Page 5 - Best Gastroscopy with biopsy doctors: TOP 101 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.

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. Osman Aktas has been serving as a general surgeon at Ataşehir Avicenna Hospital since 2005. Born in Kayseri in 1960, he graduated with his medical degree from Ankara University in 1983. Following his graduation, he fulfilled his military service in medical units for two years. He completed his general surgery residency at GATA from 1986 to 1990. After specializing in general surgery, He held key positions as head of general surgery departments and chief physician in several prominent military hospitals, including Tatvan, Diyarbakır, Ankara, and Manisa.

Dr. Osman has had a special focus on endoscopic surgery since 1995. He received advanced training in laparoscopic surgery techniques in Germany and has successfully performed a wide range of laparoscopic procedures. His expertise extends to gallbladder surgery, abdominal wall and inguinal hernia repairs, appendicitis, reflux and stomach surgeries, as well as complex cases such as gastrointestinal tumors, intestinal obstructions, and various other intestinal diseases, all managed through minimally invasive methods.

In 2002, Dr. Osman transitioned to the private sector, where he broadened his practice to include modern treatments for anal diseases like hemorrhoids, fistulas, and fissures, utilizing advanced techniques such as laser therapy.

Dr. Osman is also recognized for his significant contributions to oncological surgery. He has a wealth of experience in the surgical treatment of various cancers, including breast and thyroid cancer, where he has implemented new treatment methods that reduce the risk of complications. His surgical expertise spans critical cancer surgeries, such as the Whipple procedure for pancreatic cancer, colorectal cancer resections, gastric cancer, and other complex malignancies. Additionally, his skills in metabolic surgery have led to lasting outcomes for patients suffering from obesity and diabetes, ensuring a better quality of life through sustained weight loss and reduced risk of diabetes.

With his vast experience and advanced skills in both laparoscopic and cancer surgeries, Dr. Osman remains at the forefront of surgical excellence, offering innovative and comprehensive care to all his patients.

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 insulin and oral medications after surgery. He has published many articles in international journals and is invited to speak at conferences around the world.

Education

MSc Faculty of Medicine (ING) Hacettepe University 1991-1997
Specialization Department of Pediatrics Dicle Universityniversitesi 1997-2002
Minor Cerrahpaşa Faculty of Medicine Pediatric Hematology & Oncology Department Istanbul University 2006-2009
Bone Marrow Transplant Unit MP Göztepe Hospital 2012-2013

Experience

Assistant Professor
Afyon Kocatepe University/Faculty of Medicine/Internal Medical Sciences
2003-2009 Department/ÇDepartment of Pediatrics)

Assistant Professor
Istanbul University/Cerrahpaşa Faculty of Medicineltesi/Internal Medical Sciences
2006-2009 Department of Pediatrics)

Pediatric Hematology Specialist Diyarbakır Children's Hospital, Pediatric Hematology compulsory service 2009-2012
Transfer Ünitesi Assistant Hematology Specialist Private Medical Park Göztepe Hospital Bone Marrow Transplant Unit Assistant Responsible Pediatric Hematology Specialist
2012-2013

Assistant Professor
Akdeniz University / Faculty of Medicine / Department of Internal Medical Scienceslümü/Department of Pediatrics)
2013-2014

Assistant Professor Marmara University/Faculty of Medicine/Department of Internal Medical Sciences/Department of Pediatrics) 2014-2024

Scientific Memberships

Turkish Society of Hematology
Turkish Pediatric Hematology Association
Marmara Pediatric Association
Turkish Pediatric Society
Istanbul Medical Chamber
EBMT (European Bone Marrow Transplantation)

Education

Doctor: Kilis Merkez No. 1 Health Center, 2006-2008
Assistant Doctor: Mersin University Faculty of Medicine, 2009-2013
Specialist Doctor: Bingöl Genç State Hospital, 2013-2014
Minor Assistant: Akdeniz University Faculty of Medicine, 2014-2017
Minor Specialist: Erzurum Regional Training and Research Hospital, 2017-2018
Subspecialist: Gaziosmanpaşa Training and Research Hospital, 2018-2020
Attending Specialist: Başakşehir Çam and Sakura City Hospital, 2020-2022
Associate Professor: Başakşehir Çam and Sakura City Hospital, 2023
Associate Professor: Istinye University Medicalpark Gaziosmanpaşa Hospital, 2023-2024

Scientific Memberships

Turkish Pediatric Society
Turkish Society for Pediatric Gastroenterology Hepatology and Nutrition
ESPGHAN - European Society for Pediatric Gastroenterology Hepatology and Nutrition.

