These are the contact numbers for IOM in Makati where she will undergo Tuberculosis screening,

+63917-593-4688
+63917-993-4667

Booking of appoinment is quite easy, they will just ask the personal details of the applicant and also her passport number, tell her to bring her passport when she gets there. They only accept cash payments, (PHP 3,200)

I got my certificate ten to twenty minutes after the xray. (that's for the normal results)