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      Dr. Loh Siew Leong

      Internal Medicine
      ⭐5.0(1005 reviews)
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      Consultation hours for Dr. Loh Siew Leong

      Regular weekly consultation sessions by hospital. Availability on specific dates may vary — use the schedule calendar above or send a booking request to confirm.

      KPJ Sri Manjung Specialist Hospital

      DayHours
      Monday9:30 AM – 1:00 PM (Morning)
      Monday2:00 PM – 5:00 PM (Afternoon)
      Tuesday9:30 AM – 1:00 PM (Morning)
      Tuesday2:00 PM – 5:00 PM (Afternoon)
      Wednesday9:30 AM – 1:00 PM (Morning)
      Wednesday2:00 PM – 5:00 PM (Afternoon)
      Thursday9:30 AM – 1:00 PM (Morning)
      Thursday2:00 PM – 5:00 PM (Afternoon)
      Friday9:30 AM – 1:00 PM (Morning)
      Friday2:00 PM – 5:00 PM (Afternoon)
      Saturday9:30 AM – 12:30 PM (Morning)

      Quick summary

      Dr. Loh Siew Leong is a Internal Medicine practicing at KPJ Sri Manjung Specialist Hospital in Sitiawan, Malaysia, with approximately 18 years of experience and an average rating of 5.0 out of 5 from 1005 patient reviews. View qualifications, languages spoken and book an appointment on MedLads.

      Frequently asked questions about Dr. Loh Siew Leong

      Who is Dr. Loh Siew Leong?

      Dr. Loh Siew Leong is a Internal Medicine affiliated with KPJ Sri Manjung Specialist Hospital in Sitiawan, Malaysia, with approximately 18 years of experience. The profile on MedLads includes verified patient reviews.

      What does Dr. Loh Siew Leong specialize in?

      Dr. Loh Siew Leong specializes in Internal Medicine.

      What procedures does Dr. Loh Siew Leong specialize in?

      Dr. Loh Siew Leong focuses on procedures including Doctor Consultation, Health Screening, Diabetes Consultation, Hormone Replacement Therapy (HRT), Vaccination. These are ranked using real signals on MedLads — patient enquiries, reviews that mention each procedure, and the doctor's own declared specialization.

      Where does Dr. Loh Siew Leong practice?

      Dr. Loh Siew Leong practices at KPJ Sri Manjung Specialist Hospital in Sitiawan, Malaysia.

      What languages does Dr. Loh Siew Leong speak?

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

      What do patients say about Dr. Loh Siew Leong?

      Dr. Loh Siew Leong has an average rating of 5.0 out of 5 from 1005 patient reviews on MedLads.

      How do I book an appointment with Dr. Loh Siew Leong?

      You can book Dr. Loh Siew Leong on MedLads: open the profile, tap "Book Appointment", pick a preferred date and time, and submit your booking request. The clinic usually responds within 24 hours to confirm.

      Book Dr. Loh Siew Leong on MedLads
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      Dr. Loh Siew Leong

      Dr. Loh Siew Leong

      Internal Medicine

      18 years experience
      ·
      5.0 (1005 ratings)

      What patients say

      Patients consistently describe Dr. Loh Siew Leong as kind, understanding, and highly professional. Many commend his attentive and thorough approach, along with his clear, patient explanations of their condition and treatment. Reviewers frequently express gratitude for his expertise and commitment, noting his effective care in resolving complex or previously undiagnosed issues.

      AI-generated summary based on 1,002 written patient reviews rated 4 stars or above. It never adds anything patients did not write. How we create summaries

      Procedures & Expertise

      Doctor Consultation
      typically RM 200 – RM 350
      Health Screening
      typically RM 650 – RM 1,000
      Diabetes Consultation
      typically RM 130 – RM 200
      Hormone Replacement Therapy (HRT)
      Vaccination
      typically RM 140 – RM 250
      Human Papillomavirus (HPV) Vaccine

      Typical costs are catalog estimates in Malaysian private hospitals; your final quote depends on the hospital and your clinical needs.

