eHealth applications can allow patients to view, manage and track their health conditions while also allowing healthcare providers to monitor and update their patients' healthcare information in a timelier manner. There is a need for studies to describe what common ground is needed for eHealth applications to facilitate communication between patients and healthcare providers. This paper proposes the Patient-Healthcare Provider Factors for Communication (PHPFC) model that describes patient and provider eHealth communication factors as well as a set of integrated factors to support development of common ground between the two groups.