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Dr. Sibel Gelecek Geyik

Dr. Sibel Gelecek Geyik

Laparoscopic Surgeon ·
, Istanbul, Turkey

31 Years of experience ·
Languages Spoken: Turkish , English

Sibel Gelecek Geyik is currently available for hospital consultations. Explore online consultation options or book an in-person visit.

About Dr. Sibel Gelecek Geyik

Conditions treated by Bariatric Surgeon

We bring to you the conditions which are being treated by Dr. Sibel Gelecek Geyik.:

  • Morbid Obesity

It is well known that bariatric or weight loss surgery is not a standalone condition and it brings with it various health issues. Heart disease, diabetes, high blood pressure and severe sleep apnea are all conditions that develop as a result of being overweight. Prevention of fresh weight gain and removal of the excess weight are both achieved by the surgeon through the procedures they perform.

Signs and Symptoms treated by Dr Sibel Gelecek Geyik

Here are the symptoms and signs which indicate that you would readily qualify for weight loss surgery.:

  1. BMI ≥ 40, or more than 45 pounds overweight
  2. BMI ≥ 35, and one or more obesity-related co-morbidities
  3. Inability to lose and maintain weight even with sustained weight loss efforts

The case for getting a Bariatric surgery becomes stronger if you are having co-morbidities with the obesity. We bring to you the many co-morbidities that have a natural correlation with being obese.:

  • Individuals with BMI 40 or higher
  • Individuals with BMI 35- 39.9 and underlying obesity-related health problem like; cardiovascular disease, type -2 diabetes, sleep disorders, stroke, hypertension and chronic acid reflux.

Being overweight is never a problem that comes alone but is always accompanied with related health conditions like Hypertension, Respiratory disorders, Type II diabetes and Osteoarthritis.

Operating Hours of Dr Sibel Gelecek Geyik

The doctor is present during the operating hours of 10 am to 7 pm on weekdays and on weekends from 10 am to 2 pm.. The doctor has a vast experience in performing bariatric procedures and is known to go above and beyond to find the best solution for the patients.

Popular Procedures performed by Dr Sibel Gelecek Geyik

The popular procedures performed by Dr. Sibel Gelecek Geyik are as follows:

  • Gastric Bypass
  • Lap Gastric Banding
  • Sleeve Gastrectomy

The way your small intestine and stomach handle your food is changed and this plays a major role in Gastric Bypass being one of the most effective weight loss surgeries. Sleeve Gastrectomy, Minigastric bypass and Gastric bands are some of the other popular Bariatric surgeries which have shown promising results. We bring to you the various complications and risks that are natural to occur when a weight loss procedure has been performed.:

• Acid reflux • Anesthesia-related risks • Chronic nausea and vomiting • Dilation of esophagus • Inability to eat certain foods • Infection • Obstruction of stomach • Weight gain or failure to lose weight

Qualification

  • Ege University Faculty of Medicine
  • Hacettepe University, General Surgery

Work Experiences

  • Ankara Kecioren Education and Research Hospital, 2006-2008
  • The University of Texas, MD Anderson Cancer Center, Department of Surgical Oncology, Breast Surgery, Clinical Visitor, 2008
  • Ankara Kecioren Training and Research Hospital, 2008-2010, Specialist doctor, emergency department
  • Ankara Numune Training and Research Hospital, 2010-2013, Specialist doctor
  • Istanbul Medipol University General Surgery AD, 2013-2014
  • Memorial Health Group, 2015-2016

Ready to Speak with Sibel Gelecek Geyik?

