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      Dr Jennifer Leong Siew Mooi

      Oncology
      ⭐3.4(7 reviews)
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      3. Dr Jennifer Leong Siew Mooi
      Dr Jennifer Leong Siew Mooi

      Dr Jennifer Leong Siew Mooi

      Oncology

      19 years experience
      ·
      3.4 (7 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
      Doctor Schedule
      Dr Jennifer Leong Siew Mooi's availability schedule and exceptions

      Patient Reviews

      3.4
      7 reviews
      A

      Anonymous

      January 13, 2026 at 9:52 AM

      1/5

      This review's content is private. Rating and reviewer information are displayed.

      A

      Anonymous

      January 13, 2026 at 5:56 AM

      1/5

      This review's content is private. Rating and reviewer information are displayed.

      A

      sandymiao

      November 28, 2025 at 11:28 AM

      5/5
      Google Review

      Been seeing doctors and nurses since surgery last year, they've all been a huge help to help me get through my illness and surgery. Thanks to my doctors Dr.Margaret, Dr.Teoh, Dr.Jeffrey & Dr.Jennifer, without them I wouldn't be able to write this review. Thanks to all the nurses from CCU, A&E and normal ward, they took good care of me during my admission. Special thanks to Yong, Kak Ika, Kak Su, Kak Siti, Ain and other nurses at Tower A 5th floor for their constant kindness and support. The doctors and nurses encouraged me alot and gave many information for me and my husband to deal with after treatment & surgery care. I can't say I'd love to go back to the hospital 😅 But SunMed would definitely be my first choice.

      A

      W T

      November 1, 2025 at 9:09 AM

      2/5
      Google Review

      Review content available on Google

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      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

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      Affiliated Hospitals

      Sunway Medical Centre

      Sunway Medical Centre

      Subang Jaya, Malaysia

      4.8
      View Hospital →
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      Affiliated Hospitals
      Sunway Medical Centre

      Sunway Medical Centre

      Subang Jaya, Malaysia

      4.8
      View Hospital →
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