Bangkok Hospital – Thailand
About Dr. Napapat Amornwichet
Assistant Professor Dr. Napapat Amornwichet is a highly accomplished Radiation Oncologist with over 15 years of clinical and academic experience. She is internationally trained in heavy ion therapeutics in Japan and is one of Thailand’s leading voices in advanced radiation oncology research.
- 15+ years of experience in radiation oncology and cancer research
- MD from Faculty of Medicine, Chulalongkorn University, Thailand (2006)
- Diploma, Thai Board of Radiation Oncology (2009–2012)
- PhD in Medical Sciences — Heavy Ion Therapeutics & Engineering, Gunma University, Japan (2016)
- Multiple high-impact publications including in PLOS One, Radiation Oncology, and Scientific Reports
Qualifications & Credentials
Medical Degrees
- Doctor of Medicine (MD) — Faculty of Medicine, Chulalongkorn University, Thailand, 2006
- Diploma, Thai Board of Radiation Oncology, Thailand, 2009–2012
- Doctor of Philosophy (PhD) in Medical Sciences (Program for Cultivating Global Leaders in Heavy Ion Therapeutics and Engineering) — The Graduate School of Medicine, Gunma University, Japan, 2016
Fellowships & Special Training
- International research training in Heavy Ion Therapeutics — Gunma University, Japan
- Collaboration with National Cancer Center Research Institute, Japan
Certifications & Accreditations
- Thai Medical Council Registration
- Thai Society of Therapeutic Radiology and Oncology (THASTRO) — Member
- Royal College of Radiologists of Thailand
Areas of Expertise
Major Conditions Treated
- Hepatocellular Carcinoma (Liver Cancer)
- Colorectal Cancer (Rectal Cancer)
- Cervical Cancer
- Breast Cancer
- Lung Cancer (Non-Small Cell & Small Cell)
- Head & Neck Cancers
- Prostate Cancer
- Brain Tumours
- Soft Tissue Sarcomas
- Radiation Proctitis & Late Effects
Sub-specialties
- Precision Radiation Oncology: Image-guided and intensity-modulated radiation therapy — a trusted radiation oncologist specialist in Bangkok, Thailand for international patients seeking the best cancer doctor for advanced radiotherapy.
- Heavy Ion & Carbon Ion Therapy Research: International research expertise from Gunma University, Japan — among Asia's leading carbon ion centres.
- Machine Learning in Radiation Oncology: Application of predictive models to normal tissue complication and personalised treatment planning.
Advanced Procedures & Treatments
- Intensity-Modulated Radiation Therapy (IMRT)
- Image-Guided Radiation Therapy (IGRT)
- Stereotactic Body Radiation Therapy (SBRT)
- Stereotactic Radiosurgery (SRS)
- Volumetric Modulated Arc Therapy (VMAT)
- Brachytherapy for Cervical and Prostate Cancer
- Conformal 3D Radiotherapy
- Concurrent Chemoradiation Coordination
- Management of Radiation-related Side Effects
List of Disease and Treatment for which Dr. Napapat Amornwichet can be consulted
Professional Experience
Current Affiliation
- Bangkok Hospital / Bangkok Cancer Hospital, Bangkok, Thailand — Radiation Oncologist, Radiation Oncology Center, Present
- Bumrungrad International Hospital, Bangkok, Thailand — Consultant Radiation Oncologist
- Division of Radiation Oncology, Department of Radiology, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Bangkok, Thailand — Assistant Professor / Instructor, Present
Past Affiliations
- Department of Radiation Oncology, Gunma University Graduate School of Medicine, Maebashi, Japan — PhD Researcher
- National Cancer Center Research Institute, Japan — Research Collaborator
Academic & Research Roles
- Assistant Professor — Division of Radiation Oncology, Chulalongkorn University, Bangkok
- Principal investigator and co-investigator — Multiple international and national radiation oncology research projects
- Member — HPSP (Hokkaido-Chulalongkorn Precision Medicine collaboration)
Key Achievements
- PhD in Heavy Ion Therapeutics from Gunma University, Japan (one of Asia's leading carbon ion centres)
- Multiple high-impact peer-reviewed publications in PLOS One, Radiation Oncology, Scientific Reports
- Pioneer in machine learning applications for radiation oncology in Thailand
- Trusted by international patients for advanced precision radiation therapy
Awards & Recognitions
National & International Awards
- Program for Cultivating Global Leaders in Heavy Ion Therapeutics & Engineering — Gunma University, Japan
Professional Memberships
- Thai Society of Therapeutic Radiology and Oncology (THASTRO)
- European Society for Radiotherapy & Oncology (ESTRO) — Affiliated through research collaboration
- Royal College of Radiologists of Thailand
- Thai Medical Council
Research & Publications
Published Papers (Selected)
- Amornwichet N, Oike T, Shibata A, et al. "Carbon-Ion Beam Irradiation Kills X-Ray-Resistant p53-Null Cancer Cells by Inducing Mitotic Catastrophe." PLOS One. 2014;9(12):e115121. DOI:10.1371/journal.pone.0115121.
