As soon as you recieve your visa, it depends what visa he will issue. if a visit visa.. you have to certify it from qatar embassy phils. copy of visa,passport orig.affidavit of support. to be sure.... go to DHL office and ask what is required show them your visa. because the requirement changes everyday.. if they need a medical go to angelus medical centre.

airport: passport, all documents must be on hand.travel tax and terminal fee.