
Dr. Warayu Prachayakul
Medical Gastroenterologist
- Dr. Warayu Prachayakul is one of the best gastroenterologists in Thailand and has over 13 years of experience in this field.
- The Doctor is well-trained for using state-of-the-art technology for performing diagnostic as well as therapeutic procedures including Capsule Endoscopy, Enteroscopy and ERCP
- Areas of expertise include acid-peptic disorders, IBD, IBS and other functional gastrointestinal disorders like constipation, diarrhoeal disorders with or without malabsorption syndrome like celiac disease
- He Holds Clinical Fellowship Training in Advanced Therapeutic Endoscopy (ERCP) and Endosonography at the Interdisciplinary Endoscopic unit, University of Hamburg-Eppendorf, Hamburg, Germany in 2008.
- Dr. Warayu completed Doctor of Medicine (MD.) from Siriraj Hospital in 1993
- His caring behaviour has earned him a stellar patient record.
- The doctor is proficient in English & Thai.
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- Dr. Warayu Prachayakul is one of the best gastroenterologists in Thailand and has over 13 years of experience in this field.
- The Doctor is well-trained for using state-of-the-art technology for performing diagnostic as well as therapeutic procedures including Capsule Endoscopy, Enteroscopy and ERCP
- Areas of expertise include acid-peptic disorders, IBD, IBS and other functional gastrointestinal disorders like constipation, diarrhoeal disorders with or without malabsorption syndrome like celiac disease
- He Holds Clinical Fellowship Training in Advanced Therapeutic Endoscopy (ERCP) and Endosonography at the Interdisciplinary Endoscopic unit, University of Hamburg-Eppendorf, Hamburg, Germany in 2008.
- Dr. Warayu completed Doctor of Medicine (MD.) from Siriraj Hospital in 1993
- His caring behaviour has earned him a stellar patient record.
- The doctor is proficient in English & Thai.

Dr. Tessanee Sriprayoon
Medical Gastroenterologist
- Dr. Tessanee Sriprayoonis one of the best gastroenterologists in Thailand and has over 13 years of experience in this field.
- Areas of expertise include Hepatology, Abdominal Pain, Crohn's Disease, Inflammatory Bowel Diseases, Pancreatitis and Motility.
- Dr. Tessanee Sriprayoon completed her M.D., Faculty of Medicine, from Siriraj Hospital, Mahidol University, in 1996.
- She also completed Diploma of Thai Board of Internal Medicine, 2002, Diploma of Thai Board of Family Medicine, 2003 and Diplomate Thai Board of Gastroenterology, 2008
- Her kind demeanour has earned her an outstanding patient track record.
- The doctor is proficient in English & Thai.
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- Dr. Tessanee Sriprayoonis one of the best gastroenterologists in Thailand and has over 13 years of experience in this field.
- Areas of expertise include Hepatology, Abdominal Pain, Crohn's Disease, Inflammatory Bowel Diseases, Pancreatitis and Motility.
- Dr. Tessanee Sriprayoon completed her M.D., Faculty of Medicine, from Siriraj Hospital, Mahidol University, in 1996.
- She also completed Diploma of Thai Board of Internal Medicine, 2002, Diploma of Thai Board of Family Medicine, 2003 and Diplomate Thai Board of Gastroenterology, 2008
- Her kind demeanour has earned her an outstanding patient track record.
- The doctor is proficient in English & Thai.

Dr. Maneerat Chayanupatkul
Liver Transplant Specialist
- Dr. Maneerat Chayanupatkul is a leading Medical Gastroenterologist in Thailand.
- She has 13 years of experience in her field.
- Her special interests are Liver Transplantation and Long term care, and Hepatocellular carcinoma.
- She completed her MD from Chulalongkorn University in 2008, Diplomate of the American Board of Internal Medicine in 2014, and Diplomate of the American Board of Gastroenterology in 2017.
- She also gained a Fellowship in Transplant Hepatology from Ichan School of Medicine, Mount Sinai, New York, USA, in 2018.
- She speaks English and Thai.
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- Dr. Maneerat Chayanupatkul is a leading Medical Gastroenterologist in Thailand.
- She has 13 years of experience in her field.
- Her special interests are Liver Transplantation and Long term care, and Hepatocellular carcinoma.
- She completed her MD from Chulalongkorn University in 2008, Diplomate of the American Board of Internal Medicine in 2014, and Diplomate of the American Board of Gastroenterology in 2017.
- She also gained a Fellowship in Transplant Hepatology from Ichan School of Medicine, Mount Sinai, New York, USA, in 2018.
- She speaks English and Thai.

