For your privacy and those you may be contacting IHS on behalf of: DO NOT include Personally Identifiable Information (PII) or Protected Health Information (PHI). Examples of PII and PHI are your phone number, address, health condition, social security number, date of birth (DOB), patient name (if not your own) and patient registration number. PII and PHI are protected by the Health Insurance Portability and Accountability Act and the Privacy Act.