      Qualifications

      • MD (Universiti Kebangsaan Malaysia, Malaysia)
      • MRCP (Royal College of Physicians, United Kingdom)
      • Malaysian Medical Council (MMC) Registration
      • National Specialist Register of Malaysia (NSR) Registration

      Languages Spoken

      English
      Malay
      Indonesian

      Patient Reviews

      5.0
      1005 reviews
      A

      Kasih Fiona

      December 15, 2025 at 4:19 PM

      5/5
      Google Review

      During my stay in the ward, Dr. Loh was exceptionally kind and understanding. I came to see Dr. Loh after visiting numerous other clinics, but my condition remained unresolved, and no one could identify the root cause of my illness. However, in both instances I sought treatment from Dr. Loh, he successfully diagnosed and treated my health issues. One of the most significant problems I faced was chronic sinusitis, which had affected me for years without a clear cause. Thanks to Dr. Loh’s expertise, I finally received the right diagnosis and effective treatment. I would also like to express my sincere appreciation to the clinic assistants and nurses at KPJ. They were extremely patient, caring, and highly professional in every aspect of their work. Without a doubt, if I ever fall ill again, I will no longer consider any other clinic. My full trust now lies with Dr. Loh Siew Leong’s clinic.

      Attached Images (2)

      Review image 1
      Review image 2
      A

      Moon Tan

      February 2, 2026 at 7:21 AM

      1/5
      Google Review

      Review content available on Google

      View Content on Google
      A

      Naim Naimi

      January 14, 2026 at 2:04 PM

      5/5
      Google Review

      I would like to express my gratitude to Dr. Loh Siew Leong and his entire team at KPJ Specialist Manjung for their highly professional treatment and service. Dr. Loh was very attentive and concerned about my condition, explaining each step of the treatment clearly and patiently. The clinic staff were also very friendly, helpful, and efficient in managing patient needs. Throughout my treatment, I felt comfortable and confident that I was in the best hands.

      Attached Images (1)

      Review image 1
      A

      Peter Mueller

      December 15, 2025 at 4:24 PM

      5/5
      Google Review

      Dear Muhammad Tareq Mamat, CEO KPJ Sri Manjung, I just completed my 2nd stay this week at KPJ Sri Manjung to complete my Pancreatis operation. Again I am extremely pleased with the fine overal services provided. Special mention: Your staff on the 5th ward, the physio therapy, Mr Arif.Your operating Doctor Mr. Haniif bin Ahmad Mazian and his entire operating Team. Dr Haniif Bin Ahmad Mazian is a top specialist in his field and an extremely knowledgeable enthusiastic and positive personality. Mr Muhammad Tareq Mamat, I am impressed, as you have come forward immediately to adress positively and personaly the shortcomings addressed in my previous letter. My special appreciation for that as well as to your Customer Service Department. Special Thanks and mention also for the special treatment received by Dr. Loh Siew Leong. Wish you and your team good luck in your future endeavours to further and continuesly work on Customers/ Patients well being. Thank you Peter Mueller # 507 What a great unexpected surprise! Thanks for that. Terima kasih dan semoga tuhan merahmati kamu semua❤️

      Attached Images (1)

      Review image 1
      A

      Peragas

      December 15, 2025 at 4:23 PM

      5/5
      Google Review

      DR. LOH SIEW LEONG AND ASSISTANTS. IM WRITING THIS MESSAGE TO THANK DR. LOH FOR HIS COMMITMENT, FAST TREATMENT AND INVOLVEMENT WHILE ATTENDED MY CASE. HE WAS TREAT ME FAST BESIDES HE BE A BRO THROUGHOUT MY HOSPITALIZED AND CHECK UP PERIOD. IM RECOVERED TODAY AND ITS FULLY HIS HIS HANDFUL TREATMENT. THANK YOU DOCTOR AND THE TEAM. 💐💐

      Attached Images (1)

      Review image 1

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      Affiliated Hospitals

      KPJ Sri Manjung Specialist Hospital

      KPJ Sri Manjung Specialist Hospital

      Sitiawan, Malaysia

      5.0
      View Hospital →
      Book Appointment
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      Affiliated Hospitals
      KPJ Sri Manjung Specialist Hospital

      KPJ Sri Manjung Specialist Hospital

      Sitiawan, Malaysia

      5.0
      View Hospital →
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