Dr. Supatsri Sethasine
Medical Gastroenterologist
- Dr. Supatsri Sethasine is one of the best gastroenterologists in Thailand and has over 12 years of experience in this field.
- Areas of expertise include gastrointestinal disorders like constipation, diarrhoeal disorders with or without malabsorption syndrome like celiac disease and liver diseases
- She holds a Certificate postdoctoral research fellowship in gastroenterology and hepatology at Yale university school of medicine, Connecticut USA.
- Dr. Supatsri completed Diplomate from the Thai board in gastroenterology.
- Her caring behaviour has earned her a stellar patient record.
- The doctor is proficient in English & Thai.
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- Dr. Supatsri Sethasine is one of the best gastroenterologists in Thailand and has over 12 years of experience in this field.
- Areas of expertise include gastrointestinal disorders like constipation, diarrhoeal disorders with or without malabsorption syndrome like celiac disease and liver diseases
- She holds a Certificate postdoctoral research fellowship in gastroenterology and hepatology at Yale university school of medicine, Connecticut USA.
- Dr. Supatsri completed Diplomate from the Thai board in gastroenterology.
- Her caring behaviour has earned her a stellar patient record.
- The doctor is proficient in English & Thai.
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Dr. Apichart Suramethakul
Colorectal Surgeon
- Dr. Apichart Suramethakul is a proficient gastroenterologist having vast experience in this field.
- He is adept in providing diagnosis, treatment, and consultations about disease or abnormalities in the gastrointestinal system and liver.
- He is an expert in cancer screening gastrointestinal tumors, in the high-risk group including people whose family members have cancer or tumor.
- His other areas of expertise are endoscopy, gastroesophageal reflux diseases, irritable bowel syndrome, gastrointestinal bleeding, and pylori infection in the stomach.
- He is also a member of various esteemed Associations which include the Royal College of Physicians of Thailand, the Royal College of Family Physicians of Thailand, the Gastroenterological Association of Thailand (GAT), and the Thai Association for Gastrointestinal Endoscopy (TAGE).
- He graduated with a degree in medicine (MD) from Chulalongkorn University, Thailand.
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- Dr. Apichart Suramethakul is a proficient gastroenterologist having vast experience in this field.
- He is adept in providing diagnosis, treatment, and consultations about disease or abnormalities in the gastrointestinal system and liver.
- He is an expert in cancer screening gastrointestinal tumors, in the high-risk group including people whose family members have cancer or tumor.
- His other areas of expertise are endoscopy, gastroesophageal reflux diseases, irritable bowel syndrome, gastrointestinal bleeding, and pylori infection in the stomach.
- He is also a member of various esteemed Associations which include the Royal College of Physicians of Thailand, the Royal College of Family Physicians of Thailand, the Gastroenterological Association of Thailand (GAT), and the Thai Association for Gastrointestinal Endoscopy (TAGE).
- He graduated with a degree in medicine (MD) from Chulalongkorn University, Thailand.

Dr. Choochai Teerawattananon
Medical Gastroenterologist
- Dr. Choochai Teerawattananon is a well-known Gastroenterologist having 11 years of experience in this field.
- He is dexterous in performing Endoscopy and treating digestive disorders.
- His area of interest is Internal Medicine and Gastroenterology.
- He completed MD (2010), Fellowship (Gastroenterology), (2018), and Residency (Internal Medicine), (2011) from Faculty of Medicine, Siriraj Hospital, Mahidol University.
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- Dr. Choochai Teerawattananon is a well-known Gastroenterologist having 11 years of experience in this field.
- He is dexterous in performing Endoscopy and treating digestive disorders.
- His area of interest is Internal Medicine and Gastroenterology.
- He completed MD (2010), Fellowship (Gastroenterology), (2018), and Residency (Internal Medicine), (2011) from Faculty of Medicine, Siriraj Hospital, Mahidol University.

