All specialties

Assoc. Prof. Vichien Srimuninnimit
HematologistBangkok, Thailand
33+ years of experience
Associate Professor
- Dr. Vichien Srimuninnimit is one of the best oncologists and hematologists having 30+ years of experience in this field.
- He is dexterous in diagnosing and treating cancers in adults using chemo, hormonal, biological, and targeted therapies.
- His area of expertise is medical oncology.
- His articles and papers are published in Journals of reputed importance.
- He held the post of President of Thai Society of Clinical Oncology
- He was appointed as Clinical Fellow (Medical Oncology), 1991 and Clinical Research fellow (Medical Oncology) at MD Anderson Cancer Centre and Medical College of Virginia, USA, respectively.
- He pursued MD (First class) and FRCP (Board of Internal Medicine), from the Faculty of Medicine, Siriraj Hospital, Mahidol University, Thailand, in 1982 and 1987, respectively.
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- Dr. Vichien Srimuninnimit is one of the best oncologists and hematologists having 30+ years of experience in this field.
- He is dexterous in diagnosing and treating cancers in adults using chemo, hormonal, biological, and targeted therapies.
- His area of expertise is medical oncology.
- His articles and papers are published in Journals of reputed importance.
- He held the post of President of Thai Society of Clinical Oncology
- He was appointed as Clinical Fellow (Medical Oncology), 1991 and Clinical Research fellow (Medical Oncology) at MD Anderson Cancer Centre and Medical College of Virginia, USA, respectively.
- He pursued MD (First class) and FRCP (Board of Internal Medicine), from the Faculty of Medicine, Siriraj Hospital, Mahidol University, Thailand, in 1982 and 1987, respectively.

Prof. Charn Sriratanasathavorn
Cardiac ElectrophysiologistBangkok, Thailand
33+ years of experience
Professor
- Prof. Charn Sriratanasathavorn is one of the best cardiologists having 30+ years of experience in this field.
- He is adept in treating acute myocardial infarction, blood pressure, cardiomyopathies, atherosclerosis, and atrial fibrillation.
- His other areas of expertise are clinical cardiology, Pacemaker, electrocardiography, cardiovascular physiology, and Radiofrequency ablation.
- He is member of various esteemed associations which include: The Medical Council of Thailand, The Heart Association of Thailand, The Royal College of Physicians of Thailand, The Thai Society of Atherosclerosis, and The American College of Cardiology.
- He pursued MD (1987) from Siriraj Hospital, Mahidol University, Thailand, and Internal Medicine (1991) from Wayne State University, United States.
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- Prof. Charn Sriratanasathavorn is one of the best cardiologists having 30+ years of experience in this field.
- He is adept in treating acute myocardial infarction, blood pressure, cardiomyopathies, atherosclerosis, and atrial fibrillation.
- His other areas of expertise are clinical cardiology, Pacemaker, electrocardiography, cardiovascular physiology, and Radiofrequency ablation.
- He is member of various esteemed associations which include: The Medical Council of Thailand, The Heart Association of Thailand, The Royal College of Physicians of Thailand, The Thai Society of Atherosclerosis, and The American College of Cardiology.
- He pursued MD (1987) from Siriraj Hospital, Mahidol University, Thailand, and Internal Medicine (1991) from Wayne State University, United States.

Assoc. Prof. Chunhakasem Chotinaiwattarakul
Cardiac ElectrophysiologistBangkok, Thailand
33+ years of experience
Professor
- Dr. Chunhakasem Chotinaiwattarakul is a distinguished cardiologist having 30+ years of experience in this field.
- He is dexterous in treating acute myocardial infarction, blood pressure, cardiomyopathies, atherosclerosis, and atrial fibrillation.
- His other areas of skill are clinical cardiology, electrocardiography, cardiovascular physiology, and echocardiography.
- He has publications in reputed journals.
- He was granted Clinical Fellowship (Interventional Cardiology) from The Princes Charles Hospital, Brisbane, Australia (1999).
- He pursued MD (1985), PG Internal Medicine (1989), and Diploma Internal medicine (1991) from Siriraj Hospital, Mahidol University, Bangkok.
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- Dr. Chunhakasem Chotinaiwattarakul is a distinguished cardiologist having 30+ years of experience in this field.
- He is dexterous in treating acute myocardial infarction, blood pressure, cardiomyopathies, atherosclerosis, and atrial fibrillation.
- His other areas of skill are clinical cardiology, electrocardiography, cardiovascular physiology, and echocardiography.
- He has publications in reputed journals.
- He was granted Clinical Fellowship (Interventional Cardiology) from The Princes Charles Hospital, Brisbane, Australia (1999).
- He pursued MD (1985), PG Internal Medicine (1989), and Diploma Internal medicine (1991) from Siriraj Hospital, Mahidol University, Bangkok.

