Search A vector image of a magnifying glass. Prior Authorization/Clinical Criteria Page with quarterly updates on changes to medical policies, drug formularies, and services requiring prior authorizations./policies/prior-authorization-clinical-criteriaClinical Policies Clinical Policies/clinical-policiesPHP 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