
Dr. Charlie Laohapand
Medical Gastroenterologist
- Dr. Charlie Laohapand is one of the leading Gastroenterologists in Bangkok, Thailand.
- He has been practicing for the past 14 years.
- His expertise lies in the treatment of Viral hepatitis, Liver Diseases, and Cirrhosis.
- He completed his MD Faculty of Medicine from Siriraj Hospital, Mahidol University, Thailand, in 2008.
- After that, he did Diploma of Thai Board of Internal Medicine. Faculty of Medicine Siriraj Hospital, Mahidol University, Thailand, in 2014 and Diploma of Thai Sub Board of Gastroenterology. Faculty of Medicine Siriraj Hospital, Mahidol University, Thailand, in 2016.
- He speaks English and Thai.
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- Dr. Charlie Laohapand is one of the leading Gastroenterologists in Bangkok, Thailand.
- He has been practicing for the past 14 years.
- His expertise lies in the treatment of Viral hepatitis, Liver Diseases, and Cirrhosis.
- He completed his MD Faculty of Medicine from Siriraj Hospital, Mahidol University, Thailand, in 2008.
- After that, he did Diploma of Thai Board of Internal Medicine. Faculty of Medicine Siriraj Hospital, Mahidol University, Thailand, in 2014 and Diploma of Thai Sub Board of Gastroenterology. Faculty of Medicine Siriraj Hospital, Mahidol University, Thailand, in 2016.
- He speaks English and Thai.

Dr. Aroon Siripun
Medical Gastroenterologist
- Dr. Aroon Siripun has nearly 18 years of clinical experience as a Medical Gastroenterologist.
- He is focused on Gastroenterology, Hepatology and Internal Medicine.
- He is a member of the Thai Medical Council.
- Dr. Aroon Siripun has completed MD (2002) from Chiang Mai University, Thailand.
- He has been trained in Internal Medicine (2008) and Gastroenterology (2010) from Rajavithi Hospital, Thailand.
- He has been trained in Advanced Therapeutic Endoscopy (2014) at Prince of Songkla University, Thailand.
- He practised Gastroenterology (2013) at Nagoya University Graduate school of Medicine, Japan.
- He enrolled in EUS Program (2014) at BIDS - Baldota Institute of Digestive Sciences, India.
- Dr. Aroon Siripun is well-versed in English, Japanese and Thai.
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- Dr. Aroon Siripun has nearly 18 years of clinical experience as a Medical Gastroenterologist.
- He is focused on Gastroenterology, Hepatology and Internal Medicine.
- He is a member of the Thai Medical Council.
- Dr. Aroon Siripun has completed MD (2002) from Chiang Mai University, Thailand.
- He has been trained in Internal Medicine (2008) and Gastroenterology (2010) from Rajavithi Hospital, Thailand.
- He has been trained in Advanced Therapeutic Endoscopy (2014) at Prince of Songkla University, Thailand.
- He practised Gastroenterology (2013) at Nagoya University Graduate school of Medicine, Japan.
- He enrolled in EUS Program (2014) at BIDS - Baldota Institute of Digestive Sciences, India.
- Dr. Aroon Siripun is well-versed in English, Japanese and Thai.

Dr. Rewat Boonanuwat
Medical Gastroenterologist
- Dr. Rewat Boonanuwat is one of the renowned Gastroenterologists having 14 years of experience.
- His areas of expertise are the digestive system and liver disease treatment.
- After completing his MD with first class honours from Siriraj Hospital, Mahidol University, Thailand, in 2008, he did Diploma of Thai Board of Internal Medicine., Thailand, in 2014, and Diploma of Thai Sub Board of Gastroenterology., Thailand, in 2016.
- He speaks Thai and English.
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- Dr. Rewat Boonanuwat is one of the renowned Gastroenterologists having 14 years of experience.
- His areas of expertise are the digestive system and liver disease treatment.
- After completing his MD with first class honours from Siriraj Hospital, Mahidol University, Thailand, in 2008, he did Diploma of Thai Board of Internal Medicine., Thailand, in 2014, and Diploma of Thai Sub Board of Gastroenterology., Thailand, in 2016.
- He speaks Thai and English.