Dr. Boonchai Ngamsirimas
Colorectal Surgeon
- Dr. Boonchai Ngamsirimas is a leading Colo-Rectal Surgeon who has been practiicng for the past +27 years.
- In 1994 he completed his MD from Srinakharinwirot University, Thailand and then went on to do diplomas between 1998 to 2005 and then in 2011 did a certificate fellowship in 2011 from The Catholic University of Korea Seoul St. Mary's Hospital.
- Dr. Ngamsirimas is well-known to perform colectomy, colostomy, endoscopic surgery, hemorrhoidectomy, IBD surgery, internal sphincterotomy, rectopexy, full/aprtial resection.
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- Dr. Boonchai Ngamsirimas is a leading Colo-Rectal Surgeon who has been practiicng for the past +27 years.
- In 1994 he completed his MD from Srinakharinwirot University, Thailand and then went on to do diplomas between 1998 to 2005 and then in 2011 did a certificate fellowship in 2011 from The Catholic University of Korea Seoul St. Mary's Hospital.
- Dr. Ngamsirimas is well-known to perform colectomy, colostomy, endoscopic surgery, hemorrhoidectomy, IBD surgery, internal sphincterotomy, rectopexy, full/aprtial resection.

Dr. Narong Lertakyamanee
Colorectal Surgeon
- Dr. Narong Lertakyamanee has over 44 years of expertise as an experienced and professional Colo-Rectal Surgeon.
- He is a member of the Thai Medical Council.
- Dr. Narong Lertakyamanee completed MD (1977) from Siriraj Hospital, Mahidol University, Thailand.
- He is trained in Surgery (1982) from Siriraj Hospital, Thailand.
- Dr. Narong Lertakyamanee is well-versed in English and Thai.
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- Dr. Narong Lertakyamanee has over 44 years of expertise as an experienced and professional Colo-Rectal Surgeon.
- He is a member of the Thai Medical Council.
- Dr. Narong Lertakyamanee completed MD (1977) from Siriraj Hospital, Mahidol University, Thailand.
- He is trained in Surgery (1982) from Siriraj Hospital, Thailand.
- Dr. Narong Lertakyamanee is well-versed in English and Thai.

Assoc. Prof. Dr. Jirawat Pattana-Arun
Colorectal Surgeon
- Assoc. Prof. Dr. Jirawat Pattana-Arun is a leading Colo-Rectal Surgeon who has worked in the medical field for over 31 years.
- He specializes in Colorectal Surgery.
- He is a member of the Thai Medical Council, the Thai Board of Surgery and the Thai Subboard of Colon and Rectal Surgery.
- Assoc. Prof. Dr. Jirawat Pattana-Arun has completed MD (1991) and Colon and Rectal Surgery (2001) from Chulalongkorn University, Thailand.
- He has trained in Surgery (1995) from Chulalongkorn University, Thailand.
- Assoc. Prof. Dr. Jirawat Pattana-Arun is well-versed in English, German and Thai.
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- Assoc. Prof. Dr. Jirawat Pattana-Arun is a leading Colo-Rectal Surgeon who has worked in the medical field for over 31 years.
- He specializes in Colorectal Surgery.
- He is a member of the Thai Medical Council, the Thai Board of Surgery and the Thai Subboard of Colon and Rectal Surgery.
- Assoc. Prof. Dr. Jirawat Pattana-Arun has completed MD (1991) and Colon and Rectal Surgery (2001) from Chulalongkorn University, Thailand.
- He has trained in Surgery (1995) from Chulalongkorn University, Thailand.
- Assoc. Prof. Dr. Jirawat Pattana-Arun is well-versed in English, German and Thai.

