
Dr. Nanicha Siriwong, MD.
Internal Medicine

Dr. Nanicha Siriwong, MD.
Internal Medicine specialist · GERD, Irritable Bowel Syndrome (IBS), Chronic Constipation
Gastrointestinal and Liver Center
BPK9 International Hospital · Bangkok, Thailand · ≈3h 30m direct from Jakarta
Speaks Thai, English
Profile verified with the hospital
Asking is free and commits you to nothing, just a WhatsApp chat. A doctor replies in minutes.
First time here? Medifly is a doctor-led service for surgery and complex treatment abroad, an official partner of BPK9 International Hospital. Our doctors guide you from first question to home again.
About Dr. Nanicha
Dr. Nanicha treats GERD, Irritable Bowel Syndrome (IBS), Chronic Constipation.
Conditions Treated
Procedure Focus
- Gastrointestinal Evaluation
- Endoscopic Assessment
- Liver Disease Management
Credentials
- Doctor of Medicine — Faculty of Medicine, Siriraj Hospital, Mahidol University, Thailand
- Diploma of the Thai Board of Internal Medicine — Chulalongkorn University, Thailand
- Diploma of the Thai Sub-Board of Gastroenterology and Hepatology — Chulalongkorn University, Thailand
Where Dr. Nanicha practises.

BPK9 International Hospital
Bangkok, Thailand · ≈3h 30m direct from Jakarta
JCI-accredited private hospital in Bangkok offering multi-specialty care with advanced technology and international patient services.
Known for
Ranked top 10 among Thai private hospitals · HA Thailand accreditation for quality standards · Modern medical equipment and facilities · 24/7 emergency and specialist services
Languages
Khmer (Cambodian) · Thai · Chinese (Mandarin) · Arabic · Burmese · English · Bengali
If our doctors recommend Dr. Nanicha for your case, we arrange the appointment, your travel, and someone beside you at the hospital. You pay BPK9 International Hospital's own price, not more.
Paying with insurance?
BPK9 International Hospital, where Dr. Nanicha practises, takes direct billing from these insurers. Medifly checks your policy and handles the claim for you.
Frequently Asked Questions
It starts with one message.
Free and confidential · a doctor reads every message
How Medifly works.

Tell us what’s wrong
Symptoms, history, and what you’ve been told so far.

Our doctors study your case
Which specialist and which hospital give you the best chance.

Our doctors recommend the specialist
By call, video or in person, they explain the recommendation until the decision is clear.

We take it from here
Hospital, flights, travel. Where appropriate, we come with you.
Is Dr. Nanicha right for your case? Tell us what's wrong. If they're not the right doctor for you, we'll say so, and find who is.
Dr. Nanicha Siriwong, MD.
Internal Medicine