Assoc. Prof. Phunchai Charatcharoenwitthaya
Medical GastroenterologistBangkok, Thailand
30+ years of experience
Associate Professor
- 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.
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Assoc. Prof. Pranya Sakiyalak
Cardiac SurgeonBangkok, Thailand
23+ years of experience
Associate Professor
- Dr. Pranya Sakiyalak is one of the supreme Cardiac and Thoracic surgeons having 20+ years of experience in this field.
- He is adept in performing Bentall procedure, Coronary Artery Bypass Grafting (CABG)-Redo, Cardiac valve replacement, Aortic valve replacement, Heart double valve replacement, and Heart transplant.
- He was granted Fellowship such as Lung Transplantation fellowship (2002-2003), Loyola University, Illinois and post-doctoral Fellowship, University of Minnesota, Minnesota (1991-1993).
- He is well-reputed and wanted medical expert and has been connected with many hospitals over the course of his illustrious career such as Medical Center Thoracic Surgery Residency (2000-2002), General Surgery Resident, Medical College of Ohio, Ohio (1993-2000).
- He has numerous research articles and papers submitted in national and international journals.
- Dr. Sakiyalak is associated with esteemed associations such as American Board of Thoracic Surgery and American Board of Surgery.
- He completed Pre-medical studies (1986) from Mahidol University, Salaya and MD (1991) from Siriraj Hospital, Mahidol University, Bangkok.
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- Dr. Pranya Sakiyalak is one of the supreme Cardiac and Thoracic surgeons having 20+ years of experience in this field.
- He is adept in performing Bentall procedure, Coronary Artery Bypass Grafting (CABG)-Redo, Cardiac valve replacement, Aortic valve replacement, Heart double valve replacement, and Heart transplant.
- He was granted Fellowship such as Lung Transplantation fellowship (2002-2003), Loyola University, Illinois and post-doctoral Fellowship, University of Minnesota, Minnesota (1991-1993).
- He is well-reputed and wanted medical expert and has been connected with many hospitals over the course of his illustrious career such as Medical Center Thoracic Surgery Residency (2000-2002), General Surgery Resident, Medical College of Ohio, Ohio (1993-2000).
- He has numerous research articles and papers submitted in national and international journals.
- Dr. Sakiyalak is associated with esteemed associations such as American Board of Thoracic Surgery and American Board of Surgery.
- He completed Pre-medical studies (1986) from Mahidol University, Salaya and MD (1991) from Siriraj Hospital, Mahidol University, Bangkok.

Assist. Prof. Ekkapoj Korwutthikulrangsri
Arthroscopy and Sports MedicineBangkok, Thailand
19+ years of experience
Associate Professor
- Dr. Ekkapoj Korwutthikulrangsri is a well-known orthopedic surgeon having 16+ years of experience in this field.
- He is adept in treating Knee Arthroscopy, shoulder injuries due to sports, adult reconstructive surgery, Foot and Ankle surgery.
- His areas of expertise are hand and microsurgery, metabolic bone diseases, orthopedic trauma, and spine surgery.
- He has many articles and papers published in reputed journals.
- He completed M.D. (2004), and Diploma (Thai Board of Spine Surgery/ Orthopedic Surgery) from Siriraj Hospital, Mahidol University, Thailand
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- Dr. Ekkapoj Korwutthikulrangsri is a well-known orthopedic surgeon having 16+ years of experience in this field.
- He is adept in treating Knee Arthroscopy, shoulder injuries due to sports, adult reconstructive surgery, Foot and Ankle surgery.
- His areas of expertise are hand and microsurgery, metabolic bone diseases, orthopedic trauma, and spine surgery.
- He has many articles and papers published in reputed journals.
- He completed M.D. (2004), and Diploma (Thai Board of Spine Surgery/ Orthopedic Surgery) from Siriraj Hospital, Mahidol University, Thailand

Assoc. Prof. Varayu Prachayakul
Hepatopancreatobiliary SurgeonBangkok, Thailand
30+ years of experience
Associate Professor
- 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).

