
Dr. Asada Methasate
Surgical Gastroenterologist
- Dr. Asada Methasate is a respected Surgical Gastroenterologist with +32 years of experience in the field of GI surgeries and performing colonoscopy.
- He completed his MD in 1989 from the Tokyo Medical and Dental University and then did his 1994 did a diploma from the Japanese Board of General Surgery. In 1996, he did a diploma from the Japanese Sub-Board of Gastroenterological Surgery, followed by a certification in diagnostic and therapeutic endoscopy.
- Dr. Methasate performs adrenalectomy, appendectomy, bariatric surgery, cholecystectomy, colo-rectal surgery, foregut surgery, hiatal hernia repair, nephrectomy, pancreatic surgery, retroperitnoeum surgery, and splenectomy.
- Findings from his surgical practice can be found in some of the published papers of Dr. Methasate.
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- Dr. Asada Methasate is a respected Surgical Gastroenterologist with +32 years of experience in the field of GI surgeries and performing colonoscopy.
- He completed his MD in 1989 from the Tokyo Medical and Dental University and then did his 1994 did a diploma from the Japanese Board of General Surgery. In 1996, he did a diploma from the Japanese Sub-Board of Gastroenterological Surgery, followed by a certification in diagnostic and therapeutic endoscopy.
- Dr. Methasate performs adrenalectomy, appendectomy, bariatric surgery, cholecystectomy, colo-rectal surgery, foregut surgery, hiatal hernia repair, nephrectomy, pancreatic surgery, retroperitnoeum surgery, and splenectomy.
- Findings from his surgical practice can be found in some of the published papers of Dr. Methasate.

Dr. Pitulak Aswakul
Surgical Gastroenterologist
- Dr. Pitulak Aswakul is a leading and an experienced General Surgeon with a practice of +25 years.
- She completed her MD in 1996 from the Khon Kaen University, Thailand and then did a graduate diploma in 1998. In 2000 she studied internal medicine at the Thai Board of Internal Medicine. In 2005, she earned a board certification from the Thai Sub Board of Gastroenterology while studying at the Siriraj Hospital, Mahidol University, Thailand. In 2011, she earned a certificate in advanced endoscopy from the Siriraj Hospital, Mahidol University, Thailand.
- Dr. Aswakul is a specialised surgeon with specialised focus on laparoscopic surgeries for bile duct stones, does liver resection, and also does pancreatic gastrostomy. She particularly treats liver diseases, colorectal diseases with surgery too. She also performs endoscopies.
- She has co-authored a few research papers on the surgical and clinical aspects of her field of expertise.
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- Dr. Pitulak Aswakul is a leading and an experienced General Surgeon with a practice of +25 years.
- She completed her MD in 1996 from the Khon Kaen University, Thailand and then did a graduate diploma in 1998. In 2000 she studied internal medicine at the Thai Board of Internal Medicine. In 2005, she earned a board certification from the Thai Sub Board of Gastroenterology while studying at the Siriraj Hospital, Mahidol University, Thailand. In 2011, she earned a certificate in advanced endoscopy from the Siriraj Hospital, Mahidol University, Thailand.
- Dr. Aswakul is a specialised surgeon with specialised focus on laparoscopic surgeries for bile duct stones, does liver resection, and also does pancreatic gastrostomy. She particularly treats liver diseases, colorectal diseases with surgery too. She also performs endoscopies.
- She has co-authored a few research papers on the surgical and clinical aspects of her field of expertise.

Dr. Chingyiam Panjapiyakul
Colorectal Surgeon
- Dr. Chingyiam Panjapiyakul is a well-known Laparoscopic Colo-Rectal Surgeon with +21 years of experience in performing MIS of the abdominal and the GI region.
- He is a highly qualified surgeon who pursued advanced medical training in Malaysia, Switzerland and Austria. After earning his MD in 1980 from Ramathibodi Hospital, Mahidol University he did a diploma in 1986 from the Thai Board of General Surgery. In 1991, he earned a certification in 'stapled haemorrhoidectomy and Starr procedure'. in Malaysia. His other major academic milestone was completing a fellowship in laparoscopic and endoscopic surgery in the University of Innsbruck, Austria. Till 2004 he also did two certifications in colorectal surgery in 1994 and bariatrics in 2004.
- Before his MD he did a certification from the International Society of Surgery, Switzerland and a degree in medical science too in 1978.
- Dr. Panjapiyakul is an expert laparoscopic surgeon with specialised focus on surgically treating patients that need colo-rectal surgeries. He is particularly sought to perform abdominal surgery and cholecystectomy. Some of the other procedures he performs are, colectomy, colostomy, hemorrhoidectomy, internal sphincterotomy and rectoprexy among a few other procedures.
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- Dr. Chingyiam Panjapiyakul is a well-known Laparoscopic Colo-Rectal Surgeon with +21 years of experience in performing MIS of the abdominal and the GI region.
- He is a highly qualified surgeon who pursued advanced medical training in Malaysia, Switzerland and Austria. After earning his MD in 1980 from Ramathibodi Hospital, Mahidol University he did a diploma in 1986 from the Thai Board of General Surgery. In 1991, he earned a certification in 'stapled haemorrhoidectomy and Starr procedure'. in Malaysia. His other major academic milestone was completing a fellowship in laparoscopic and endoscopic surgery in the University of Innsbruck, Austria. Till 2004 he also did two certifications in colorectal surgery in 1994 and bariatrics in 2004.
- Before his MD he did a certification from the International Society of Surgery, Switzerland and a degree in medical science too in 1978.
- Dr. Panjapiyakul is an expert laparoscopic surgeon with specialised focus on surgically treating patients that need colo-rectal surgeries. He is particularly sought to perform abdominal surgery and cholecystectomy. Some of the other procedures he performs are, colectomy, colostomy, hemorrhoidectomy, internal sphincterotomy and rectoprexy among a few other procedures.

