Search A vector image of a magnifying glass. Clinical Policies Clinical Policies /clinical-policies Prior Authorization/Clinical Criteria Page with quarterly updates on changes to medical policies, drug formularies, and services requiring prior authorizations. /policies/prior-authorization-clinical-criteria PHP at a Glance We would like to take this opportunity to welcome you and your staff to our participating provider network. PHP offers many online tools to assist you, find out more! /providers/php-at-a-glance