Dr. Thein Soo Sun

Internal MedicineKuala Lumpur

5.0312 reviews27 years of experienceAccepts appointments

About

Dr. Thein Soo Sun is a Gastroenterologist & Hepatologist who has specialised in Internal Medicine, with more than two decades of expertise dating back to 1999. He is renowned for his comprehensive management of complex digestive and liver disorders, including colon polyps and cancer, hepatitis, GERD, peptic ulcers, colitis, and IBS. Patients seek his care for his thorough approach to conditions affecting the gallbladder, biliary tract, and nutritional health, ensuring effective treatment for a wide range of gastrointestinal and hepatic issues.

Consultation hours

Weekly availability — confirm exact times when you enquire.

October 2026

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Dates less than 3 days away need more time to arrange with the hospital. Need it sooner? Message us on WhatsApp.

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Specialty

Internal Medicine

Sub-specialties

Gastroenterology

Languages

MandarinIndonesianMalayEnglishCantonese

Procedures & Expertise

Procedure	Focus	Est. cost
Doctor Consultation	Key focus	RM 250
Gastroenterology Consultation		RM 350
Diabetes Consultation		RM 158
Health Screening		RM 786
Endoscopic Ultrasound (EUS)
Irritable Bowel Syndrome (IBS) Treatment		RM 450
Endoscopy		RM 3,200
Combined Gastroscopy and Colonoscopy		RM 3,600

Estimates only. The final cost depends on your condition, the hospital and your doctor, and is confirmed by the hospital before treatment.

Qualifications

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MBBS (Manipal University, India)

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MMed (Internal Medicine) (Universiti Kebangsaan Malaysia, Malaysia)

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Fellowship (Gastroenterology) (Ministry of Health Malaysia, Malaysia)

What patients say

Patients treated by Dr. Thein Soo Sun often praise the clarity of his explanations, saying he translates complicated medical ideas into everyday language they can easily follow. His calm manner and the thoroughness of his clinical assessments are also singled out by reviewers, who describe these qualities as central to the trust that develops during their consultations.

Patient reviews

Md Ruhul Amin

Dr thein and nurse Wong was so helpful and polite

Sept 2026

Bahiya Ram

Dr Thein and nurse Wong was so friendly and kind

Sept 2026

Thapa Arjun

Dr thein and nurse wong was so polite and friendly

Sept 2026

Murugasan P

Dr thein and nurse Wong was so polite and helpful.

Sept 2026

Sa diar

Dr thein and nurse wong was so kind

Sept 2026

Kumar Raj

Dr thein and nurse wong was so helpful and kind

Sept 2026

Frequently asked questions about Dr. Thein Soo Sun

Dr. Thein Soo Sun is a Internal Medicine specialist practising in Kuala Lumpur, Malaysia.

Dr. Thein Soo Sun specialises in Internal Medicine, with particular focus on Gastroenterology.

Dr. Thein Soo Sun practises at KPJ Sentosa KL Specialist Hospital.

Dr. Thein Soo Sun speaks Mandarin, Indonesian, Malay, English, Cantonese.

Dr. Thein Soo Sun holds MBBS (Manipal University, India), MMed (Internal Medicine) (Universiti Kebangsaan Malaysia, Malaysia), Fellowship (Gastroenterology) (Ministry of Health Malaysia, Malaysia).

Yes. Dr. Thein Soo Sun sees international patients, and MedBay coordinates the appointment, interpreters and any paperwork so your visit is straightforward.

Yes. Send us your existing reports and scans, and we can arrange a consultation with Dr. Thein Soo Sun for a second opinion before you decide on treatment.

Tell MedBay about your condition and our team arranges the appointment with Dr. Thein Soo Sun directly. The concierge is free, and you always pay the hospital's own rate.