Best gastroenterologists: TOP 240 doctors

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Fahad Mawlood

Nihat Okcu

  • New
  • 26 years of experience
  • Turkey, Istanbul, Medipol University Pendik Hospital
  • Gastroenterology

    Pendik Medipol University Hospital

    Education

    1999 Karadeniz Technical University, Gastroenterology

    1997 Atatürk University, Internal Diseases Professorship

    1992 Atatürk University, Internal Diseases Associated Professorship

    1985 Atatürk University, Internal Diseases Specialist

    1981 Atatürk University Faculty of Medicine

    Publications

    1- Nihat Okçu Gülçin Polat, Arif Yılmaz, Mehmet Koruk, The demographic features of gastric cancers in Erzurum(Eurasian J Med 2000; 32: 63-65)

    2- An Evaluation of Upper Gastrointestinal Bleeding Cases. Clinical Sciences-Doctor.2000, - E.akarsu,N.Okçu,et Ark.Northeast Anatolia 6:4:435-438

    3-N.Okçu, A.yılmaz. İ.kiki,MDonuk, C.gündoğdu, H.uzunismail. Our Diagnostic Upper Gastrointestinal Endoscopy Results. Atatürk University Medical Journal 1997,29 (2):486

    4-N. Okçu, M.gündoğdu, MD onuk, İ.kiki, l.cerrahoğlu, k.yılmaz, I. çapoğlu. The Role of Misoprostol in Preventing Gastroduodenal Lesions in Patients Using Nonsteroidal Anti-Inflammatory Drugs (NSAIDs). Atatürk University Medical Journal 1997,29 (2):453-455.

    5-N.Okçu, A. Öz, MD Onuk, E.Akarsu, B. Tekin, Hz Tonbul, H.Kaya. Plasma Fibronectin Levels in Chronic Active Hepatitis and Decoction of Liver Parenchymal Insufficiency and Their Relationship with Liver Functional Status. Turkish J. Gastroenterol 1995;27(4): 422-426.

    6-N.Okçu, Tahir Buran, MD Onuk, A. Yılmaz, E.Akarsu, G. Akçay. Prevalence of Helicobacter Pylori in Patients with Duodenal Ulcer in Erzurum and Surrounding Area. Turkish J. Gastroenterol 1995;27(4): 447-450.

    7-N.Okçu, bs awake, e. akarsu, e. bakan, z. tonbul. Importance of Carbohydrate Antigens (CA-19-9, CA-125), Carcinoembryonic Antigen (CEA) and Alkaline Phosphatase in Gastric and Colorectal Cancers. Turkish J. Gastroenterol 1995;6:467-471.

    8-N. Okçu, MD Onuk, E. Akarsu, H. Doğan, C. Gündoğdu. Major Risk Factors in Patients with Hepatocellular Carcinoma in Our Region. Gastroenterology 1994;5(2):154-157

    9-N.Okçu, md. Onuk, e. akarsu, h. doğan, c.gündoğdu, tahir buran. Frequency of gastric carcinoma in Erzurum region, endoscopic and histological features. Gastroenterology 1994;5(2):263-267.

    10-N. Okçu, MD Onuk, Tahir Buran, E. Akarsu, MA Çiftçioğlu. Frequency of Helicobacter Pylori in Nonspecific Gastritis Cases in Erzurum Province. Gastroenterology 1994;5(2):211-213.

    11-N.Okçu, MD Onuk, Ö. Ünal, E. Akarsu, L. İncesu, K. Akgöz. Diagnostic Value of Ultrasound-Guided Fine Needle Aspiration Biopsy in Intra-Abdominal Mass Lesions. Gastroenterology 1993;4(1):166-68.

    12-NOkçu, md. onuk, m. polat, a. yılmaz, m. gündoğdu, m. paç. Budd-Chiari Syndrome (2 Cases). Turkish J Gastroenterhepatol 1993; 4(1):77-80.

    13-N.Okçu, H. Koçak, MD Onuk, M. Gündoğdu, E. Bakan, A. Yılmaz, A. Başoğlu, A. Ateş, F.A. Paç. The Effect of Atrial Pressure Changes and Cardiac Nerves on Plasma Atrial Natriuretic Peptide (ANP) Levels. Vascular Surgery 1993; 27(2): 128-132

    15-N.Okçu, MD Onuk, A.Yılmaz, M. Gündoğdu, T. Buran. Effects of Omeprozole and Ranitidine on Peptic Ulcer Healing. Doğa-Tr.J. of Medical Sciences 1992;16:657-658.