Dr. Prapon Kanjanasilp
Colorectal Surgeon
- With +20 years of medical experience, Dr. Prapon Kanjanasilp is a skilled Colo-Rectal Surgeon.
- He is a member of the Thai Medical Council.
- Dr. Prapon Kanjanasilp has completed MD (2002) from Chulalongkorn University, Thailand.
- He has trained in Surgery (2009) from Chulalongkorn University, Thailand.
- Dr. Prapon Kanjanasilp is well-versed in English and Thai.
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- With +20 years of medical experience, Dr. Prapon Kanjanasilp is a skilled Colo-Rectal Surgeon.
- He is a member of the Thai Medical Council.
- Dr. Prapon Kanjanasilp has completed MD (2002) from Chulalongkorn University, Thailand.
- He has trained in Surgery (2009) from Chulalongkorn University, Thailand.
- Dr. Prapon Kanjanasilp is well-versed in English and Thai.

Dr. Vitoon Chainswangwatanakul
Colorectal Surgeon
- Dr. Vitoon Chainswangwatanakul is a trained Colo-Rectal Surgeon with 25 years of experience.
- He is interested in minimally invasive and robotic surgery, hernia, surgical infection, nutrition and carcinogenesis of colorectal cancer.
- He is a member of the American Association for Cancer Research (AACR), the Japan Society for Endoscopic Surgery (JSES) and the Thai Medical Council.
- He is also Assistant Dean of Research Affair and Head of Siriraj Cancer Center.
- He is the President of the Laparoscopic and Endoscopic Surgeons of Thailand (LEST) and Secretary-General of the Royal College of Surgeons of Thailand.
- Dr. Vitoon Chainswangwatanakul has completed MD (1986) from Siriraj Hospital, Mahidol University, Thailand.
- He has trained in Surgery (1992) from Siriraj Hospital, Thailand.
- He has done Doctor of Philosophy (1999) at the University of London, Imperial College of Science, Technology and Medicine, UK.
- Dr. Vitoon Chainswangwatanakul is well-versed in English and Thai.
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- Dr. Vitoon Chainswangwatanakul is a trained Colo-Rectal Surgeon with 25 years of experience.
- He is interested in minimally invasive and robotic surgery, hernia, surgical infection, nutrition and carcinogenesis of colorectal cancer.
- He is a member of the American Association for Cancer Research (AACR), the Japan Society for Endoscopic Surgery (JSES) and the Thai Medical Council.
- He is also Assistant Dean of Research Affair and Head of Siriraj Cancer Center.
- He is the President of the Laparoscopic and Endoscopic Surgeons of Thailand (LEST) and Secretary-General of the Royal College of Surgeons of Thailand.
- Dr. Vitoon Chainswangwatanakul has completed MD (1986) from Siriraj Hospital, Mahidol University, Thailand.
- He has trained in Surgery (1992) from Siriraj Hospital, Thailand.
- He has done Doctor of Philosophy (1999) at the University of London, Imperial College of Science, Technology and Medicine, UK.
- Dr. Vitoon Chainswangwatanakul is well-versed in English and Thai.

Dr. Ajjana Teechagumpuch
Colorectal Surgeon
- Dr. Ajjana Teechagumpuch has 18 years of expertise as a renowned Colon and Rectal Surgeon.
- He is a member of the Thai Medical Council.
- Dr. Ajjana Teechagumpuch has completed MD (2003) from Chulalongkorn University, Thailand.
- He has trained in Surgery (2010) from Chulalongkorn University, Thailand.
- Dr. Ajjana Teechagumpuch is well-versed in English and Thai.
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- Dr. Ajjana Teechagumpuch has 18 years of expertise as a renowned Colon and Rectal Surgeon.
- He is a member of the Thai Medical Council.
- Dr. Ajjana Teechagumpuch has completed MD (2003) from Chulalongkorn University, Thailand.
- He has trained in Surgery (2010) from Chulalongkorn University, Thailand.
- Dr. Ajjana Teechagumpuch is well-versed in English and Thai.
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