Assoc. Prof. Siwaporn Chainuvati
Hepatopancreatobiliary SurgeonBangkok, Thailand
28+ years of experience
Associate Professor
- 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. Kongkhet Riansuwan
Arthroscopy and Sports MedicineBangkok, Thailand
26+ years of experience
Associate Professor
- Dr. Kongkhet Riansuwan is an accomplished orthopedist having 23+ years of experience in this field.
- He is proficient in diagnosing and treating Knee Arthroscopy, shoulder injuries due to sports, adult reconstructive surgery, Foot and Ankle surgery.
- His areas of expertise are hand and microsurgery, metabolic bone diseases, orthopedic trauma, and spine surgery.
- He is a member of Thai Board of Orthopedics.
- He has published many papers and articles in reputed journals.
- He completed M.D (1997) from Faculty of Medicine, Siriraj Hospital, Mahidol University, Thailand and completed Fellowship (Orthopedic Trauma/ Orthopedic Trauma and Adult Reconstruction) from Hannover Medical School, Germany and Columbia University, respectively.
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- Dr. Kongkhet Riansuwan is an accomplished orthopedist having 23+ years of experience in this field.
- He is proficient in diagnosing and treating Knee Arthroscopy, shoulder injuries due to sports, adult reconstructive surgery, Foot and Ankle surgery.
- His areas of expertise are hand and microsurgery, metabolic bone diseases, orthopedic trauma, and spine surgery.
- He is a member of Thai Board of Orthopedics.
- He has published many papers and articles in reputed journals.
- He completed M.D (1997) from Faculty of Medicine, Siriraj Hospital, Mahidol University, Thailand and completed Fellowship (Orthopedic Trauma/ Orthopedic Trauma and Adult Reconstruction) from Hannover Medical School, Germany and Columbia University, respectively.

Assoc. Prof. Watcharasak Chotiyaputta
Medical GastroenterologistBangkok, Thailand
27+ years of experience
Associate Professor
- 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 GastroenterologistBangkok, Thailand
26+ years of experience
Associate Professor
- 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).

Prof. Nattawut Wongpraparat
Cardiac ElectrophysiologistBangkok, Thailand
28+ years of experience
Associate Professor
- Dr. Nattawut Wongpraparat is one of the best Interventional cardiologists having 25+ years of experience in this field.
- He is skilled in treating acute myocardial infarction, blood pressure, cardiomyopathies, atherosclerosis, and atrial fibrillation.
- His other areas of interest are clinical cardiology, electrocardiography, cardiovascular physiology, and echocardiography.
- He was granted the Fellowship of different Societies which include: European Society of Cardiology (FESC) (2019), Society of Cardiovascular Angiography and Interventions, American College of Cardiology, American Society of Internal medicine (2005).
- He is also a member of esteemed associations which are: American Board of Vascular medicine and American Board of Internal medicine.
- He held the post of Associate Prof. (Medicine), Siriraj Hospital, Mahidol University, 2013.
- He pursued Medicine, from Chulalongkorn University (1995) and did Internal Medicine Training from Albert Einstein Medical Centre, Philadelphia, Pennsylvania, USA (1999).
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- Dr. Nattawut Wongpraparat is one of the best Interventional cardiologists having 25+ years of experience in this field.
- He is skilled in treating acute myocardial infarction, blood pressure, cardiomyopathies, atherosclerosis, and atrial fibrillation.
- His other areas of interest are clinical cardiology, electrocardiography, cardiovascular physiology, and echocardiography.
- He was granted the Fellowship of different Societies which include: European Society of Cardiology (FESC) (2019), Society of Cardiovascular Angiography and Interventions, American College of Cardiology, American Society of Internal medicine (2005).
- He is also a member of esteemed associations which are: American Board of Vascular medicine and American Board of Internal medicine.
- He held the post of Associate Prof. (Medicine), Siriraj Hospital, Mahidol University, 2013.
- He pursued Medicine, from Chulalongkorn University (1995) and did Internal Medicine Training from Albert Einstein Medical Centre, Philadelphia, Pennsylvania, USA (1999).
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