    16-N. Okçu, Mr. Yiğitoğlu, B. Adam, E. Bakan. The Effect of Digixin on Plasma Atrial Natriuretic Peptic Level in Patients with Congestive Heart Failure. S.Ü. Medical Faculty Journal 1991;7(2):243-247..

    17-N.Okçu, A. Yılmaz. The Effect of Histamine H2 -Receptor Antagonists in Upper Gastrointestinal System Bleeding. Endoscopy Journal 1991;2(4):17-23.

    18-N.Okçu, E. Bakan, B. Adam, A. Yılmaz, Mr. Yiğitoğlu. Sex Hormones and Sex Hormone Binding Globulin Levels in Patients with Chronic Hepatitis and Liver Cirrhosis (Letter to the Editor). Nature-Tr. J. Of Medical Sciences 1991;15:1-2.

    19-N.Okcu Ömer Yılmaz.Helıcobacter pylori and related gastrointestinal system diseases. Turkish Clinics JMed Sci. 2013;33(3):806-13

    20-Nihat Okçu, Ömer Yılmaz, Hakan Dursun, Gülçin Polat. The relationship between dyspeptic symptoms, nutritional habits, endoscopic and histological findings (Eurasian J Med 2006; 38: 13-17)

    21-Mehmet Bilici,1Nihat Okcu,1Kerim Cayir,1Ibrahim Pirim,2Salim B. Tekin,1andCemal Gundogdu3 - Distribution of HLA Tissue Groups in Patients with Gastric Cancer Eurasian J Med. 2010 Apr; 42(1): 9.11.

    22-Nihat Okcu,Abdulhalim Bak,Mehmet Sari,Mehmet Arslan,Sait Kapicioglu:The fibroblast proliferation, relationship of hepatocyte growth factor (HGF) and interferon-A2A Gastroenterology April 2000Volume 118,Issue 4, Part 2, PageA1404

    23-Kubra Kaynar,Sait Kapicioglu,Mehmet Sari,Nihat Okcu,Abdulhalim Baki. The effect of fish oil on stress ulcer prophylaxis GastroenterologyVolume 118, Issue 4, Part 2, PageA1255

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Dr Sanchez Yague

  • 4.5 Good 4 reviews
  • 26 years of experience
  • Spain, Marbella, Quirónsalud Marbella
  • In 2007 he joined the Costa del Sol Hospital and left this position when he obtained an international scholarship that would take him back to San Francisco. In 2010 he moved to Japan to complete his training in the submucosal endoscopic dissection technique that he would later on introduce in Andalusia in 2011, thus becoming one of the pioneers in the performance of this technique in Spain. In 2011 he became the first medical professional in the world to use the 15-mm AXIOS stent in pancreatic fluid collection drainage. In 2018 he began to perform gastroenteroanastomosis with luminal apposition stent in patients with pancreatic cancer and bowel obstruction, thus becoming a pioneer in Andalusia to perform such technique.

    He is a coauthor of the reference guides of the European Society of Gastrointestinal Endoscopy on the endoscopic treatment of chronic pancreatitis and non-variceal gastrointestinal haemorrhage.

    Professional Experience

    Over 24 years' experience

    1999 - Degree in Medicine and Surgery. Malaga University, Spain.

    2003 to 2006 - Medical Residency in the Digestive System at the Virgen Macarena Hospital in Seville, Spain.

    2006 - International Scholar at the California Pacific Medical Center in San Francisco, USA.

    2007 – Digestive System Specialist at the Costa del Sol Hospital, Marbella. Spain.

    2008 - California Pacific Medical Center in San Francisco, USA.

    2009 - Top Reviewer Award received from the Gastrointestinal Endoscopy Journal.

    2011 – Pioneer in Spain in the introduction of the submucosal endoscopic dissection technique.

    2011 – First professional in the world to use the AXIOS (15mm) stent for pancreatic fluid collection drainage.

    2016 - Gold Medal of the Andalusian Society for Digestive Disease (SAPD, in its Spanish abbreviation).

    2017 - Fellow of the American College of Gastroenterology (FACG).

    2018 - Pioneer in Andalusia to perform gastroenteroanastomosis with luminal apposition stent to treat bowel obstruction.

    2019 - Fellow of the American Society for Gastrointestinal Endoscopy (FASGE).

