Your Notifications
All done, no notifications
Dr. Umit Koc

Dr. Umit Koc

Gastrointestinal and Bariatric Surgeon ·
, Istanbul, Turkey

25 Years of experience ·
Languages Spoken: English ,Turkish

Book a video consultation with Umit Koc for Gastrointestinal and Bariatric Surgeon, from USD 205. Receive a signed report within 24 hours or a full refund if unavailable.

Specialises in:

Irritable Bowel Syndrome (IBS)Gastroesophageal Reflux Disease (GERD)Peptic UlcersInflammatory Bowel Disease (IBD)Celiac Disease

About Dr. Umit Koc

  • About the author Dr. Umit Koc, is a general surgeon in Istanbul, working at Istinye University Bahcesehir Liv Hospital with an experience of 22 years.
  • For his primary school, he went to Augsburg and Mersin Gazipasa Primary School in Turkey. He met his secondary and high school education at Mersin Tevfik Srr Gur High School and then majored at the Ukurova Faculty of Medicine, and became a medical doctor from 1993 to 1999.
  • He graduated from Ankara University Medicine Faculty in 1995 and after 6 years between 2000-2005, he completed his General Surgery Specialization at Ankara Numune Training and Research Hospital and became a General Surgery Specialist after his obligatory service in Mardin Midyat Health Center.
  • After his compulsory service and military service at Ankara Yuksek Training and Research Hospital Gastroenterology Surgery Clinic between 2008 and 2010, he received his Gastroenterology Surgery Specialist diploma. After that, he started to serve as an experienced Gastroenterology surgeon at Antalya Training and Research Hospital.
  • By 2016 he had been moved to the post of an Associate Professor. As a member of Da Vinci's Robotic Surgery certification program; he put through Robotic Tumor Surgery in 107 Antalya Training and Research Hospitals in 2016.
  • He started his academic life at Istinye University Bahçeşehir Liv Hospital in 2019 after performing many tumor surgeries and bariatric surgery at Antalya Training and Research Hospital between 2010 and 2018.
  • Since 2021 he has worked in the Memorial Sisli Hospital in Istanbul Turkey and continues his work in this hospital.
  • He practices gastric bypass surgery, gastrointestinal, and weight loss. Expanding a little more on his specialization the areas of specialty are Obesity and Metabolic Surgery, Laparoscopic Surgery, Robotic Surgery, and Gastrointestinal Tumor Surgery.
  • In addition to the patient’s sickness, the relevant diseases, and a personal medical history before the surgical procedure, Dr. Umit Koc conducts a detailed study.

Conditions treated by Dr. Umit Koc

  • Irritable Bowel Syndrome (IBS)
  • Gastroesophageal Reflux Disease (GERD)
  • Peptic Ulcers
  • Inflammatory Bowel Disease (IBD)
  • Celiac Disease
  • Hepatitis (A, B, C)
  • Fatty Liver Disease (NAFLD/NASH)
  • Cirrhosis
  • Liver Cancer
  • Pancreatitis
  • Pancreatic Cancer
  • Gallstones
  • Cholecystitis
  • Bile Duct Obstruction
  • Colon Cancer
  • Diverticulitis
  • Hemorrhoids
  • Upper and Lower GI Bleeding

Area of Interest

  • Removal of Stomach(Gastrectomy)
  • Intestinal Mucosa Polyp Removal
  • Stomach Polyp Removal
  • Anal Fistula Removal (Fistulotomy)
  • Laparoscopic Surgery
  • Robotic Surgery
  • Allurion Swallowable Gastric Balloon

Qualification

  • 1999- Faculty of Medicine, Cukurova University;
  • 2005- Specialization in General Surgery, Numune Teaching and Research Hospital, Ankara;
  • 2010- Specialization in Gastroenterological Surgery, Yuksek Ihtisas Training and Research Hospital, Ankara.

