Email Users Please Note: Due to HIPAA email encryption and authentication standards, Network 5 is not permitted to send or receive patient-specific data (names, Social Security numbers, DOB, etc.) via email. Please do not send patient-specific data to Network 5 via this website or email. We are required to report all instances to the Centers for Medicare & Medicaid Services (CMS). As always, please use phone, fax, or regular mail for communications containing patient-specific identifiers. Thank you for your understanding and cooperation.