     

    The Digestive System Unit of the Quirónsalud Marbella Hospital offers a patient service portfolio that includes all the clinical aspects of gastroenterology, hepatology, biliary duct and pancreatic disease, as well as the diagnostic and treatment techniques used in this speciality such as abdominal ultrasound, endoscopy and other functional tests.

    Our specialists have solid professional backgrounds and the team is highly qualified for the diagnosis and treatment of complex diseases such as conditions related to acidity (gastric ulcers, helicobacter pylori, gastroesophageal reflux disease), enteropathies (Crohn's Disease, ulcerative colitis; coeliac disease...), viral hepatitis, hepatic cirrhosis, pancreatic disease...

    The Digestive System Unit of the Quirónsalud Marbella Hospital is a pioneer in the implementation of a specific check-up programme for digestive disease with special attention to the diagnosis and treatment of colon precancerous lesions.

    Diseases, treatments and techniques:

    • Diagnostic and therapeutic endoscopic ultrasound

    • Endoscopic resection techniques (mucosectomy/submucosal dissection)

    • Submucosal or third-space endoscopy (POEM and variants)

    • Bariatric endoscopy (Apollo Method)

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Gabor Posfai

  • 4.1 Good 14 reviews
  • 26 years of experience
  • Hungary, Budapest, Liv Duna Medical Center
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Oscar Pope Rodriguez

  • New
  • 31 years of experience
  • Mexico, Coahuila, OBESITY FREE-DR. GABRIEL ROSALES GENERAL AND BARIATRIC SURGERY
  • 1976-1988 PROFESSIONAL: SCHOOL FACULTY OF MEDICINE

    AUTONOMOUS UNIVERSITY OF NEW LEON

    PROFESSIONAL CERTIFICATE: 1592528

    1988-1989 SOCIAL SERVICE: FRANCISCO VILLA URBAN HEALTH CENTER.

    STATE OF NEW LEON

    1990-1994 POSTGRADUATE GENERAL SURGERY: HOSPITAL JOSE A. MUGUERZA SA DE CV

    RECOGNITION OF OFFICIAL VALIDITY GRANTED BY THE UNIVERSITY OF

    MONTERREY

    FROM THE STATE OF NUEVO LEON

    AVE. I. MONTES PRIETO 4500 PTE. CP 66238 SAN PEDRO GARZA NUEVO LEON

    1991-1994 LAPAROSCOPIC SURGERY: HOSPITAL JOSE A. MUGUERZA SA DE CV

    HIDALGO PTE. 2525 CP 6406 MTY NUEVO LEON

    SPECIALTY ID: 3278462

    2005-2006 AESTHETIC MEDICINE AND ANTI-AGING

    IMMAE GUADLAJARA JALISCO AUTONOMOUS UNIVERSITY OF GUADALAJARA

    IV.- OTHER STUDIES

    MARCH1991 “PHYSIOLOGY OF THE HEART”

    MUGUERZA SA HOSPITAL

    MARCH 1992 “GENERALITIES OF THE DIGESTIVE SYSTEM”

    MUGUERZA SA HOSPITAL

    MARCH 1992 “ADVANCED CARDIO-PULMONARY RESUSCITATION”

    MUGUERZA SA HOSPITAL

    MARCH1992 INTERNATIONAL COURSE ON GENERAL SURGERY “COMPLICATIONS

    “POST-OPERATIVES”

    CINTERMEX MONTERREY FOUNDRY PARK NUEVO LEON

    SEPTEMBER 1992 “BASICAL TECHNIQUES FOR THORACIC TRAUMA SURGERY”

    “ABDOMINAL AND VASCULAR”

    PAN AMERICAN TRAUMA SOCIETY

    MAY 1993 SPEAKER: CONGRESS 700 CASES OF CHOLECYSTECTOMY BY

    LAPAROSCOPY

    II NATIONAL CONGRESS OF LAPAROSCOPIC SURGERY IXTAPA GUERRERO

    MAY 1994 CERTIFIED BY THE GENERAL SURGERY COUNCIL.

