The plain OpenStreetMap web site isn’t very user friendly. Have you tried Organic Maps? It’s an OSM app for Android and iOS. It’s probably the most user friendly OSM app right now.
It would be great if they obtained patient consent to analyze their medical records. In case you don’t know, in every state, if you get cancer, your medical records are taken without your consent and submitted to state and federal cancer registries, and identifiable medical records can be shared with researchers without your consent.