Best Gastroenterology Doctors in Thailand for Australians

Dr. Bee Thamonwan is an aesthetic and regenerative medicine specialist at Plenary Wellness in Phuket. She focus on natural rejuvenation using stem cells and collagen-boosting biostimulators. Dr. Thamonwan earned her medical degree from the Medical University of Lublin in Poland. She speaks Thai, English, and Chinese fluently.

• Performs advanced stem cell therapy to regenerate skin and support anti-aging from within.
• Specializes in Sculptra and biostimulator injectables for gradual, natural facial volume renewal.
• Provides PRP hair therapy and mesotherapy microinjections for restorative scalp health.
• Collaborates with Prince of Songkla University on wellness research and innovation.

Dr Ohm Sudchumphae specialises in functional gastroenterology at Panacee Hospital Rama 2. He holds a diploma in biochemical and clinical analysis to better understand digestive health.

• Treats gut issues through functional gastroenterology and paediatric food allergies
• Completed a professional master's degree in clinical nutrition in medicine
• Uses IV nutrition therapy and medicinal herbology for digestive support
• Certified by the American Board of Nutritional Wellness
• Trained in integrative oncology to support patients with gastrointestinal cancers

Dr. Thanaphat Pomyukon is a gastrointestinal and general surgeon at Mali Interdisciplinary Hospital in Bangkok. He earned his medical degree from the prestigious Chulalongkorn University. Dr. Pomyukon holds a Thai Board Diploma in General Surgery from Roi Et Hospital. He treats digestive system diseases, breast lumps, and gallstones.

• Specializes in surgical repair for hernias and hemorrhoid treatment.
• Performs gastrointestinal endoscopy, including gastroscopy and colonoscopy.
• Practices at Mali Interdisciplinary Hospital, which holds American AACI accreditation.
• Works within a gastro-colonoscopic unit at a GHA-accredited facility.

Dr. Natthaphon Srithurawanit is a regenerative medicine specialist at Mali Interdisciplinary Hospital in Bangkok. He integrates conventional and precision medicine to treat chronic non-communicable diseases. Dr. Srithurawanit focuses on reducing healing times through restorative techniques at a GHA-accredited facility.

• Performs stem cell therapy for tissue repair and anti-aging rejuvenation.
• Conducts aesthetic procedures including PRP therapy, Botox, and laser treatments.
• Provides precision medical screenings including basic and premium health check-ups.
• Works at an AACI-accredited hospital serving 50,000 international patients annually.

Dr. Koravee Wirojskoolchai is a board-certified general surgeon at PMG Hospital in Bangkok. He earned his medical degree at Rangsit University. His primary certification comes from Somdech Phra Pinklao Hospital, Royal Thai Navy Medical Department. Dr. Wirojskoolchai also holds certification in anti-aging and nutritional medicine.

• Trained in JCI Hospital Standards and International Healthcare Service Standards.
• Completed specialized training in medical informatics for hospital development.
• Participant in the Thai Chelation Medical Association’s therapy seminars.
• Works at PMG Hospital, which holds Global Healthcare Accreditation for international services.

Dr Keerapat Phiromkraiphakdi is a specialist surgeon at ID Clinic Bangkok who brings global training to his practice. He serves as a Medical Professor at Srinakharinwirot University.

• Completed specialist surgical training at Vajira and Ramathibodi Hospitals
• Undertook further surgical training in the United States at UTHSC and PACES
• Member of the Thai Society of Plastic Surgeons
• Current consultant at the Center for Aesthetic Plastic Surgery

Dr Pichai Kittipanyaworakul is a leading specialist in gastroenterology and hepatology at Intrarat Hospital, where he focuses on both medical and surgical digestive care.

• Holds specialist diplomas from Chulalongkorn Memorial and Ramathibodi Hospitals – two of Thailand's most prestigious medical institutions
• Focuses on minimally invasive techniques for treating reflux and removing polyps
• Provides comprehensive care for liver-related conditions as a certified hepatologist
• Expertise includes complex gastric procedures and oesophageal health

Dr Parischamon Samilang integrates general medical diagnosis with specialised certifications in regenerative medicine and nutritional wellness at PrimeCare Bkk.

