Too busy to go to the PhilHealth office? Learn how to make an authorization letter so your representative can transact with PhilHealth on your behalf.The document contains two sample authorization letters for PhilHealth. The letter should clearly state the full name and identification details of the authorized representative, along with their relationship to you. I, Princess Natalie Rubianes, am writing this letter to authorize Maria Teresa Castañeda to act on my behalf regarding my PhilHealth-related transactions. Need to create your own power of attorney authorization letter? Contained in this article are several examples that you can refer to. I am granting this authorization due to medical reasons. I confirm that all the information. The MDT shall discuss the treatment plan of the patient prior to the preauthorization application for the Z Benefits.