- Kobayashi D, Oike T, Shibata A, Niimi A, Kubota Y, Sakai M, Amornwichet N, et al. "Mitotic catastrophe is a putative mechanism underlying the weak correlation between sensitivity to carbon ions and cisplatin." Scientific Reports. 2017;7:40588.
- Prayongrat A, Srimaneekarn N, Thonglert K, Khorprasert C, Amornwichet N, et al. "Machine learning-based normal tissue complication probability model for predicting albumin-bilirubin (ALBI) grade increase in hepatocellular carcinoma patients." Radiation Oncology. 2022;17:202.
- Pattarajierapan S, Amornwichet N, Khomvilai S. "Rectal irrigation as rescue therapy for refractory and severe hemorrhagic radiation proctitis: A case report." Clinical Case Reports. 2021;9:e04985.
- Katepratoom C, Manchana T, Amornwichet N. "Lower urinary tract dysfunction and quality of life in cervical cancer survivors after concurrent chemoradiation versus radical hysterectomy." International Urogynecology Journal. 2014;25(1):91–96.
Ongoing Research & Clinical Interests
- Heavy ion / carbon ion therapy
- Machine learning in radiation oncology
- Hepatocellular carcinoma radiotherapy
- Cervical cancer chemoradiation outcomes
- Quality of life in cancer survivors
Estimated Treatment Costs
| Procedure / Consultation | Estimated Cost (INR) | Estimated Cost (USD) |
|---|---|---|
| Radiation Oncology Consultation | ₹2,000 – ₹5,000 | $25 – $60 |
| IMRT (Full Course) | ₹3,00,000 – ₹7,50,000 | $3,600 – $9,000 |
| Stereotactic Body Radiation Therapy (SBRT) | ₹2,50,000 – ₹6,00,000 | $3,000 – $7,200 |
| Brachytherapy for Cervical Cancer | ₹1,50,000 – ₹4,00,000 | $1,800 – $4,800 |
| Stereotactic Radiosurgery (SRS, Brain) | ₹2,50,000 – ₹6,50,000 | $3,000 – $7,800 |
*Indicative estimates only. Actual costs subject to hospital pricing, case complexity, and insurance. Contact Cancer Rounds for a personalised quote.
Frequently Asked Questions
1. What advanced technologies does Dr. Napapat Amornwichet use in Radiation Oncologist treatment?
Dr. Napapat Amornwichet applies advanced radiation oncology platforms — IMRT, IGRT, SBRT, SRS, VMAT, and brachytherapy — combined with research-backed machine learning models for personalised treatment planning. Her international research at Gunma University gives her unique expertise in carbon ion therapy science. Contact Cancer Rounds for a detailed technology overview specific to your case.
2. What conditions does Dr. Napapat Amornwichet specialize in treating?
Dr. Napapat Amornwichet is a specialist in Radiation Oncologist care, with deep expertise in liver, rectal, cervical, breast, lung, head & neck, prostate, brain tumours, sarcomas, and management of radiation-related complications in Bangkok, Thailand.
3. How do I book an appointment with Dr. Napapat Amornwichet?
Appointments with Dr. Napapat Amornwichet can be booked directly through the Cancer Rounds website or by contacting their international patient department for priority scheduling.
4. Can international patients receive treatment from Dr. Napapat Amornwichet?
Yes. Cancer Rounds provides full assistance for international patients seeking treatment from Dr. Napapat Amornwichet, including medical visa invitation letters, airport transfers, and local accommodation coordination.
5. What support is available for international patients?
International patients benefit from a dedicated concierge service provided by Cancer Rounds, including language interpretation, financial counselling, and pre-travel virtual consultations to review medical records before arrival.
6. Does Dr. Napapat Amornwichet offer second opinions for Radiation Oncologist cases?
Yes. Second opinion consultations can be arranged via Cancer Rounds for patients who wish to review their diagnosis or treatment plan with an expert Radiation Oncologist specialist in Bangkok, Thailand.
Bumrungrad International Hospital, Bangkok - Thailand