• Graduated from Mahidol University's Ramathibodi Hospital – a top-tier medical school in Thailand
• Certified by the American Board of Anti-aging and Regenerative Medicine
• Holds a Nutritional Wellness certification from the American Naturopathic Certification Board
• Focuses on combining standard disease treatment with proactive wellness care
• Provides consultations in English and Thai for international patients

Dr. Watcharin Wichapolchaiyakul is a board-certified gastroenterologist and internal medicine specialist at Siriraj Hospital, Mahidol University in Bangkok. He completed a gastroenterology fellowship and internal medicine board training at Siriraj. He received his MD from the Faculty of Medicine Siriraj Hospital. He graduated with First Class Honors (GPA 3.90).

His clinical expertise includes Helicobacter pylori infection, gastric mucosal disorders, and drug-induced liver injury. He has presented research at Digestive Disease Week in Chicago. His work covers gastric microbiota in CagA-positive and CagA-negative H. pylori. It also includes gene-guided N-acetylcysteine for prevention of anti-tuberculous drug-induced hepatitis. He is a member of GAT, the AGA Institute, the Medical Council of Thailand, and RCPT.

Dr. Kasama Wiroskoolchai is a wellness specialist at Mali Interdisciplinary Hospital in Bangkok. Dr. Wiroskoolchai focuses on combining conventional and precision medicine to treat chronic conditions. The doctor manages non-communicable diseases like type 1 and type 2 diabetes. This approach aims to improve quality of life and longevity through restorative care.

• Specializes in pharmacopuncture and rehabilitation after stroke or traumatic brain injury.
• Treats autoimmune conditions, including rheumatoid arthritis and autoimmune hepatitis.
• Works at a facility accredited by the GHA and AACI for international patient safety.
• Uses regenerative techniques to help tissue repair and prevent disease complications.

Dr Donna Robinson is a UK-trained and qualified physician holding dual medical licences in both the United Kingdom and Thailand. She leads MedConsult Bangkok as the Medical Director, providing high-standard care for international patients.

• Specialises in general practice and integrated healthcare
• Holds a Thai and UK medical licence for versatile care
• Received the Best Integrated Healthcare Clinic of the Year award
• Won the Women in Business Award at the British Chamber International Business Awards
• Provides care at her clinic, MedConsult Bangkok Medical Clinic

Dr. Pichai Kittipanyaworakul is a gastroenterologist and hepatologist at Navamin 9 Hospital in Bangkok. He earned his medical degree from Chiang Mai University. Dr. Kittipanyaworakul holds a diploma in gastroenterology and hepatology from Mahidol University, a top-tier Thai institution. He works at a JCI-accredited facility that treats 30,000 patients every year.

• Specializes in treating complex liver conditions like chronic Hepatitis B and C.
• Performs specialized procedures including stomach resection and gastric polyps removal.
• Manages autoimmune digestive disorders, Crohn's disease, and ulcerative colitis.
• Offers diagnostic screenings like gastroscopy with biopsy and transnasal endoscopy.

Navamin 9 Hospital is a private hospital accredited by JCI and Thailand Hospital Accreditation (HA). It is in Bangkok’s Min Buri district and was founded in 2008. The hospital treats about 30,000 patients each year. Its medical team includes 100 doctors across 10 departments.

Services include a center for cardiology and internal medicine. There is a 24-hour emergency and trauma center. The hospital offers advanced surgery. It provides mother and child care. It also runs wellness and check-up programs for preventive care.

Professor Varocha Mahachai is a senior medical gastroenterologist at Bangkok Hospital Pattaya with dual North American fellowships and extensive clinical expertise.

• Specialises in inflammatory bowel disease (IBD), irritable bowel syndrome (IBS), and complex reflux conditions
• Trained at the University of California, San Francisco in clinical pharmacology
• Holds a Master of Science from the University of Alberta in Canada
• Fellow of the American College of Gastroenterology (FACG) and Royal College of Physicians of Canada (FRCPC)
• Expert in hepatology including hepatitis, cirrhosis, and fatty liver disease

Dr. Premkamol Patraithikul is a general surgeon with advanced training in minimally invasive techniques. Dr. Patraithikul earned an M.D. from Khon Kaen University. Dr. Patraithikul completed a residency in general surgery at Thammasat University. Dr. Patraithikul completed a fellowship in laparoscopic surgery at Mahidol University (Siriraj Hospital) in Thailand.

Clinical expertise includes laparoscopic and robotic surgery. Practice also covers general surgery, obesity and weight‑management surgery, and surgery for gastrointestinal conditions.