Medical Intrests

• 
  -Irritable (Restless) Bowel Syndrome
• -Food allergies associated with the digestive system
• -Constipation, faecal incontinence
• -Acute and chronic diarrhoea, malabsorption
• -Chronic abdominal pain
• -Gastroesophageal reflux disease
• -Celiac disease
• -Ulcerative colitis, Crohn's disease
• -Treatment before and after liver transplantation
• -Acute and chronic pancreatitis

Education

Cumhuriyet University Faculty of Medicine, 2004
Istanbul Haydarpaşa Training and Research Hospital Internal Medicine Residency, 2010
Karadeniz Technical University Faculty of Medicine Medical Oncology Residency, 2015

Experience

MD Andeson Cancer Center, USA, 2008
Sunnybrook Odette Cancer Center Breast Cancer Clinic, Canada, 2017
Moffit Cancer Center , USA 2022
Istanbul Haydarpaşa Training and Research Hospital Internal Medicine, 2010
İdil State Hospital Internal Medicine Clinic, 2011
Karadeniz Technical Universityniversitesi Faculty of Medicine, Medical Oncology Clinic, 2015
Istanbul Göztepe Training and Research Hospital, Medical Oncology Clinic, 2018
Yeniyüzyıl University Gaziosmanpaşa Hospital, Medical Oncology Clinic, 2020
Ataşehir Medicana Hospital, Medical Oncology Clinic, 2022

Scientific Membership

Turkish Medical Association (TTB)
Turkish Society of Medical Oncology (TTOD)
European Society for Medical Oncology (ESMO)
American Society of Medical Oncology (ASCO)

Medical Intrests

• Breast Cancer
• Lung Cancer
• Colon Cancer
• Stomach Cancer
• Rectal Cancer
• Ovarian Cancer
• Liver Cancer
• Oesophageal Cancer - Oesophageal Cancer
• Kidney Cancer
• Larynx Cancer - Cancer of the Larynx
• Thyroid Cancer
• Head and Neck Cancers
• Gynaecological Cancers
• Pancreatic Cancer
• Oesophageal Cancer - Oesophageal Cancer
• Uterine Cancer
• Brain Cancers - Brain Tumours
• Soft Tissue Cancer - Sarcomas
• Prostate Cancer
• Bladder Cancer
• Bile Tract Cancer
• Testicular Cancer
• Cervical Cancer
• Mouth, Tongue, Lip Cancers
• Gastrointestinal System Cancers
• Bone Tumours
• Trachea and Bronchial Cancers
• Skin Cancers - Skin Cancers
• Skeletal System Tumours
• Gallbladder Cancer
• Mesothelioma

Medical Interests and Activities 

• Gastrointestinal diseases 

• Oncologic laparoscopic surgery 

• Anorectal area diseases 

• Urgent surgical cases (acute cholecystitis, divertikülit, ileus, pankreatit, appendicitis) 

• Colon and rectum cancer 

• Treatment of oncologic surgical cases with further laparoscopic and robotic surgery. • Laparoskopik hernia surgery 

• Esophagus and stomach cancer 

• Selim anorectal diseases (hemorrhoidal disease, anal fissure), perianal fistula, pilonoidal sinus (hairless- non-surgical treatment)

Education and Experience 

• İstanbul University Medical Faculty 1988 • University of Colorado Health Science Center – Intern Surgeon 

• Isparta, Dedeçam Şehit Ramazan Karaca Health Center (1995-1996) • İstanbul Surgery Hospital – American Hospital (2000-2001) 

• Chief assistant Istanbul Medical Faculty, Department of General Surgery (2001-2008) • World Congress on Peritonel Surface Malignancies (HIPEC course) Berlin, Germany (2012) 

• USC Keck School of Medicine, Los Angeles, CA, USA (2006-2007) 

• Assoc. Prof. M.D. , İstanbul Medical Faculty General Surgery (2008-2014) 

