Dr. Allan Lim Ong, MD

Dr. Allan Ong is an internal medicine physician who specializes in hospital medicine, bringing 27 years of experience to his practice. He earned his medical degree from the University of the Philippines Manila College of Medicine and completed his residency training at Mercy Hospital and Medical Center. His extensive background has equipped him with deep expertise in caring for hospitalized patients with complex medical conditions. Dr. Ong provides care in English.

Dr. Ong practices at OSF Saint Anthony Medical Center in Rockford, Illinois, where he focuses on treating critically ill patients. He has particular expertise in managing sepsis and respiratory failure, conditions that require immediate and specialized attention. His procedural skills include performing therapeutic hypothermia and ordering essential diagnostic tests such as complete blood counts and chemistry panels to monitor patient health and guide treatment decisions.