Work Experiences

  • Ankara Numune Training and Research Hospital General Surgery Clinic
  • Ankara Golbasi State Hospital General Surgery Clinic
  • Ankara GATA Training and Research Hospital General Surgery Clinic
  • Ankara Turkey High Specialization Training and Research Hospital
  • Antalya Training and Research Hospital Gastroenterology Surgery Clinic
  • Memorial Sisli Hospital, Istanbul -Turkey

Ready to Speak with Umit Koc?

Book a secure video consultation for expert Weight Loss Specialist care.

What to Expect in Your Consultation

Upload Your Medical Reports

Upload MRI/CT scans, laboratory reports, prescriptions, and previous medical records. Supported formats: PDF, JPEG, and DICOM.

30-Min Video Consultation

Consult the Doctor in your preferred language. A family member or caregiver is welcome to join.

Medical Opinion Within 24 Hours

Receive a signed medical opinion with diagnosis, treatment recommendations, and next steps in a downloadable PDF.

Care Coordination (Optional)

If needed, our team can assist with a second opinion, hospital appointments, or medical travel arrangements.

Procedures Performed

Abdominoperineal Resection
Adhesion Lysis
Appendectomy
Cardiomyotomy
Colorectal Cancer ( Colon Cancer ) Treatment
Esophagectomy
Foregut Surgery
Gastric Bypass
Hemicolectomy
Hepatectomy (Liver Resection)
Hiatal Hernia Repair
Ileoanal Anastomosis (J-Pouch) Surgery
Lap Gastric Banding
Laparoscopic Colon Resection
Laparoscopic Gall Bladder Removal
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
Stomach Cancer Treatment
Subtotal Proctocolectomy
Total Colectomy

Frequently Asked Questions

A. Dr. Umit Koc is available to teleconsultate on the MediGence platform.

A. The consultation can last 15 to 30 minutes. Depending on the patient’s queries and the doctor's medical suggestions, it may exceed the estimated time.

A. Our panel of doctors includes Medical specialists and board-certified doctors. The consultation will be organized within 24 to 48 hours or based on the availability of the doctor and the patient.

A. No, the follow-up consultation fee is not included in the consultation price. The patient will need to rebook the consultation.

A. The option to share your medical records is available at the end of the form provided on the website.

A. Yes. If you are satisfied with the consultation, you can proceed with treatment packages for your diagnosis with the help of our case managers.

A. Yes. Our case manager will provide you with a cost estimate that includes the doctor’s opinion, the cost estimate, and crucial information about traveling to your medical destination.

Explore Telemedicine Specialists

Dr. Abdullah Rahil
Reviewer

MPT (Neuro)

7 Years of Experience

Last Reviewed - June 2026

Dr. Abdullah Rahil, M.P.T. (Neurology), is a dedicated physiotherapy professional specializing in orthopedic, neurological, and musculoskeletal rehabilitation. With strong clinical expertise, he focuses on improving patient mobility, reducing pain, and restoring functional independence through evidence-based rehabilitation techniques. He is skilled in advanced therapeutic approaches that support effective rehabilitation and recovery for a wide range of musculoskeletal and neurological conditions, focusing on improving mobility, reducing pain, and restoring functional independence. Dr. Rahil has extensive experience managing diverse rehabilitation cases. His patient-centered approach emphasizes personalized treatment plans, continuous assessment, and comprehensive rehabilitation to achieve optimal recovery outcomes.
View More
Nimra Haseeb
Author

MSc Biochemistry

4 Years of Experience

Miss Nimra Haseeb is a medical researcher and a scientific content writer. She holds a Bachelor’s degree in Biotechnology and a Master’s in Biochemistry from Integral University, Lucknow. With strong experience in healthcare research, she specializes in secondary research, clinical data analysis, and evidence-based medical writing. Her work focuses on transforming complex scientific and medical information into clear, accurate, and reliable healthcare content for patients and healthcare audiences. She is also experienced in interpreting medical studies and healthcare trends to deliver well-researched and informative content that supports better health awareness and decision-making.
View More

Please Enquire

Required | alphabets and spaces
Required | A valid, working email address
Required | A valid contact

Not Sure About Your Treatment Plan? Get a Second Opinion

Get your medical reports reviewed by experienced doctors to help you make a confident treatment decision, all online within 48 hours.