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Procedures Performed

Adhesion Lysis
Cardiomyotomy
Foregut Surgery
Gastric Bypass
Hiatal Hernia Repair
Ileoanal Anastomosis (J-Pouch) Surgery
Lap Gastric Banding
Laparoscopic Colon Resection
Laparoscopic Ventral Hernia Repair
Low Anterior Resection
Meckel's Diverticulectomy Treatment
Nissen Fundoplication
Pancreatectomy
Pancreatic Surgery
Partial Colectomy
Proctectomy
Retroperitoneum Surgery
Robotic Hernia Surgery
Sleeve Gastrectomy
Small Bowel Resection
Splenectomy
Stapled Hemorrhoidopexy
Subtotal Proctocolectomy
Total Colectomy

Frequently Asked Questions

Dr. Sibel Gelecek Geyik is a specialized Bariatric Surgeon and is one of the most sought after doctors in Istanbul, Turkey.

No, this doctor does not offer telemedicine via MediGence

Dr. Sibel Gelecek Geyik is one of the most sought after specialists in Turkey and has over 14 Years years of experience.

FAQ's Related to Bariatric Surgeon

These surgeons help patients who have excess weight lose the weight and keep from gaining excess weight. Here is a list of some additional positives of weight loss procedures other than being a solution for obesity.:

• Long-term remission for type 2 diabetes • Improved cardiovascular health • Better mental health • Remove sleep apnea • Joint pain relief • Improved fertility

There are three kinds of procedures that are done by the surgeons, the first one helps in lessening the food intake, the second kinds lower the ability of the body to absorb the nutrients and a third kind do both. Prescribing medicines and tests as well as recommending dietary and lifestyle changes post the procedures is all the responsibility of Bariatric surgeon.

Here are the recommended tests prior to and during consultation with a Bariatric Surgeon.:

  • Blood work
  • Cardiac echo – hx of phen-fen or long-standing sleep apnea or cardiac risk screen
  • CBC
  • Stress test
  • Lipid panel
  • Thyroid function tests
  • CXR
  • B12
  • Fe Panel
  • HgbA1C (if known diabetic)
  • EKG
  • Homocysteine, C-Reactive protein, lipoprotein a – to assess cardiac risk factors
  • Complete metabolic panel including calcium and liver function tests
  • Folate, thiamine

These tests gain more significance because they give the right picture regards the health status of a patients condition which helps with the treatment immensely. The Urinalysis and the blood function related tests are representative of the overall health of the person undergoing treatment. In order to check how appropriate the process is going to be the surgeon recommends tests related to the respiratory and heart functions as well such as Electrocardiogram, Pulmonary function testing etc.

It is wise to consider consulting with a Bariatric Surgeon when all the medical and alternative treatment methods have not yielded you the best results. It is also wise to consider the weight and other health parameters before you decide to consider a Bariatric surgery. Both for post operative rehabilitation as well as pre operative preparation a consultation with the surgeon can be arranged.

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Dr. Vishwas Kaushik
Reviewer

MBBS, MD

7 Years of Experience

Last Reviewed - June 2026

Dr. Vishwas Kaushik is a qualified medical professional holding an MBBS from the prestigious Belgorod State University, Russia, with a strong foundation in clinical medicine and healthcare practice. His comprehensive medical training has equipped him with a profound understanding of evidence-based clinical practices, patient-centered care, and the evolving landscape of modern medicine. With a keen interest in medical research and scientific communication, he consistently translates complex clinical concepts into clear, accurate, and accessible content for diverse audiences. His work reflects a deep commitment to advancing medical knowledge, delivering impactful healthcare insights, and bridging the gap between clinical expertise and accessible medical communication.
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Tanya Bose
Author

MSc Biotechnology

4 Years of Experience

Last Reviewed - June 2026

Tanya Bose is a medical content specialist with a strong medical background. She has completed her Bachelor's and Master’s in Biotechnology from Amity University. With a deep understanding of biomedical sciences and research, she develops authoritative and patient-focused medical content covering treatments, surgical procedures, and healthcare innovations. Her writing emphasizes accuracy, clarity, and evidence-based information to help readers better understand complex medical topics. She is dedicated to improving patient awareness and supporting informed healthcare decisions by delivering trustworthy medical insights in a clear and accessible format.
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