias repair.
• Member of the Turkish Society of Pediatric Surgery and the Pediatric Urology Society.
• Works at a Top 10 world hospital according to MTQUA rankings.

Dr. Semih Ak is an orthopedic surgeon at Turan Turan Health Group in Bursa. He focuses on sports medicine, joint disorders, and trauma reconstruction. He earned his medical degree from the prestigious Yeditepe University. Dr. Ak completed specialized residency training at Istanbul Fatih Sultan Mehmet Training Hospital.

• Performs ligament reconstructions, including ACL and rotator cuff repairs.
• Treats complex conditions like carpal tunnel syndrome and Achilles tendon injuries.
• Manages ankle osteoarthritis and degenerative joint diseases.
• Works at a center using robotic systems for knee and spine surgery.

Dr. Ramazan Sari is an Associate Professor of Neurosurgery at Istanbul Florence Nightingale Hospital. He helped establish the Department of Neurosurgery at Medipol University. Dr. Sari handles complex cases involving brain tumors, pituitary adenomas, and spinal stenosis. He participated in the accreditation process for the European Association of Neurosurgical Societies.

• Specializes in transnasal tumor resection and robotic spine surgery.
• Performs deep brain stimulation for Parkinson’s disease and epilepsy surgery.
• Expert in Gamma Knife and CyberKnife radiosurgery for brain conditions.
• Treats cerebral aneurysms, cavernomas, and arteriovenous malformations.

Dr. Ayhan Erdemir is a general surgeon at Anadolu Medical Center in Istanbul. He specializes in pancreatic cancer treatment and complex gastrointestinal procedures. Dr. Erdemir is an expert in the Whipple surgery and robotic surgical techniques. He practices at a facility affiliated with Johns Hopkins Medicine.

• Certified in the da Vinci robotic surgery system.
• Completed specialized training in cytoreductive surgery and HIPEC.
• Former assistant professor at Maltepe University Medical School.
• Performs surgeries for breast, stomach, and small intestine cancers.

Prof. Dr. Alaettin Celik specializes in pediatric surgery and urology, with decades of experience at Istanbul Florence Nightingale Hospital.

• Founded the Pediatric Surgery Department at Istanbul Faculty of Medicine
• Author of multiple pediatric surgery textbooks
• Member of Turkish Ministry of Health Pediatric Surgery Society
• Trained at London's Hospital for Sick Children

Dr. Zeynep Civelek is a general surgeon. She treats benign perianal diseases, including hemorrhoids (with laser), anal fissure, fistula, condyloma, and pilonidal disease, and performs rubber band ligation. She also manages breast disease and cancer, skin cancers, laparoscopic cholecystectomy, and hernias. She worked full-time at Bayindir Levent Medical Center from 2010 to 2025. Earlier, she served at Şişli and Gayrettepe Florence Nightingale Hospitals. She completed her general surgery training at SSK Okmeydanı from 2000 to 2006. She earned her MD from Marmara University, ranking 12th in her class. She also trained in GI surgery for inflammatory bowel disease at the University of Florence in August 2000.

Her research focuses on prognostic factors in breast and colorectal cancer. She wrote a melanoma thesis in 2006 and co-authored papers in Cancer (2005), Breast (2006, 2014), Annals of Surgical Oncology (2008), The Breast Journal (2011), ISRN Oncology (2011), Japanese Journal of Clinical Oncology (2012), World Journal of Surgery (2013; 2,151 patients), International Journal of Surgery (2014), and Journal of Gastrointestinal Cancer (2017).