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.

Dr. Eric Gan Keng Seng

General Surgery

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Dr. Eric Gan Keng Seng

General Surgery specialist · Gastric cancer, Oesophageal cancer, Gastroesophageal reflux disease (GERD)

Eric Gan Surgery

FRCS — Fellow of the Royal College of Surgeons of EdinburghICS — Fellow of the International College of Surgeons

Farrer Park Hospital · Singapore, Singapore · ≈1h 50m direct from Jakarta

20 years treating patients

Speaks Malay, 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 Farrer Park 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. Eric

Dr. Eric treats Gastric cancer, Oesophageal cancer, Gastroesophageal reflux disease (GERD).

Dr. Eric Gan Keng Seng is a general surgeon with more than 20 years of experience in surgery. He is trained in surgical oncology with and subspecialises in upper gastrointestinal surgery, hepatobiliary surgery and gastric cancer. He has significant experience and subspecialty training in radical surgery and systematic, extended lymphadenectomy for gastric & oesophageal cancer. Today, his clinical practice includes a diverse range of abdominal and digestive tract surgery. Dr. Gan has a strong interest in minimally invasive (‘keyhole’) surgery and performs a wide array of gastrointestinal and abdominal operations using advanced laparoscopic techniques. In addition, he was involved in the bariatric (weight loss) surgery programme at the National University Hospital, helping grossly overweight individuals lose weight through gastric surgery. Dr. Gan’s specialty interests are in gastric & oesophageal cancer surgery, surgery for GERD, bariatric surgery, laparoscopic hernia surgery and laparoscopic GI surgery. MBBS — Bachelor of Medicine and Bachelor of Surgery, National University of Singapore, 1991 Master of Medicine (Surgery) — National University of Singapore FRCS — Fellow of the Royal College of Surgeons of Edinburgh Fellowship — Oesophageal & Gastric Cancer Surgery, National Cancer Centre Tsukiji Tokyo, Japan Fellowship — Oesophageal & Gastric Cancer Surgery, Omiya Medical Centre Saitama, Japan Fellowship — Hepatobiliary Surgery Research Fellowship, Memorial Sloan Kettering Cancer Center, USA

Conditions Treated

Gastric cancerOesophageal cancerGastroesophageal reflux disease (GERD)Obesity requiring bariatric surgeryHerniasUpper gastrointestinal diseasesHepatobiliary cancers

Procedure Focus

Radical gastric and oesophageal cancer surgery with lymphadenectomy
laparoscopic gastrointestinal surgery
bariatric/metabolic surgery
laparoscopic hernia repair
advanced minimally invasive GI surgery

Credentials

MBBS — Bachelor of Medicine and Bachelor of Surgery, National University of Singapore, 1991
FRCS — Fellow of the Royal College of Surgeons of Edinburgh
ICS — Fellow of the International College of Surgeons

Where Dr. Eric practises.

4.2/5(820)

Farrer Park Hospital

JCICollege of American Pathologists (CAP)

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

Modern integrated healthcare facility combining hospital and specialist medical services in a smart hospital-hotel environment, offering personalised care, advanced technology, and holistic treatment.

Known for

Integrated hospital with 200+ specialist medical center · 220-bed acute care facility with advanced surgical suites · Comprehensive executive health screening programs · Direct MRT access for convenient outpatient services

Languages

Bahasa Indonesia · Chinese · English

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

View Hospital

Paying with insurance?

Farrer Park Hospital, where Dr. Eric practises, takes direct billing from these insurers. Medifly checks your policy and handles the claim for you.

Great EasternHSBC LifeNTUCPrudentialSinglife

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. Eric 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.

Dr. Eric Gan Keng Seng

General Surgery

Dr. Eric Gan Keng Seng

General Surgery specialist · Gastric cancer, Oesophageal cancer, Gastroesophageal reflux disease (GERD)

Eric Gan Surgery

FRCS — Fellow of the Royal College of Surgeons of EdinburghICS — Fellow of the International College of Surgeons

Farrer Park Hospital · Singapore, Singapore · ≈1h 50m direct from Jakarta

20 years treating patients

Speaks Malay, Hokkien, English

Profile verified with the hospital

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

About Dr. Eric

Dr. Eric treats Gastric cancer, Oesophageal cancer, Gastroesophageal reflux disease (GERD).

Where Dr. Eric practises.

4.2/5(820)

Farrer Park Hospital

JCICollege of American Pathologists (CAP)

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

Known for

Languages

Bahasa Indonesia · Chinese · English

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

View Hospital

Paying with insurance?

Farrer Park Hospital, where Dr. Eric practises, takes direct billing from these insurers. Medifly checks your policy and handles the claim for you.

Great EasternHSBC LifeNTUCPrudentialSinglife

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.

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.