• Da Vinci Robotic Intensive Course at IRCAD, Strasbourg, France (2011) 

• Stony Brook Medicine Cadaver Training Event in Colon and Rectal Surgery, New York, USA (2016) (Instructor) 

• Fellow of the European Board of Surgery- Emergency Surgery (FEBS EmSurg) Honorary Diploma (2017) 

• Prof. M.D. , İstanbul Medical Faculty General Surgery (2014 -2017) 

• İstanbul University Medical Faculty – General Surgery Master of Science 1996 

• University of Southern California Medical Center, Department of General Surgery, Los Angeles, USA – February 2006 – February 2007

Scientific Publications • Endoscopic Laparoscopic & Minimal Invasive Surgery Journal Editorial Board / National Scientific Committee • UTACD Assist. Editor

Areas of Interests

• Pituitary Diseases
• Thyroid Diseases
• Obesity
• Diabetes
• Female and Male Reproductive System Diseases
• Parathyroid Diseases
• Adrenal Gland Diseases
• Osteoporosis and Metabolic Bone Diseases

Education:

• Hacettepe University Faculty of Medicine
• Bezmialem Foundation University
• Health Sciences University Bakirkoy Dr. Sadi Konuk Training and Research Hospital
• Cleveland Clinic, The Endocrinology and Metabolism Institute observer physician
• University of Piemonte Orientale, SCDU Endocrinology, Italy, observer physician
   

Experience:
 

• Mehmet Akif Inan Training and Research Hospital
• Bakirkoy Dr. Sadi Konuk Training and Research Hospital
• Bezmialem Vakif University Hospital
• Malatya State Hospital

Areas of Interests

• General Gastrointestinal Diseases
• Endoscopic procedures (gastroscopy, colonoscopy, enteroscopy, capsule endoscopy)
• Interventional endoscopy
• ERCP
• Endoscopic ultrasonography (EUS)
• Cholangioscopy
• Diseases of the biliary system and pancreas

Education:
 

• 1990 -1996 Ankara University Faculty of Medicine
• 1997 - 2001 Ankara Numune Training and Research Hospital Internal Medicine Residency
• 2001 - 2003 Turkey High Specialization Training and Research Hospital, Gastroenterology Subspecialization
• 2010 - 2010 State University of New York, USA, Department of Gastroenterology, EUS training program
   

Experience:
 

• June 2024 LIV Hospital Ulus Hospital
• 2018 - 2024 Florence Nightingale Hospitals, Gastroenterology Clinic
• 2013 - 2018 Memorial Ataşehir Hospital, Gastroenterology Clinic
• 2008 - 2013 Gaziantep University Faculty of Medicine, Department of Gastroenterology, Assoc. Prof. Dr.
• 2008 - 2008 Medicalpark Gaziantep Hospital Gastroenterology Clinic
• 2004 - 2008 Gaziantep State Hospital Gastroenterology Clinic, Endoscopy Unit Founding Physician