Dr. Nathavut Sirimontaporn
Medical Gastroenterologist
- Dr. Nathavut Sirimontaporn is a prominent Gastroenterologist with over 24+ of experience in the medical field.
- He specializes in diagnosing and treating disorders related to the gastrointestinal tract and liver.
- His areas of expertise are treating Liver Diseases, Colonoscopy, Colorectal, Endoscopy, etc.
- He has various board certifications including a Diploma of the Thai Board of Internal Medicine, The Medical Council of Thailand, 2005, and a Diploma of the Thai Sub Board of Gastroenterology and Hepatology, 2009.
- He is proficient in various dialects mainly English, Thai, and Teo Chew.
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- Dr. Nathavut Sirimontaporn is a prominent Gastroenterologist with over 24+ of experience in the medical field.
- He specializes in diagnosing and treating disorders related to the gastrointestinal tract and liver.
- His areas of expertise are treating Liver Diseases, Colonoscopy, Colorectal, Endoscopy, etc.
- He has various board certifications including a Diploma of the Thai Board of Internal Medicine, The Medical Council of Thailand, 2005, and a Diploma of the Thai Sub Board of Gastroenterology and Hepatology, 2009.
- He is proficient in various dialects mainly English, Thai, and Teo Chew.
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Dr. Rattana Boonsirichan
Medical Gastroenterologist
- Dr. Rattana Boonsirichan is one of the best gastroenterologists in Thailand and has over 28 years of experience in this field.
- 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 and liver diseases
- She holds a certificate in advanced therapeutic endoscopy from Germany.
- Dr. Rattana completed Doctor of Medicine (MD.) from Mahidol University.
- Her caring behaviour has earned her a stellar patient record.
- The doctor is proficient in English & Thai.
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- Dr. Rattana Boonsirichan is one of the best gastroenterologists in Thailand and has over 28 years of experience in this field.
- 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 and liver diseases
- She holds a certificate in advanced therapeutic endoscopy from Germany.
- Dr. Rattana completed Doctor of Medicine (MD.) from Mahidol University.
- Her caring behaviour has earned her a stellar patient record.
- The doctor is proficient in English & Thai.

Assoc. Prof. Phunchai Charatcharoenwitthaya
Medical Gastroenterologist
- Assoc. Prof. Phunchai Charatcharoenwitthaya is a skilled Gastroenterologist having 27+ years of experience in this field.
- He is adept in performing Endoscopy and treating digestive disorders.
- His area of interest is Internal Medicine and Gastroenterology.
- He has reputed articles published in Journals.
- He held the post of Associate Prof. (Medicine), Mahidol University, Faculty of Medicine, Siriraj Hosp., Bangkok, Thailand.
- He completed MD, and Internal Medicine (Faculty of Medicine) from Siriraj Hospital Mahidol University, Thailand, in 1993 and 1999 respectively.
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- Assoc. Prof. Phunchai Charatcharoenwitthaya is a skilled Gastroenterologist having 27+ years of experience in this field.
- He is adept in performing Endoscopy and treating digestive disorders.
- His area of interest is Internal Medicine and Gastroenterology.
- He has reputed articles published in Journals.
- He held the post of Associate Prof. (Medicine), Mahidol University, Faculty of Medicine, Siriraj Hosp., Bangkok, Thailand.
- He completed MD, and Internal Medicine (Faculty of Medicine) from Siriraj Hospital Mahidol University, Thailand, in 1993 and 1999 respectively.

