Best Cholelithiasis gastroenterologists: TOP 152 doctors

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.

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.

Dr. Arnulf Ferlitsch is a specialist in internal medicine, gastroenterology, and hepatology. He completed his medical studies in Vienna in 1998. He continued his training at top institutions, including UCLA and the University of Pennsylvania. From 2000 to 2010, he focused on internal medicine, gastroenterology, hepatology, and intensive care.

Dr. Ferlitsch has received several research awards, such as the UEGW Best Abstract Award (2003, 2005, 2008, 2009, 2010, 2012), the Ferring Prize, and the Skoda Prize. He founded the hepatic hemodynamics laboratory and the liver cirrhosis outpatient clinic at the Medical University of Vienna. Since 2018, he has led the Department of Internal Medicine I at the Hospital of the Barmherzigen Brüder in Vienna.

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 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. 

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. 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 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 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 Sy 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 sy 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 -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

Dr. Tülin Kendir Koçak is a board-certified gastroenterologist and internal medicine specialist. She has over 25 years of clinical experience. Dr. Koçak is skilled in advanced endoscopic procedures such as esophagogastroduodenoscopy, colonoscopy, chromoendoscopy, and flexible rectosigmoidoscopy. She has performed many specialized interventions, including esophageal variceal band ligation, achalasia balloon dilatation, polypectomy, foreign body removal, and percutaneous endoscopic gastrostomy (PEG).

Dr. Koçak graduated from Istanbul University Cerrahpasa Faculty of Medicine. She completed her advanced training at leading hospitals in Turkey. She has held important roles in both public and private healthcare institutions. Dr. Koçak’s extensive hands-on experience makes her a respected expert in gastroenterology.

General and oncologist surgeon for more than 20 years of experience. 

Gastroenterologist

Crohn's disease

Ulcerative colitis

Other autoimmune diseases

Gastritis

Ulcers of the stomach and duodenum

Precancerous conditions of the gastrointestinal tract

Irritable bowel syndrome

Chronic diarrhea

Chronic constipation, etc.

SPECIALIZATION:

Gastroenterologist

EDUCATION:

Azerbaijan State Medical University

COURSES:

Graduated from the Azerbaijan State Medical University. In different years, he participated in seminars held in Azerbaijan by German, Colombian, Swiss, Russian and Ukrainian specialists on "Basics of Homotoxicology", gastroenterology, isopathy, acupuncture and neurotherapy, and received the relevant certificates. At the Sisli Etfal Hospital Egitim Araştırma in Istanbul he attended the refresher courses on "Metabolic Disorders and Obesity", Ege University of Izmir on "Inflammatory Bowel Diseases" and at the same time he attended the Congress on Bioregulatory Drugs in Germany. He attended the courses held Individual Medical Association in Ankara, on the topic of "-CGF and Serum Ozonation". Currently working as a gastroenterologist in the clinic of biological medicine. Has successful results in the treatment of a number of chronic diseases of the gastrointestinal tract.

EXPERIENCE:

21 years old

Dr. Abu Shamsiya Rami Nuamanovych is a specialist in general and laparoscopic surgery, oncology, and ultrasound diagnostics. He is a Candidate of Medical Sciences, an associate professor, and a doctor of the highest category. Dr. Nuamanovych is a member of the Ukrainian Association of Bariatric Surgeons and the World Organization of Bariatric Surgeons (IFSO).

He works as a WHO consultant on laparoscopic surgery. He is also President of the Association of Arab Doctors of Ukraine. Dr. Nuamanovych has performed thousands of surgeries, including hernia repairs, bariatric procedures, and cancer operations. His skills are recognized internationally. He speaks English and Arabic fluently.

Dr. Jaydeep Palep is a bariatric and upper GI surgeon with 17 years of experience. He specializes in minimally invasive and robotic weight loss surgeries. Dr. Palep is one of the first surgeons in India trained in Banded Bypass, Banded Sleeve Gastrectomy, and Mini Gastric Bypass. He has also received advanced training in Robotic GI Surgery in Italy and the USA.

Dr. Palep’s bariatric practice is certified as a Center of Excellence by the International Excellence Foundation (IEF). His practice has a morbidity rate of just 1%, which matches global standards. More than 90% of his diabetic patients stop using and oral medications after surgery. He has published many articles in international journals and is invited to speak at conferences around the world.

Viral hepatitis A, B, C, D

Cirrhosis

Autoimmune liver diseases

Fatty liver

Diseases of the stomach and intestines

Diseases of the pancreas

Services in the field of biological medicine:

Treatment of various drug-induced liver poisonings, viral hepatitis (hepatitis B, hepatitis C), hepatosis, hepatosterosis, autoimmune hepatitis.