Publications

• Arhan M, Koklu S, Koksal AS, Yolcu OF, Koruk S, Koruk I, Kayacetin E. Alverine citrate induced acute hepatitis. World J Gastroenterol 2004; 10(15): 2303-4  ISSN: 1007-9327
• Parlak E, Cicek B, Koruk I, Disibeyaz S, Sahin B. Successful prevention of stent migration caused by placement of a second stent. Endoscopy. 2005; 37(4): 404. ISSN: 0013-726X
• Koruk I, Ozturk ZA, Köklü S, Koruk S, Ozdede S. Port-site metastasis after laparoscopic cholecystectomy. Acta Gastroenterol Belg. 2008; 71(2): 283-4      ISSN:0001-5644
• Koruk I, Parlak E, Secilmis S, Akdogan M, Koklu S.  Endoscopic sphincteroplasty with large balloon dilatation for extraction of difficult common bile duct stones. Dig Dis Sci. 2008 Jun;53(6):1737-8. ISSN: 0163-2116
• Ozkaya M, Yuzbasioglu MF, Koruk I, Cakal E, Sahin M, Cakal B. Preoperative detection of insulinomas: two case reports. Cases J. 2008 Nov 29; 1(1): 362  ISSN: 1757-1626
• Yılmaz Ö, Koruk İ, Çayır K, Koruk M, Yılmaz A. Usefullness of serum insulin-like growth factor (IGF-1) and insulin-like growth factor binding protein-3 (IGFBP-3) for colorectal cancer diagnosis. Int J Hematol Oncol 2009; 19(1): 23-27  ISSN: 1306-133X
• Savaş C, Koruk İ, Koruk M, Kadayıfçı A, Sarı İ. Association of prion protein with the stage of liver fibrosis in chronic viral hepatitis. Trakya Univ Tip Fak Derg. 2010; 27(4): 373-7. DOI: 10.5174/tutfd.2009.02284.1 ISSN: 1301-3149
• Buyukberber M, Koruk I, Cıkman O, Koruk M, Kucukoglu ME, Sakman A, Demir O, Sahinoz S. Serum cystatin C measurement in differential diagnosis of intra and extrahepatic cholestatic diseases. Ann Hepatol 2010; 9(1): 58-62  ISSN: 1665-2681
• Gulsen MT, Koruk I, Dogan M, Beyazit Y. Diagnostic accuracy of cascade stomach by upper gastrointestinal endoscopy in patients with obscure symptoms: A multi-center prospective trial. Clin Res Hepatol Gastroenterol. 2011; 35: 489-93. DOI: 10.1016/j.clinre.2011.03.004         ISSN: 2210-7401
• Koruk I, Aydın U, Koruk S, Aydınlı M. A newly defined biliary anatomic variation. Turk J Gastroenterol 2011; April 22(2): 232-3  DOI:10.4318/ tjg.2011.0204  ISSN: 1300-4948
• Koruk İ, Özdemir H, Aydınlı M, Tarakçıoğlu M, Koruk M. The relation between serum Cytokeratin 18 and acute pancreatitis: Can it be a serological predictive marker?. Turk J Gastroenterol. 2011. DOI:10.4318/tjg.2011.0256 ISSN: 1300-4948
• Aydinli M, Koruk I, Koruk S, Aydin U, Kadayifci A. Intraoperative cholangioscopy with an ultrathin endoscope for hemobilia. Endoscopy 2011;43 Suppl 2 UCTN:E410. doi: 10.1055/s-0030-1256897. Epub 2012 Jan 24
• Aydinli M, Koruk I, Dag MS, Savas MC, Kadayifci A. Ultrathin endoscopy for gastrointestinal strictures. Digestive Endoscopy 2012 May;24(3):150-3. doi: 10.1111/j.1443-1661.2011.01206.x. Epub 2011 Oct 27                 ISSN: 0915-5635
• Yılmaz Ö, Koruk İ, Onbaş O, Ozgokce M. Portal venous gas resulting from enteritis in a case with portal hypertension: Case report. Türkiye Klinikleri Tıp Bilimleri Dergisi. 2012; 32 (4): 1195-8 ISSN: 1300-0292
• Demiryürek S, Koruk I, Bozdag Z, Ozkara E, Kaplan DS, Oztuzcu S, Cetinkaya A, Alasehirli B, Demiryürek AT. Investigation of the esophageal Rho-kinase expression in patients with Barrett's esophagus. Ultrastruct Pathol. 2013 Aug;37(4):284-9. doi: 10.3109/01913123.2013.797064        ISSN: 0191-3123
• Dag MS, Ozturk ZA, Koruk I, Kısacık B, Gerenli O, Aydınlı M, Kadayıfcı A. Intestinal Behcet's disease with severe pulmonary arterial involvement mimicking ulcerative colitis. Asian Biomedicine. 2013; 7(5): 715-8      ISSN: 1905-7415
• Dağ MS, Aydınlı M, Oztürk ZA, Türkbeyler IH, Koruk I, Savaş MC, Koruk M, Kadayıfçı A. Drug- and herb-induced liver injury: a case series from a single center. Turk J Gastroenterol. 2014 Feb;25(1):41-5. doi: 10.5152/tjg.2014.4486ISSN: 1300-4948
• Kadayifci A, Atar M, Parlar S, Balkan A, Koruk I, Koruk M. Transnasal endoscopy is preferred by transoral endoscopy experienced patients. J Gastrointestin Liver Dis. 2014 Mar;23(1):27-31     ISSN: 1841-8724
• Alasehirli B, Oğuz E, Oksuzler E, Koruk I, Oztuzcu S, Ozkara E, Karakok M, Erbagcı AB, Demiryurek AT. Investigation of intercellular adhesion molecules (ICAMs) gene expressions in patients with Barrett's esophagus. Tumour Biol. 2014 May;35(5):4907-12. doi: 10.1007/s13277-014-1644-3      ISSN: 1010-4283
• Dag M, Özturk Z, Aydınlı M, Koruk I, Kadayfçı A. Postpartum hepatotoxicity due to herbal medicine Teucrium polium. Ann Saudi Med. 2014 Nov-Dec;34(6):541-3. doi: 10.5144/0256-4947.2014.541        ISSN: 0256-4947
• Tahtacı M, İbiş M, Koruk İ, Parlak E. Endoscopic removal of fractured basket traction wire. Turk J Gastroenterol. 2014 Dec;25 Suppl 1:324-5. doi: 10.5152/tjg.2014.6582            ISSN: 1300-4948
• Dağ MS, Koruk İ, Aydınlı M, Çam H, Öztürk ZA, Kadayıfçı A. An unusual cause of esophageal ulcer; sertraline hydrochloride. Turk J Gastroenterol. 2014 Dec;25 Suppl 1:250-1. doi: 10.5152/tjg.2014.4646  ISSN: 1300-4948
• Balkan A, Yılmaz N, Balkan Y, Koruk İ, Örkmez M, Aydınlı M, Koruk M. Relationship between liver injury and serum cytokeratin 18 levels in asymptomatic hepatitis B virus carriers and in patients with chronic hepatitis B infection. Arab Journal of Gastroenterology. 2017; 18: 98–103                   ISSN: 1687-1979
• Koruk İ. How to manage difficult cannulation in ERCP. Gastroenterology and Hepatology: Open Access. 2017, 6(3): 00194. DOI: 10.15406/ghoa.2017.06.00194 ISSN: 2373-6372
• Valori R, Cortas G, de Lange T, Balfaqih OS, de Pater M, Eisendrath P, Falt P, Koruk I, et al.  Performance measures for endoscopy services: A European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative.  Endoscopy 2018; 50: 1186–1204   ISSN 0013-726X
• Koruk S, Koruk I, Mizrak A. A, Bilgi M, Gul R, Bozgeyik S. Dexmedetomidine or midazolam in combination with propofol for sedation in endoscopic retrograde cholangiopancreatography: a randomized double blind prospective study. Videosurgery Miniinv. 2020; 15(3): 526-32 doi.org/10.5114/wiitm.2020.95066