Assoc. Prof. Varayu Prachayakul
Hepatopancreatobiliary Surgeon
- Dr. Varayu Prachayakul is an accomplished Gastroenterologist having 27+ years of experience in this field.
- He is adept in performing cholangioscopy / pancreatoscopy and single balloon assisted enteroscopy.
- His area of interest is gastrointestinal bleeding, colon cancer screening, endoscopic ultrasound (EUS) in both diagnosis and therapeutic procedures.
- He has done Certification in Advanced Therapeutic Endoscopy and Endosonography, University Medical Center Hamburg-Eppendorf, Germany (2008).
- He was awarded for the outstanding medical student (1993).
- He had published some case reports, case series and articles in various Journals.
- He is a member of Thai Board of Gastroenterology.
- He pursued MD from Faculty of Medicine, Siriraj Hospital, Mahidol University (1993).
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- Dr. Varayu Prachayakul is an accomplished Gastroenterologist having 27+ years of experience in this field.
- He is adept in performing cholangioscopy / pancreatoscopy and single balloon assisted enteroscopy.
- His area of interest is gastrointestinal bleeding, colon cancer screening, endoscopic ultrasound (EUS) in both diagnosis and therapeutic procedures.
- He has done Certification in Advanced Therapeutic Endoscopy and Endosonography, University Medical Center Hamburg-Eppendorf, Germany (2008).
- He was awarded for the outstanding medical student (1993).
- He had published some case reports, case series and articles in various Journals.
- He is a member of Thai Board of Gastroenterology.
- He pursued MD from Faculty of Medicine, Siriraj Hospital, Mahidol University (1993).

Dr. Nutthiwut Wattanaraksakul
Medical Gastroenterologist
- Dr. Nutthiwut Wattanaraksakul is a well-known Medical Gastroenterologist.
- He has 26 years of rich experience in his field.
- He completed his MD., Faculty of Medicine from Siriraj Hospital, Mahidol University, Thailand, in 1995, Diploma of the Thai Board of General Medicine in 2001, and Diploma of The Thai Board of Gastroenterology in 2003 from Siriraj Hospital, Mahidol University, Thailand.
- He specializes in treating digestive issues.
- He speaks Thai and English.
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- Dr. Nutthiwut Wattanaraksakul is a well-known Medical Gastroenterologist.
- He has 26 years of rich experience in his field.
- He completed his MD., Faculty of Medicine from Siriraj Hospital, Mahidol University, Thailand, in 1995, Diploma of the Thai Board of General Medicine in 2001, and Diploma of The Thai Board of Gastroenterology in 2003 from Siriraj Hospital, Mahidol University, Thailand.
- He specializes in treating digestive issues.
- He speaks Thai and English.

Assoc. Prof. Siwaporn Chainuvati
Hepatopancreatobiliary Surgeon
- Dr. Siwaporn Chainuvatiis is an eminent Gastroenterologist having 25+ years of experience in this field.
- She is proficient in performing Endoscopy and treating digestive disorders.
- Her area of interest is Internal Medicine and Gastroenterology.
- She has reputed articles published in various Journals.
- She held the post of Resident (Internal Medicine) in 2001 at The Mary Imogene Bassett Hospital (Columbia University), Cooperstown, New york.
- She pursued MD (1995) in Faculty of Medicine, Siriraj Hospital, Mahidol University, Thailand and completed Fellowship in Gastroenterology (2004), from Yale University, New Haven.
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- Dr. Siwaporn Chainuvatiis is an eminent Gastroenterologist having 25+ years of experience in this field.
- She is proficient in performing Endoscopy and treating digestive disorders.
- Her area of interest is Internal Medicine and Gastroenterology.
- She has reputed articles published in various Journals.
- She held the post of Resident (Internal Medicine) in 2001 at The Mary Imogene Bassett Hospital (Columbia University), Cooperstown, New york.
- She pursued MD (1995) in Faculty of Medicine, Siriraj Hospital, Mahidol University, Thailand and completed Fellowship in Gastroenterology (2004), from Yale University, New Haven.