EDUCATION: Azerbaijan Medical University

EXPERIENCE:

2009-2010 General practitioner in a private clinic.

Clinic of biological medicine since 2011.

TRAINING AND MEMBERSHIP:

In 2013-2014, internship on viral hepatitis at the Department of Microbiology and Infection, as well as at the Department of Gastroenterology, Faculty of Medicine, Ege University, Turkey.

Ankara Hacettepe Hospital

Candidate of Medical Sciences, surgeon of the highest qualification category, specialist in ultrasound diagnostics. Performs laparoscopic and open surgeries on abdominal organs, specializes in minimally invasive surgeries under ultrasound navigation. Conducts ultrasound examinations of abdominal organs, abdominal space and soft tissues. Co-author of more than 30 scientific papers and 4 patents for a utility model in medicine.

The doctor conducts a consultative reception, including an appointment and consultation with a surgeon. Performs ultrasound examinations of the abdominal organs, retroperitoneal space and soft tissues. Performs minimally invasive surgeries under ultrasound navigation, such as puncture and drainage of the omental bursa in acute necrotic pancreatitis, drainage of retroperitoneal tissue sections, puncture and drainage of cysts and liver abscesses, drainage of pancreatic pseudocysts, as well as cholangiostomy and cholecystostomy in mechanical jaundice. Also performed are surgeries for hernias of the anterior abdominal wall and for diseases of soft tissues, including laparoscopic and open surgeries for various conditions, including acute appendicitis and chronic calculous cholecystitis.

The doctor analyzes the patient's health condition, taking into account his physical, social and psychological characteristics. Selects the optimal treatment and monitors its implementation, and also ensures long-term monitoring of the patient's health. Organizes consultations with specialized specialists, refers for laboratory tests and diagnostic procedures, conducts preventive and explanatory work with the patient and his family.

The doctor treats such diseases as anaphylactic shock, arterial hypertension, ischemic heart disease, angina pectoris, chronic obstructive pulmonary disease. Also treats cystitis, gastritis and acute respiratory viral infection.

Prof. Dr. Erdem Akbal was born in 1978 in Kırıkkale. In 2015, he received training at the Johns Hopkins Hospital Advanced Endoscopy Unit, focusing on Endoscopic Ultrasonography and advanced endoscopic procedures. In 2017, he trained at the Amsterdam Academic Medical Center in techniques such as endoscopic submucosal dissection, endoscopic mucosal resection, diffuse esophageal spasm, and endoscopic full-thickness resection for treating early-stage gastrointestinal sy tumors. He also received training in high-resolution manometry and POEM (Peroral Endoscopic Myotomy) for diagnosing esophageal diseases like achalasia. In 2018, he furthered his education in ESD and Balloon Enteroscopy at Jichi University.

Dr. Olga Krast is the Chief Executive of BIOAGE Clinic. She is known for her skills in Anti-Aging Medicine, Beauty Therapy, Non-Surgical Facial Aesthetics, and Psychotherapy. Under her leadership, BIOAGE Clinic has become a leader in anti-aging treatments. She has treated over 5,000 patients, with a satisfaction rate of more than 97%.

Dr. Krast holds several international accreditations in aesthetic medicine and psychotherapy. She often attends global conferences to stay updated in her field. Her work in non-surgical facial rejuvenation has improved patient care and safety. She is widely recognized as an expert in her specialty.

Prof. Filippini began his career in 1980 and has been teaching at the University of Chieti since the 1990s in the fields of General Surgery, Microsurgery, Reconstructive Surgery, Vascular Surgery, Orthopedics, and Gynecology. His primary focus is oncological surgery, particularly specializing in "The surgical treatment of locally advanced tumors and multi-organ resections." He has enriched his expertise by visiting prominent reference centers in the United States, including the Memorial Sloan Kettering Cancer Center in Manhattan, New York City. There, he delved into minimally invasive, laparoscopic, and microsurgical techniques under the guidance of esteemed mentors such as John Daly, Michele Gagner, and Murray Brennan. Additionally, in 2005, he further expanded his skills at the City of Hope Oncology Center in Los Angeles, focusing on robotic surgery in oncology.

In 1980, Prof. Filippini graduated in Medicine and Surgery from the G. D'Annunzio University of Chieti in Italy with honors, presenting an experimental thesis on lympho-venous anastomosis using microsurgical techniques. He completed his specialization in general surgery at the University of Pisa with distinction after five years. In 1990, he obtained another specialization in Plastic and Reconstructive Surgery from the University of Padua in Italy, where he maintained a stellar academic record.

Prof. Filippini has presented at numerous national and international conferences and authored over 100 scientific publications. Additionally, he has co-authored two monographs.