Dr. Nicodemus Ong, MD Board-Certified Specialist in Internal Medicine, Gastroenterology, and Hepatology Dr. Nicodemus Ong is a distinguished board-certified physician in the Philippines, specializing in Internal Medicine with a focus on gastrointestinal and liver diseases. He earned his medical degree from the prestigious University of Santo Tomas (UST) and pursued specialty training in Internal Medicine at Cardinal Santos Medical Center (CSMC)—one of the country’s leading institutions. During his time at CSMC, he managed a broad spectrum of adult diseases, from routine cases to urgent and life-threatening conditions. Further advancing his expertise, Dr. Ong completed his fellowship training in Gastroenterology at St. Luke's Medical Center - Quezon City, where he honed his skills in diagnosing and treating disorders of the liver, pancreas, stomach, intestines, and colon. His training equipped him with proficiency in diagnostic and therapeutic endoscopic procedures, including gastroscopy, colonoscopy, and paracentesis. At the tail end of the 2020 COVID-19 pandemic, Dr. Ong expanded his training internationally, traveling to Toronto General Hospital—ranked among the world’s top medical institutions (Newsweek 2025, Top 3 in the World). There, he specialized in Liver Transplantation and Clinical Hepatology, gaining invaluable experience in managing complex liver transplant cases. During his tenure, he was directly involved in the care of over 200 liver transplant patients under the guidance of the expert team at Ajmera Transplant Center. Under the mentorship of Dr. Florence Wong, one of the world's leading experts in portal hypertension, acute kidney injury, and acute-on-chronic liver failure, Dr. Ong deepened his expertise in managing critical liver conditions as well as the rare liver diseases. Beyond his medical practice, Dr. Ong is a strong advocate for nutrition and holistic wellness. He firmly believes that optimal health begins with mindful nutrition and is further enhanced through exercise and intentional lifestyle choices. His approach to medicine integrates both clinical excellence and preventive health strategies, empowering patients to make informed decisions for their long-term well-being.
Internal Medicine - Gastroenterology
10 Years
Clinical Hepatology
Gastroenterology
Transplant Hepatology
In-Person
Online
Choose from 3 available clinics
(Using NowServing app)
Monday to Saturday
10:00 AM - 05:00 PM
Accepted Health Cards
MediCard,Fee: P 1200 - 1500
120 Mc Arthur Highway, Marulas, Valenzuela City
Wednesday
11:00 AM - 02:00 PM
(Walk-In and Appointment)
Saturday
03:00 PM - 05:00 PM
(Walk-In and Appointment)
Accepted Health Cards
AsianCare, AVEGA & 19 other...Fee: P 1200 - 1500
279 E. Rodriguez Sr. Boulevard, Quezon City
Monday
02:00 PM - 04:00 PM
(Walk-In and Appointment)
Thursday
03:00 PM - 05:00 PM
(Walk-In and Appointment)
Saturday
11:00 AM - 02:00 PM
(Walk-In and Appointment)
Accepted Health Cards
AsianCare, AVEGA & 19 other...Fee: P 1200 - 1500