Assoc. Prof. Watcharasak Chotiyaputta
Medical Gastroenterologist
- Dr. Watcharasak Chotiyaputta is an accomplished Gastroenterologist having 24+ years of experience in this field.
- He is adept in performing cholangioscopy / pancreatoscopy and single balloon assisted enteroscopy.
- His area of interest is gastrointestinal bleeding, colon cancer screening, endoscopic ultrasound (EUS) in both diagnosis and therapeutic procedures.
- He has done Certification from Thai Board of Internal Medicine (2002), Thai Board of Gastroenterology (2005), and Research fellowship (2010).
- He has published many papers in various Journals.
- He is member of various esteemed Associations which include: The Thai Medical Council, The Royal College of Physician of Thailand, and The Gastroenterological Association of Thailand.
- He pursued MD from Faculty of Medicine, Siriraj Hospital, Mahidol University (1996).
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- Dr. Watcharasak Chotiyaputta is an accomplished Gastroenterologist having 24+ years of experience in this field.
- He is adept in performing cholangioscopy / pancreatoscopy and single balloon assisted enteroscopy.
- His area of interest is gastrointestinal bleeding, colon cancer screening, endoscopic ultrasound (EUS) in both diagnosis and therapeutic procedures.
- He has done Certification from Thai Board of Internal Medicine (2002), Thai Board of Gastroenterology (2005), and Research fellowship (2010).
- He has published many papers in various Journals.
- He is member of various esteemed Associations which include: The Thai Medical Council, The Royal College of Physician of Thailand, and The Gastroenterological Association of Thailand.
- He pursued MD from Faculty of Medicine, Siriraj Hospital, Mahidol University (1996).

Assoc. Prof. Nonthalee Pausawasdi
Medical Gastroenterologist
- Assoc. Prof. Nonthalee Pausawasdi is a well-known Gastroenterologist having 23+ years of experience in this field.
- She is dexterous in performing Endoscopy and treating digestive disorders.
- Her area of interest is Internal Medicine and Gastroenterology.
- She held the post of Resident (Physician) at Department of Internal Medicine, University of Michigan Health system, Michigan (2004).
- She completed MD from Prince of Songkla University (1997), and got Research Fellowship (Gastroenterology) from University of Michigan Health system, Michigan (2001).
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- Assoc. Prof. Nonthalee Pausawasdi is a well-known Gastroenterologist having 23+ years of experience in this field.
- She is dexterous in performing Endoscopy and treating digestive disorders.
- Her area of interest is Internal Medicine and Gastroenterology.
- She held the post of Resident (Physician) at Department of Internal Medicine, University of Michigan Health system, Michigan (2004).
- She completed MD from Prince of Songkla University (1997), and got Research Fellowship (Gastroenterology) from University of Michigan Health system, Michigan (2001).

Dr. Theeratus Jongboonyanuparp
Hepatopancreatobiliary Surgeon
- Dr. Theeratus Jongboonyanuparp is a Gastroenterologist and Hepatologist having more than 22 years of expertise.
- Services provided by him includes Ulcer, Celiac Disease, Liver Cancer, Inflammatory Bowel Diseases, Pancreatitis, Jaundice, Gastrointestinal Cancer, Crohn's Disease, Gastrointestinal Bleeding, Abdominal Pain, and many more.
- Dr Aramwong Thaveelap pursued Doctor of Medicine from M.D. Faulty of Medicine, Chulalongkorn University Thailland, in 2002.
- He is a member of American Gastroenterological Association.
- He has publications credited to his name.
- He has more than 800 ERCP cases experience.
- Dr. Theeratus Jongboonyanuparp is fluent in English, and Thai.
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- Dr. Theeratus Jongboonyanuparp is a Gastroenterologist and Hepatologist having more than 22 years of expertise.
- Services provided by him includes Ulcer, Celiac Disease, Liver Cancer, Inflammatory Bowel Diseases, Pancreatitis, Jaundice, Gastrointestinal Cancer, Crohn's Disease, Gastrointestinal Bleeding, Abdominal Pain, and many more.
- Dr Aramwong Thaveelap pursued Doctor of Medicine from M.D. Faulty of Medicine, Chulalongkorn University Thailland, in 2002.
- He is a member of American Gastroenterological Association.
- He has publications credited to his name.
- He has more than 800 ERCP cases experience.
- Dr. Theeratus Jongboonyanuparp is fluent in English, and Thai.
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