Education

• Graduation: Faculty of Medicine, Istanbul University, 1994
• Specialization: Internal Medicine, SBU Haseki Hospital, 1998
• Specialization: Gastroenterology, SBU Sisli Etfal Hospital, 2007
•  

Experience

• Associate Professorship SBÜ Ümraniye EAH, 2012
• Professorship SBÜ Ümraniye EAH, 2017
• Professorship Biruni University, 2023
•  

Scientific Memberships

• Turkish Gastroenterology Association
• Turkish Liver Association
• Inflammatory Bowel Diseases Association
• HEBIPA (Hepatitis Infections Union and Prophylaxis Association)
•  

Awards

• "National Scholar Award" in 2011 UEGW Stockholm for his study titled "Levofloxacin Based Sequential and Triple Therapy Compared with Standard Plus Probiotic Combination for Helicobacter Pylori Eradication".
• "Microscopic Colitis and Focal Active Colitis Coexistence in Patients with Irritable Bowel Syndrome" 3rd prize in the Poster Paper category at the 23rd National Gastroenterology Week 2006.
• "Investigation of Damage Pathways in Liver Tissue in Chronic Hepatitis B: A Comparative Proteomic Study" in the 26th issue of Turkish J. Gastroenterol in 2015.
• "Investigations of the EGF and its receptor EGFR gene variants in ulcerative colitis", 3rd prize in the Oral Presentation category at the XVth Eurasian Congress of Gastroenterology and Surgery 2016.
• 1st prize in the Oral Presentation category at the XVIth National Hepatitis Congress in 2023 with the study titled "Prospective evaluation of four-year follow-up results of Hepatitis C patients in AMATEM follow-up".

