Personal health records (PHRs) combine patient data, knowledge, and software tools to help patients actively participate in their own care. PHRs can be standalone systems maintained by patients, tethered to access institutional records, or interoperable across multiple systems. While 75% of consumers want online access to medical records and test results, current PHR utilization in the US is only around 2-3% due to barriers like difficulty finding and using PHR systems and a lack of valuable clinical content beyond data storage. Health systems that have integrated robust PHR portals into their electronic medical record systems have seen much higher adoption rates, up to 34% in some cases, demonstrating that ease of access and useful functions are key to