Page 10 - Best gastroenterologists: TOP 208 doctors

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.

Gastroenterologist

Professor Fred Konikoff is a recognized expert in Israel on diseases of the liver, gastrointestinal tract and biliary tract and invasive endoscopy.

Head of the Gastroenterology Center

Head of the Gastroenterology and Hepatology Department, Gastroenterologist

Prof. Dr. Varocha Mahachai is a senior Medical Gastroenterologist with extensive experience and credentials, including MD from Chulalongkorn University, MSc from University of Alberta, FRCPC, FACG, and Postdoctoral Fellow in Clinical Pharmacology from University of California, San Francisco.

Director of Obesity Therapy Department

Specialist in endocrinology and nutrition

Proctologist, Gastroenterologist

Head of the Center of Gastroenterology and Hepatology

Gastroenterologist

Academic Training:

Graduated in Medicine from the Autonomous University of Madrid and specialist in Cardiology at the University Hospital October 12 in Madrid. During her residency, she completed an external rotation in cardiac MRI and CT at Weill Cornell Medical College in New York, under the supervision of Dr. Weinsaft.

After the residence, she completed two years of subspecialization focused on Cardiac Imaging, at the October 12 Hopital and at HM Hospitals, under the supervision of Dr. Fernández Friera and Dr. Solís.

Professional Experience:

As a cardiologist, Dr. Belen Diaz Anton has developed her activity in prestigious public and private centers, her area of ​​specialization being cardiac imaging. In this field, she is accredited in transthoracic and transesophageal echocardiography by the European Society of Cardiology (EACVI) since 2015.

Dr. Belen Diaz Anton is currently part of the Comprehensive Center for Cardiovascular Diseases (CIEC) and the Cardiac Imaging Unit of HM Hospitals. Her activity is focused on performing three-dimensional transthoracic and transesophageal echocardiography, offering special support to cardiac interventionism and surgery. In addition, she holds specific valve disease consultations. Within the cardiac imaging unit, she performs cardiac resonance and coronary AngioCT.

Scientific and Teaching Activity:

Dr. Belen Diaz Anton collaborates as a teacher at the San Pablo CEU University through specialized courses in cardiac CT.

Outstanding research career with more than 10 articles published in prestigious national and international journals in recent years and multiple communications to congresses.

Since 2016, she has been developing a line of research in Cardio-Oncology in patients with breast cancer (Winning project of the first intramural R+D+i call for emerging groups awarded by the HM Hospitals foundation).

Dr. Gontrand López-Nava Breviere is a medical specialist in Gastroenterology and Endoscopy at the San Carlos Clinical Hospital in Madrid (1993 to 1997), and Professor of Medicine at the San Pablo CEU University in Madrid. 

Founder and Head of Service of the Department of Digestive System and Endoscopy of the Hospital San Rafael and the Hospital Universitario Sanchinarro (2007-2010).

Founder and Director of the Department of Bariatric Endoscopy of the Hospital Universitario Madrid Sanchinarro (2010-act). 

Doctor of Medicine from CEU San Pablo University in 2015

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.

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.