This is within their legal rights in most cases. Review privacy policies of websites you visit prior to submitting any information you wish to keep private. Be wary of free questionnaires and health calculators, as this information can easily be combined with a user profile that you submit to a site. Keep your passwords protected, and do not share your accounts with family or friends. Consider using a firewall for your network connection, encryption for your e-mail, multiple aliases when filling out user profile forms, and tools that allow you to navigate the World Wide Web anonymously.
Patients can search for physicians in their area using a variety of search options.