    MEDICAL SPECIALISTS HOSPITAL No. 25 IMSS MONTERREY NUEVO LEON

    OCTOBER 1997 SPEAKER “FIRST REGIONAL COURSE ON LAPAROSCOPIC SURGERY”

    PIEDRAS NEGRAS MEDICAL COLLEGE COAHUILA

    JANUARY-MARCH 2006 SPEAKER “INTRAHOSPITAL AND EMERGENCY MANAGEMENT OF

    “CRITICAL PATIENT” PIEDRAS NEGRAS SPECIALIST CLINIC COAHUILA

    AUGUST-SEPTEMBER 2006 COURSE “ANTI-AGING AESTHETIC MEDICINE”

    INSTITUTE OF AESTHETIC AND ANTI-AGING MEDICINE GUADALAJARA JALISCO

    V.- WORK AREA

    1994-1995 COAHUILA STATE TEACHING HOSPITAL

    GENERAL SURGEON.

    1994-2022 CLINIC SPECIALISTS SA

    GENERAL SURGEON.

    1996-2022 ISSSTE PIEDRAS NEGRAS HOSPITAL CLINIC COAHUILA

    GENERAL SURGEON

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Sadyk Yildirim

  • 4 Good 2 reviews
  • Turkey, Istanbul, Kolan Hospital Group
  • Surgeon, oncologist, specialist in the field of digestive system surgery and breast oncology.

    25 years old

    • Worked in clinics in the USA and Great Britain.
    • Board Certified in Gastrointestinal Surgery by Johns Hopkins Institute, USA
    • Certified as a specialist in laparoscopic surgery by the Port de Choisy Medical Center, France.
    • Director of the American College of Surgeons for students from Turkey.
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Levent Demirturk

  • 4.2 Good 32 reviews
  • 40 years of experience
  • Turkey, Istanbul, Emsey Hospital
  • Dr. Levent Demirturk is a gastroenterologist with over 40 years of experience. He graduated from Hacettepe University Faculty of Medicine in 1982. He completed his Internal Medicine training at GATA in 1989. He then specialized in Gastroenterology in 1992.

    Dr. Demirturk has held important academic roles, including Professor and Ward Chief at GATA Haydarpaşa. He was also a member of the Higher Science Council. He has made valuable contributions to clinical practice and medical education. He has led teams and managed cases at major hospitals such as Emsey and Hisar.

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Find out about the best doctors here

20 top ranked Gastroenterology doctors in the world are represented on this page. The list includes only verified specialists known for their experience and high success rates.

The ranking is composed according to the Bookimed patient reviews and considers the rating of hospitals where doctors practice.

Top 5 Gastroenterology doctors on Bookimed.com:

How to choose the best Gastroenterology doctors in the world?

The specialist’s CV contains details about the doctor’s expertise and work experience, education, scientific research, and languages spoken. Compare information on several specialists, read carefully about their experience, success rates, and methods they apply. Make sure the chosen doctor has relevant experience in the treatment of a medical issue you are looking for. Read reviews of patients who had a consultation with the chosen specialist.

Famous Gastroenterology doctors have vast experience, continue education constantly, participate in professional associations and have positive feedback from patients treated.

What is the cost of a doctor's consultation?

The price for the consultation on Gastroenterology varies between experts and depends on certain factors, such as:

  • the country of practicing
  • the clinical experience and reputation
  • the medical degree and educational background
  • the doctor’s workload
  • medical developments, proprietary techniques used, and awards, if any.

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Where you go for medical treatment

Ruberto Fausto De

  • 4.6 Excellent 9 reviews
  • Italy, Milan, La Madonnina Clinic
  • Dr. Fausto De is a Gastroenterology and Bariatric Surgery specialist at the Madonnina Clinic in Milan, Italy, who specializes in treating Gastritis, Ascites, Obesity, Stomach Ulcer and Colon Cancer. He speaks Italian.
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Rifaat Safadi

  • 4.2 Good 12 reviews
  • 37 years of experience
  • Israel, Jerusalem, Hadassah Medical Center
  • EDUCATION AND ADVANCED TRAINING COURSES

    • 1989 - received higher medical education at the Hebrew University;
    • 1995 - completed residency in internal medicine and gastroenterology at the Hadassah University Hospital.
    • 2001 - 2002 - Internship with Professor Scott Friedman in the Department of Liver Diseases at Sinai School of Medicine in New York.

    Today, Professor Rifaat Safadi is an outstanding specialist in the field of liver disease treatment, a member of the committee for the development of the somatic cell transplant center and the head of the liver disease unit at Hadassah Medical Center. The professor is a member of several international associations for the study of the liver and is the author of numerous articles in his specialty. Professor Safadi is a member of the editorial board of the scientific medical journal Clinical Science.

