Dr. Loh Siew Leong

Internal MedicinePerak

5.01049 reviews18 years of experienceAccepts appointments

About

At KPJ Sri Manjung Specialist Hospital, Dr. Loh Siew Leong serves as a Resident Consultant in Internal Medicine, caring for adults across a broad range of medical conditions. His academic background includes an MD from Universiti Kebangsaan Malaysia and an MRCP from the UK. Drawing on that foundation, he focuses on delivering thorough, specialized management of complex internal medicine cases, so that each patient's health concerns receive dedicated expert attention.

Consultation hours

Weekly availability — confirm exact times when you enquire.

October 2026

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Specialty

Internal Medicine

Languages

IndonesianMalayEnglish

Procedures & Expertise

Procedure	Focus	Est. cost
Doctor Consultation	Key focus	RM 250
Health Screening		RM 786
Endoscopy		RM 3,200
Diabetes Consultation		RM 158
Hormone Replacement Therapy (HRT)
Vaccination		RM 180
Human Papillomavirus (HPV) Vaccine

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

Qualifications

✓

MD (Universiti Kebangsaan Malaysia, Malaysia)

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MRCP (Royal College of Physicians, United Kingdom)

✓

Malaysian Medical Council (MMC) Registration

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National Specialist Register of Malaysia (NSR) Registration

What patients say

Patients who turn to Dr. Loh Siew Leong often speak of how he pinpoints complicated, chronic conditions that other clinics had missed. His calming presence at the bedside draws frequent praise, with reviewers describing care that feels as personal as family while remaining highly professional. They also value his meticulous approach to diagnostic work, including painless endoscopies, and the clarity and detail with which he explains treatment plans and overall health status.

Patient reviews

Thanachegaran Munivel

Dr. Loh Siew Leong's clinic is the best. The doctor and clinic assistants are very kind and friendly in attending to patients. Thank you.❤

Aug 2026

shan vk

Excellent service and very humble; thank you to the staff and Dr. Loh Siew Leong.

Aug 2026

Aina Husna

Thank you Dr. Loh Siew Leong for the great explanation, care and efforts to treat my condition. And thank you too to the clinic assistant Aiking and Puteri for the great and helpful assistance.

Aug 2026

Ling Hwa Soon

Good services from clinic Dr loh siew leong and staff. Best clinic ever. Tq 🫡 …

Aug 2026

Noor Zuraida

Excellent service. My go-to doctor is Dr. Loh Siew Leong.

Jul 2026

Pei Leng Lee

Good services from clinic Dr Loh Siew Leong . Dr very helpful, clinic assistant , puteri and Ai King also caring to patient . Tq so much 👍👍 …

Jul 2026

Frequently asked questions about Dr. Loh Siew Leong

Dr. Loh Siew Leong is a Internal Medicine specialist practising in Perak, Malaysia.

Dr. Loh Siew Leong specialises in Internal Medicine.

Dr. Loh Siew Leong practises at KPJ Sri Manjung Specialist Hospital.

Dr. Loh Siew Leong speaks Indonesian, Malay, English.

Dr. Loh Siew Leong holds MD (Universiti Kebangsaan Malaysia, Malaysia), MRCP (Royal College of Physicians, United Kingdom), Malaysian Medical Council (MMC) Registration, National Specialist Register of Malaysia (NSR) Registration.

Yes. Dr. Loh Siew Leong 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. Loh Siew Leong for a second opinion before you decide on treatment.

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