Dr. Esther Alimboyao Sy, MD

Dr. Esther Sy is a family medicine physician who has dedicated 37 years to caring for patients of all ages. She earned her medical degree from the University of Santo Tomas Faculty of Medicine and Surgery and completed her residency training at the University of Illinois College of Medicine at Rockford. Her extensive experience spans nearly four decades of comprehensive family care. Dr. Sy is fluent in both Spanish and English, allowing her to serve diverse communities with personalized attention.

Dr. Sy practices at multiple locations throughout Rockford, Illinois, including Swedish American Hospital, UW Health Hospital, and OSF Saint Anthony Medical Center. She specializes in treating common respiratory conditions such as upper respiratory infections and breathing problems, with particular expertise in managing frequent infections in children. Her practice offers convenient diagnostic services including COVID-19 testing, rapid strep tests, and flu testing to provide quick answers …when patients need them most. Patients consistently rate Dr. Sy with a perfect 5.0 average rating on Vitals.