    Rifaat Safadi is a laureate of many scientific awards. In particular, he has been repeatedly awarded the Hadassah Prize for studying the process of immune modulation of liver fibrosis using mRNA. For achievements in the same field, the professor received the Sharon Donsky and the Israeli Association of Gastroenterology and Hepatology awards.

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Shimon Reif

  • 4.2 Good 12 reviews
  • 33 years of experience
  • accreditations:
  • Israel, Jerusalem, Hadassah Medical Center
  • Doctor Shimon Reif is a highly experienced pediatric gastroenterologist in Israel, and is the Head of the Department of Pediatrics at Hadassah Medical Center. He has extensive experience treating liver and gastrointestinal tract illnesses in children, and is a WHO expert in the development of protocols for diagnosing and treating these conditions. Dr. Reif is the co-author of a novel method of non-malignant disease treatment and has published over 50 research articles on the subject. He is a member of various professional organizations such as the Israeli Pediatric Association, the American Gastroenterological Association, and the European Society for Paediatric Gastroenterology, Hepatology and Nutrition.

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Eitan Scapa

  • New
  • Israel, Tzrifin, Assaf Harofeh Medical Center
  • Prof. Eitan Scapa - Leading  gastroenterologist of Israel, a specialist in the treatment of diseases of the stomach and liver. Head of the  Gastroenterology and Liver tretment department at the Asaf-a-Rofe Medical Center.

    Education and clinical experience:

    •   Graduated from the Faculty of Medicine at Tel Aviv University;
    •   Passed internship on gastroenterology;
    •   Trained in the Israeli and foreign clinics;
    •   He has held various positions in  "Assaf-a-Rofe" Medical Center.

    Membership in professional associations:

    • American Gastroenterology Association;
    • Israel Gastroenterology Association.

    Professor Scapa is the author of many scientific publications and techniques, including the world famous was the so-called "video tablet" - a miniature video camera, is swallowed by the patient and allows to record images of the digestive tract.

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Yoram Bujanover

  • 5 Excellent 2 reviews
  • accreditation:
  • Israel, Ramat Gan, Sheba Medical Center
  • Dr. Yoram Bujanover is a specialist in pediatric gastroenterology who has over 45 years of experience. He is a Senior Specialist at the Pediatrics Department in Edmond and Lily Safra Children's Hospital at Sheba Medical Center and is a member of the American Gastroenterological Association and the Israel Gastroenterology Association. He has a degree from the Sackler Faculty of Medicine in Tel Aviv University (Israel).

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Maor Lachav

  • 4.5 Good 11 reviews
  • Israel, Tel Aviv, Assuta Medical Center
  • Dr. Maor Lahav is a leading Israeli gastroenterologist and head of the Department of Invasive Endoscopy (examination using an endoscope).

    Maor Lahav is one of the few doctors in Israel who performs radiofrequency ablation on patients with Barrett's esophagus. The essence of the method is that the doctor destroys cancer cells in the upper layer of the mucous membrane using radio waves. Healthy cells grow in their place.

    Education

    • Residency in Gastroenterology at Chaim Sheba Medical Center;
    • Internship and laboratory research at the University of Chicago Hospital (USA).

    Membership in associations

    • American Gastroenterological Society;
    • Israel Gastroenterology Association.
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Mordechai Gutman

  • 4.5 Good 11 reviews
  • Israel, Tel Aviv, Assuta Medical Center
  • Oncosurgeon

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Fernando Azpiroz

  • 4.3 Good 6 reviews
  • 43 years of experience
  • accreditation:
  • Spain, Barcelona, Hospital Quiron Barcelona
  • Dr. Fernando Azpiroz Vidaur is a highly experienced gastroenterologist with over 35 years of experience in gastrointestinal research, gut disorders, gut motility, visceral sensitivity, and intestinal gas dynamics. He has received medical degrees from the University of Valladolid and San Carlos University Hospital in Madrid, a fellowship from Mayo Clinic's Gastrointestinal Research Unit, and numerous awards for his clinical research. He is also the President of the European Society of Neurogastroenterology and Motility and a Councilor of the International Motility Group.

