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    Dr Jennifer Leong Siew Mooi

    Oncology
    ⭐4.3(4 reviews)
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    Dr Jennifer Leong Siew Mooi

    Dr Jennifer Leong Siew Mooi

    Oncology

    18 years experience
    ·
    4.3 (4 ratings)

    About Doctor

    Dr. Jennifer Leong Siew Mooi is a Consultant Clinical Oncologist at Sunway Medical Centre in Malaysia, with over 18 years of experience. She obtained her MBBS from the International Medical University (IMU) and her MCO from the University of Malaya (UM). Dr. Leong specializes in treating cancers such as breast, cervical, and ovarian cancer, with a focus on targeted therapy, chemotherapy, and radiotherapy. She is known for her excellent patient care, even receiving an Excellent Service Award in 2019. She is also a member of several professional organizations, including the Malaysian Oncological Society (MOS), the Malaysian Medical Association (MMA), the European Society of Medical Oncology (ESMO), and the European Society for Radiotherapy & Oncology (ESTRO). Dr. Leong is fluent in multiple languages, including English, Bahasa Malaysia, Mandarin, Cantonese, and Hokkien.

    Qualifications

    • MCO (UM)
    • MBBS (IMU)

    Languages Spoken

    English
    Malay
    Mandarin
    Cantonese
    Hokkien
    Indonesian

    Patient Reviews

    4.3
    4 reviews
    A

    W T

    November 1, 2025 at 9:09 AM

    2/5
    Google Review

    Strongly suggest patient who want to seek oncology treatment at this facility looks for second or third opinion. They will SELL FEAR to retain potential customer. It is especially effective to low education persons. When treatment failed, you and your family will never see the specialist Dr. Jennifer again to explain to you what had happened! While medic card still cover the expenses, patient will be let to die in ICU gracefully while undergo screening to squeeze last penny from insurance company. When patient die, family members maybe slapped with months old outstanding bill before body release. Don't be frighten by the staff! Seek for second opinion for your cancer treatment! It's worth the money.

    A

    Aida Abdullah

    November 1, 2025 at 9:09 AM

    5/5
    Google Review

    Perkhidmatan kesihatan swasta yang berkualiti. Barisan petugas kesihatan yang sangat berdedikasi. Tidak ketinggalan juga staff bukan kesihatan seperti Rino yang banyak membantu semasa saya berada di wad. Sangat recommended utk mendapatkan perkhidmatan disiniI came for Orthopaedic Clinic today (22/11/2024) with Dr Lau Choon Ping due to my problem with spine. Dr Lau is my favourite specialist because he always have solution for every problem that I have. He perform laparoscopic spine fusion for me in 2021 and even recommend me to see Dr Jennifer for my cancer treatment. Its been a smooth journey for my treatment here and I recommend everyone to come and get the best treatment here

    Attached Images (1)

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    A

    yuri min

    November 1, 2025 at 9:09 AM

    5/5
    Google Review

    I would say Sunway Medical Centre, esp their cancer treatment centre is one of the best in South East Asia, equipped with top facilities, professional and experienced doctors with high qualifications, and nurses are friendly and caring to the patients. Thank you Dr Jennifer, staff nurse Amanda and all the cute staff nurses for the exceptional care 🫶🏻🫶🏻

    A

    CHEE SENG LAW

    October 16, 2025 at 9:28 AM

    5/5
    Google Review

    Dr. Jennifer Leong - Sunway Medical Cancer Centre Highly recommend Dr. Jennifer and her amazing team! Dr. Jennifer is honestly one of the kindest and most caring doctors I’ve ever met. She really takes the time to listen and explain things clearly — never rushes, never makes you feel like “just another patient.” The way she communicates gives hope, not fear, and that means so much when you’re going through cancer treatment. She’s also very knowledgeable and keeps herself updated through international conferences — you can tell she truly cares about giving her patients the best. Big shoutout to her lovely assistant Wei Chyn too! She’s super helpful, efficient, and always kind whenever I have questions or need help with appointments. Both of them make every visit feel calm, positive, and full of hope. I’m really grateful to have them on my journey. ❤️

    Affiliated Hospitals

    Sunway Medical Centre

    Sunway Medical Centre

    Subang Jaya, Malaysia

    4.3
    View Hospital →
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    Affiliated Hospitals
    Sunway Medical Centre

    Sunway Medical Centre

    Subang Jaya, Malaysia

    4.3
    View Hospital →
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