Premium Gastric Sleeve Surgery by Surgeon with 1,100+ Procedures — VIP Transfer
$3,300
/ Hanifi Onalan
Top Doctor
27
years of experience
Hanifi Onalan
- Leading doctor for Gastric sleeve surgery (Sleeve gastrectomy)
- Specialization: Surgical oncologist
- 27 years of experience
- Speaks:English, Turkish
- Online consultations: available
- Workplace: Turkey, Istanbul, Atlas University Hospital
- Dr. Hanifi Onalan has been working in our hospital for about 15 years with more than 20 years of medical experience and high patient satisfaction. He successfully performs all surgeries including weight loss and general surgery surgeries, especially gastric sleeve, gastric balloon
Dr. Hanifi Onalan is an oncology and general surgeon at Atlas University Hospital in Istanbul. He specializes in weight loss procedures and digestive system surgeries. Dr. Onalan has performed gastric sleeve and balloon procedures for over 15 years at Atlas. He previously served as a surgeon at Taksim Education and Research Hospital.
- Expertise includes gallbladder, thyroid, and hernia surgeries.
- Certified in videoendoscopy from Bakirkoy Dr. Sadi Konuk Education and Research Hospital.
- Performs complex procedures like colectomy, liver resection, and pancreatic surgery.
- Treats patients at an AACI-accredited facility following international safety standards.
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Gastric sleeve surgery (Sleeve gastrectomy)
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Online consultation with Hanifi Onalan
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Excellent score
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Patient reviews
About clinic Atlas University Hospital
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Michael Santiago • Gastric sleeve surgery (Sleeve gastrectomy)
United States of America
Mar 23, 2025
Doctor's services
- Stomach resection
- Resection of gallbladder
- Hemorrhoidectomy
- Small intestine resection
- Umbilical hernia repair
- Colectomy (large bowel resection)
- Gastroenterostomy
- Enucleation of tumor on pancreas
- Liver resection
- Inguinal hernia surgery
- Gastroectomy
- Pancreatic cancer surgery
- Resection of large intestine
- Surgery
- Appendectomy
- General anesthesia
- Treatment of chronic pain after hernia surgery
- Gastric band
- Gastric balloon
- Da Vinci gastroectomy
- Gastric bypass
- Gastric sleeve surgery (Sleeve gastrectomy)
- Metabolic surgery
- Endoscopic sleeve gastroplasty (ESG)
- Post-bariatric plastic surgery
- Transurethral resection of the bladder
- Online consultation with Surgeon
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Qualifications
Hanifi Onalan is a general surgeon and surgical oncologist at Atlas University Hospital. He performs gastric sleeve surgery, gastric balloons, and bariatric botox for obesity treatment. Onalan conducts laparoscopic procedures for hernias and digestive tract diseases.
Specialization & Approach
Dr. Onalan treats various abdominal and endocrine conditions. He uses minimally invasive techniques to help patients recover faster. He performs surgeries for gallbladder and bile duct diseases. Additionally, the doctor treats thyroid disorders and breast diseases.
Gastrointestinal & Colorectal Surgery
- Stomach and colorectal cancer surgery
- Laparoscopic and open hernia repair for inguinal, umbilical, and incisional hernias
- Anal region procedures for hemorrhoids, fissures, and fistulas
- Small and large intestine resections
- Appendectomy and liver hemangioma treatment
Diagnostic Interventions
Dr. Onalan uses endoscopic tools for diagnosis and treatment. He performs gastroscopy and colonoscopy to identify digestive tract issues. The surgeon also conducts ERCP and PEG tube placements.
Work Experience
- 2009–Present – General Surgeon, Atlas University Hospital, Istanbul
- 2004–2009 – Surgeon, Tosya State Hospital, Turkey
- 1994–2004 – Medical Staff, Taksim Training and Research Hospital, Istanbul
Education & Training
- 1999–2004 – Specialization in General Surgery, Taksim Training and Research Hospital
- 1992–1998 – Medical Degree, Istanbul University Istanbul Faculty of Medicine
- 2006 – Videoendoscopy Application Certificate, Bakirkoy Dr. Sadi Konuk Training and Research Hospital
Professional Recognition
Dr. Onalan treats patients at Atlas University Hospital. He holds a formal certification in videoendoscopy applications. The doctor also participates in national surgical conferences to update clinical protocols.
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