The Opal Health Informatics Group (O-HIG) is a research team based at the Research Institute of the McGill University Health Centre in Montreal, Canada. Founded in 2014, O-HIG focuses on enhancing patient experiences in the Quebec healthcare system through computational techniques. The team emphasizes a patient-centered approach, empowering individuals by providing direct access to their health data and encouraging active participation in their care.

O-HIG is recognized for its development of the Opal patient portal, an award-winning solution that offers real-time access to health information. This user-friendly platform allows patients to view medical records, track health data, and communicate with care teams. The group also engages in research projects that integrate data from wearable devices, facilitating the flow of health information among patients, clinicians, and researchers. O-HIG collaborates with the Quebec SmartCare Consortium and has partnered with the OpenEMR Foundation to enhance interoperability and promote affordable, open-source health IT solutions.