Dr. Pongserath Sirichindakul
Hepatopancreatobiliary Surgeon
- Dr. Pongserath Sirichindakul is a senior and a leading General Surgeon with +30 years of experience performing hepatobiliary surgeries.
- He is the VP of the Thailand Chapter of the International Hepato-Pancreato-Bilary Association.
- He completed his MD in 1991 from Chulalongkorn University, Thailand and then did his diploma in 1995. In 2000, he did a fellowship from Australia and then in Japan in 2005.
- Dr. Sirichindakul is an expert at surgically treating disorders of the biliary system such as, bile duct resection, cholecystectomy, gallstone surgery, liver resection/transplants, pancreas/kidney transplants, pancreatic resection, radiofrequency ablation, therasphere and the Whipple Procedure. He also treats cancer in the biliary.
- He has co-authored various research papers on findings from his surgical practice.
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- Dr. Pongserath Sirichindakul is a senior and a leading General Surgeon with +30 years of experience performing hepatobiliary surgeries.
- He is the VP of the Thailand Chapter of the International Hepato-Pancreato-Bilary Association.
- He completed his MD in 1991 from Chulalongkorn University, Thailand and then did his diploma in 1995. In 2000, he did a fellowship from Australia and then in Japan in 2005.
- Dr. Sirichindakul is an expert at surgically treating disorders of the biliary system such as, bile duct resection, cholecystectomy, gallstone surgery, liver resection/transplants, pancreas/kidney transplants, pancreatic resection, radiofrequency ablation, therasphere and the Whipple Procedure. He also treats cancer in the biliary.
- He has co-authored various research papers on findings from his surgical practice.
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Dr. Thun Ingkakul
Hepatopancreatobiliary Surgeon
- Dr. Thun Ingkakul is a leading and a senior Hepatopancreatobiliary Surgeon with +23 years of experience in the field of performing various biliary surgeries.
- He completed his MD in 1998 from the Phramongkutklao College of Medicine and then 2004 did a diploma in 2004 from the Thai Board of General Surgery. In 2009, he earned another fellowship from the Kyushu University Hospital, Japan. In 2010, he pursued a clinical research fellowship from Massachusetts General Hospital, USA.
- Dr. Ingkakul is an expert at surgically treating diseases, disorders and cancer in the biliary system. Some of the procedures that he performs are, bile duct resection, cholecystectomy, gallstone surgery, liver resection/transplants, pancreas/kidney transplants, pancreatic resection, radiofrequency ablation, therasphere and the Whipple Procedure. He also treats cancer in the biliary.
- He has co-authored a few papers that deal with the aspect of tumours in the biliary system.
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- Dr. Thun Ingkakul is a leading and a senior Hepatopancreatobiliary Surgeon with +23 years of experience in the field of performing various biliary surgeries.
- He completed his MD in 1998 from the Phramongkutklao College of Medicine and then 2004 did a diploma in 2004 from the Thai Board of General Surgery. In 2009, he earned another fellowship from the Kyushu University Hospital, Japan. In 2010, he pursued a clinical research fellowship from Massachusetts General Hospital, USA.
- Dr. Ingkakul is an expert at surgically treating diseases, disorders and cancer in the biliary system. Some of the procedures that he performs are, bile duct resection, cholecystectomy, gallstone surgery, liver resection/transplants, pancreas/kidney transplants, pancreatic resection, radiofrequency ablation, therasphere and the Whipple Procedure. He also treats cancer in the biliary.
- He has co-authored a few papers that deal with the aspect of tumours in the biliary system.

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. Wipusit Taesombat
Hepatopancreatobiliary Surgeon
- Dr. Wipusit Taesombat is an expert Hepatopancreatobiliary Surgeon with +20 years of experience.
- He did his MD in 2001 from Chulalongkorn University, Thailand and then in 2008, did a diploma from the Thai Board General Surgery, Thailand.
- Dr. Taesombat specialises in hepatobiliary-pancreas surgery, liver/kidney transplants, liver resection and laparoscopic surgeries.
- He has co-authored and published several research papers, where he shares his findings from his practice.
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- Dr. Wipusit Taesombat is an expert Hepatopancreatobiliary Surgeon with +20 years of experience.
- He did his MD in 2001 from Chulalongkorn University, Thailand and then in 2008, did a diploma from the Thai Board General Surgery, Thailand.
- Dr. Taesombat specialises in hepatobiliary-pancreas surgery, liver/kidney transplants, liver resection and laparoscopic surgeries.
- He has co-authored and published several research papers, where he shares his findings from his practice.
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