About Us
Who is IstanbulSleeve ?
At IstanbulSleeve, we are dedicated to helping individuals achieve long-term weight loss and improved health through safe, effective, and personalized bariatric treatments. With a team of internationally trained surgeons and state-of-the-art medical facilities, we offer gastric sleeve, gastric bypass, gastric balloon, and mini gastric bypass procedures tailored to each patient’s unique needs.
Why Choose IstanbulSleeve?
Experienced & Trusted Surgeons
Our lead specialist, Professor Doctor Mustafa Kalaycı, brings over 30 years of experience and 25,000+ successful surgeries in bariatric and robotic surgery.
Advanced Medical Facilities
We partner with top JCI-accredited hospitals in Turkey, ensuring the highest safety and healthcare standards.
Comprehensive Care
From free consultations to post-surgery follow-ups, we provide end-to-end patient support, including airport transfers, hotel accommodations, and personalized aftercare.
Professor Dr. Mustafa Uygar Kalaycı
Specialist of Bariatric and Robotic Surgery- Obesity Surgery
- Laparoscopic – Robotic Surgery
- Proctology
- Cancer Surgery
- Large Intestine Surgery
- ERCP – Endoscopy
30 Years
of experience
25.000
Successful Surgery
Your Journey to a Healthier Life Starts Here
Choosing IstanbulSleeve means more than just undergoing surgery—it’s about embracing a new lifestyle with confidence and expert guidance. Our team is committed to supporting you every step of the way, from your first inquiry to long-term post-surgery success.