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Michael Trauner

  • 4.6 Excellent 18 reviews
  • 31 years of experience
  • Austria, Vienna, Vienna General Hospital (AKH)
  • Gastroenterologist, hepatologist
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Gerhard Prager

  • 4.6 Excellent 18 reviews
  • accreditations:
  • Austria, Vienna, Vienna General Hospital (AKH)
  • Professor Gerhard Prager is a highly experienced bariatric surgery specialist with over 3,000 operations for obesity treatment. He is the head of the Obesity Outpatient Clinic in Vienna General Hospital and head of the Metabolic Surgery Center in Confraternitaet Private Hospital. He is a member of several organizations such as the IFSO-European Chapter, the Austrian Obesity Association, the International Federation for the Surgery of Obesity and Metabolic Disorders, the Austrian Society of Surgery, the Austrian Society of Bariatric Surgery, and the American Society for Metabolic & Bariatric Surgery.

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Jong Kyun Lee

  • 4.5 Good 22 reviews
  • accreditation:
  • Republic of Korea, Seoul, Samsung Medical Center
  • Prof. Jong Kyun Lee is a highly experienced gastroenterologist specializing in the management of pancreatic, bile duct and gallbladder cancers, pancreatitis, and gallstones. He has worked at Samsung Medical Center and holds degrees from the Seoul National University College of Medicine and the University of California. He is a member of several organizations, including The Korean Society of Gastrointestinal Endoscopy, The Korean Society of Gastroenterology, and The Korean Pancreatobiliary Association.

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$17,600 - $25,000
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Lee, Kyu Taek

  • 4.5 Good 22 reviews
  • accreditation:
  • Republic of Korea, Seoul, Samsung Medical Center
  • Professor Kyu Taek Lee is a top gastroenterologist from South Korea, specializing in the management of pancreatic, bile duct and gallbladder cancers. He is a Gastroenterology specialist at Samsung Medical Center and has degrees from Hanyang University College of Medicine, Stanford University School of Medicine, and Kyoto Second Red Cross Hospital. He is also a member of The Korean Society of Gastrointestinal Endoscopy and The Korean Society of Gastroenterology.

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$17,600 - $25,000
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Ezgi Sevic

  • 5 Excellent 1 review
  • 6 years of experience
  • Turkey, İzmir, Assoc.Prof.Dr.Cemal Kara / Medical Park İzmir Hospital
  • NUTRITION AND DIET SPECIALIST 

    Ezgi Sevic graduated from Hacettepe University, Department of Nutrition and Dietetic as Honor Student. During her education, she conducted studies on “'The Effect of Hedonic Eating Behavior on Obesity', 'Total Parenteral Nutrition in Children' and 'The Relationship Between Insulin Resistance and Obesity'.” During her education, she took part in the field in studies on determining the nutritional status of the society. She worked as intern dietitian in Hospitals of Hacettepe University (Oncology Hospital, Adults Hospital, İhsan Doğramacı Child Hospital), Dışkapı Yıldırım Beyazıt Training and Research Hospital and many Community Health Centres. 
    She worked in Izmir Private Ekol Hospital. She successfully completed the 'Bariatric Nutrition Course' and the 'Innovations in Obesity Course'. She has participated in many training and seminar programs in her field. 

    Interests: Post- Metabolic and Bariatric Surgery Nutrition, the Nutrition in Chronicle Diseases, Nutrition in Individuals with Diabetes, Nutrition in Cancer, Nutrition in Congenital Metabolic Diseases, Food Intolerances, Body Weight Control, Child and Adolescent Nutrition, Nutrition in Old Age, Nutrition in Pregnancy and Lactation.

    Dietit. Ezgi Sevic knows advanced English. 

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Erdem Kocak

  • 5 Excellent 6 reviews
  • 25 years of experience
  • Turkey, Istanbul, Liv Hospital Vadistanbul
  • Dr. Erdem Koçak is a gastroenterologist with international training. He is certified in advanced endoscopic and bariatric procedures from Johns Hopkins University (USA) and Hallym University (South Korea). Dr. Koçak is one of the few Turkish specialists with global accreditation in advanced endoscopic techniques.

    He is known for minimally invasive treatments of early-stage gastrointestinal tumors. Dr. Koçak provides non-surgical options for esophageal, gastric, and colorectal cancers. He is also a pioneer in non-surgical obesity treatments, such as gastric balloon and stomach Botox procedures.

    Dr. Koçak has published over 100 international scientific articles and contributed to three book chapters. He has presented at more than 100 medical congresses. He is recognized as a leading academic in his field. Dr. Koçak is trained in both internal medicine and gastroenterology. He works as a chief physician and specialist in major hospitals across Turkey.

    He is a member of five respected medical associations, including the Turkish Society of Gastroenterology and TSGE. This ensures he stays updated with the latest medical advances.

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Choosing Right Doctor and Clinic: Insider Tips

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