How can Medifly.Ai help me?

Medifly.Ai assists you through every step of your medical journey — from finding the right doctor to estimating costs, planning your stay, and arranging travel details. Our in-house doctors also explain your treatment options in plain language, while all clinical decisions stay with your treating physician. We make medical trips simpler, smarter, and stress-free.

How do I schedule an appointment or treatment?

You can click the "Book" button on our website to schedule an appointment or treatment with your chosen doctor. Our team will take care of the rest of the process based on your needs.

Is virtual consultation available before traveling?

Absolutely. We offer a free consultation with our in-house doctor before you decide to travel, so you have a clear picture of your condition and treatment plan before making the trip.

Is consultation available in multiple languages?

Yes, consultations are available in multiple languages so you can communicate comfortably and clearly understand your condition and treatment plan.

Khoo Kei Siong

Oncology

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Dr. Khoo Kei Siong

Oncology specialist

Breast

Fellowship · Member of the Royal College of Physicians of London, UK

Mount Elizabeth Novena Hospital · Singapore, Singapore · ≈1h 50m direct from Jakarta

Speaks Mandarin, Teochew, Hokkien, English

Profile verified with the hospital

Asking is free and commits you to nothing, just a WhatsApp chat. A doctor replies in minutes.

First time here? Medifly is a doctor-led service for surgery and complex treatment abroad, an official partner of Mount Elizabeth Novena Hospital. Our doctors guide you from first question to home again.

Free for you. Partner hospitals pay usThe same price the hospital charges, not moreA medical team beside you, door to door

About Dr. Khoo

Dr Khoo Kei Siong is a cancer specialist at Mount Elizabeth Hospitals and Gleneagles Hospital, Singapore. He is the deputy medical director at Parkway Cancer Centre, specialising in breast cancer and gynaecological cancers. Dr Khoo received advanced training in breast cancer at the Memorial Sloan Kettering Cancer Centre in New York. Before starting private practice, Dr Khoo was a senior consultant and head of the department of medical oncology at the National Cancer Centre (NCC). He was the founding director of the division of clinical trials and epidemiological sciences, and was instrumental in setting up the clinical trials capabilities in NCC. Dr Khoo is a member of the American Society of Clinical Oncology and the European Society of Medical Oncology. He was president of the Singapore Society of Oncology from 1998 – 2000. Dr Khoo Kei Siong previously served as the assistant master of administrative affairs in the council of the Academy of Medicine, Singapore from 2015 to 2020. He also sits on the medicine advisory committee in the Health Sciences Authority as its deputy chairman.

Credentials

Bachelor of Medicine, Bachelor of Surgery, National University of Singapore
Master of Medicine (Internal Medicine), National University of Singapore
Fellowship · Member of the Royal College of Physicians of London, UK
Fellowship · Fellow of the Royal College Of Physicians of Edinburgh, UK
Fellowship · Fellow of the Academy of Medicine, Singapore (Medical Oncology)

Where Dr. Khoo practises.

3.6/5(529)

Mount Elizabeth Novena Hospital

RTACRCPAMOH (Singapore)IASIOSISO 900 2000CAP

Singapore, Singapore · ≈1h 50m direct from Jakarta

Known for

Patients needing advanced cancer treatment · Cardiac and neurological care seekers · Medical travelers desiring luxury experience

Languages

Khmer · Mandarin · Arabic · Bahasa Indonesia · Hindi · Vietnamese · Burmese · English · Bengali · Bahasa Indonesia interpreter available

If our doctors recommend Dr. Khoo for your case, we arrange the appointment, your travel, and someone beside you at the hospital. You pay Mount Elizabeth Novena Hospital's own price, not more.

View Hospital

Paying with insurance?

Medifly checks your policy and handles the claim for you.

Cashless where your policy allows, we arrange direct billingWe check your coverage before you commit to anythingNo insurance? You get the full price up front, no surprises

Frequently Asked Questions

Our medical team reviews your case and recommends the doctor best suited to your condition, needs, and preferences — so you don't have to search on your own.

It starts with one message.

Free and confidential · a doctor reads every message

How Medifly works.

Tell us what’s wrong

Symptoms, history, and what you’ve been told so far.

Our doctors study your case

Which specialist and which hospital give you the best chance.

Our doctors recommend the specialist

By call, video or in person, they explain the recommendation until the decision is clear.

We take it from here

Hospital, flights, travel. Where appropriate, we come with you.

Is Dr. Khoo right for your case? Tell us what's wrong. If they're not the right doctor for you, we'll say so, and find who is.