Medical Intrests

• EUS
• ERCP
• Cholangioscopy
• POEM
• Stomach Balloon
• ESD
• Colonoscopy
• Polypectomy
• Inflammatory bowel diseases
• Liver Cirrhosis
• Gastroesophagial Reflux Disease,
• Functional Diseases
• IBS
• Dyspepsia
• Motility
• Manometry
•  

Dr. Binnur Simsek is a gastroenterology specialist. She has experience in liver cirrhosis, portal hypertension, hepatocellular carcinoma, liver transplantation, and viral hepatitis (B, C, Delta). She also treats alcoholic and non-alcoholic fatty liver disease, peptic ulcers, gastrointestinal bleeding, and inflammatory bowel diseases such as ulcerative colitis and Crohn’s colitis.

She completed her medical and gastroenterology training at Istanbul University Faculty of Medicine. Dr. Simsek has worked at Istanbul University, Sanlıurfa Education and Research Hospital, Liv Hospital, and Istinye University. She is a member of the Turkish Association for the Study of the Liver and the Turkish Society of Gastroenterology.

Dr. Shaunak Valame is an MD in Internal Medicine and holds a DNB in Medical Oncology. He received advanced training at Indraprastha Apollo Hospital in New Delhi. He also worked as a Registrar at Jawaharlal Nehru Cancer Hospital in Bhopal. Dr. Valame has presented his research at international forums, including the Gastrointestinal Cancer Symposium in San Francisco.

He is known for his work in targeted cancer therapies. He has given lectures at the International Winter School of Oncology at AIIMS Bhopal. Dr. Valame is accredited by the American Society of Clinical Oncology. He is committed to advancing cancer research and clinical care.

Dr. Natalya Shevchenko is a gastroenterologist with the highest qualification and 15 years of clinical experience. She has received 67 positive reviews from patients. Dr. Shevchenko graduated from Kharkiv National Medical University. She treats many digestive conditions, including gastritis, colitis, pancreatitis, esophageal ulcers, and peptic ulcers.

She is skilled in interpreting diagnostic studies and laboratory tests. Dr. Shevchenko creates personalized treatment plans for adult patients. She follows evidence-based medicine and always puts patients first.

Dr. Muhammed Zubeyr Üçüncü is an Associate Professor of Surgery and a specialist in General Surgery. He earned his medical degree from Istanbul University, Istanbul Medicine Faculty. He is known for his skills in acute biliary pancreatitis, endoscopy, trauma and emergency surgery, obesity, and breast health.

Dr. Üçüncü has published more than 15 peer-reviewed articles. His research covers breast cancer, gastrointestinal diseases, and surgical methods. He has presented his work at international congresses, including the SIS World Congress on Breast Healthcare and the European Congress of Trauma and Emergency Surgery.

He is certified in Advanced Trauma Life Support and Advanced Endoscopy. He is also a member of the International Federation for the Surgery of Obesity and Metabolic Disorders. Dr. Üçüncü has helped improve breast cancer prognosis and minimally invasive surgery in Turkey.

Prof. M.D. Yusuf Serdar Sakin was born in Nevşehir in 1978. After completing his primary and secondary education in Ankara, he graduated from the Faculty of Medicine at Gülhane Military Medical Academy in 2002.
Following his graduation, he served in Gole/Ardahan for two years. He started his internal medicine training at the Department of Internal Medicine, Gülhane Faculty of Medicine.
After completing his training, he worked as an internal medicine specialist in Ankara. A year later, he began additional training in the Department of Gastroenterology at Gülhane Faculty of Medicine and completed his training in 2014.
After graduation, Yusuf Serdar Sakin continued to work in the same department. He also received advanced endoscopy and Motility training at AMC Center in the Netherlands in 2017.
After obtaining the title of Associate Professor in 2017, he became a Professor in 2023.
He currently provides medical services to patients at Koru Ankara Hospital. His areas of medical interest include:

-Endoscopic retrograde cholangiopancreatography (ERCP)
-Push enteroscopy
-Endoscopic mucosal resection
-High-resolution manometry
-pH/pH-impedance metry analysis
-Advanced endoscopic procedures (stenting, dilation, etc.)
-Gastrointestinal motility disorders
-Gastroesophageal reflux disease
-Inflammatory bowel diseases
-Advanced endoscopic procedures and pancreatitis.