Here is a link to a recent video by the Filipina Pea regarding health care and PhilHealth. She states that PhilHealth only covers $10 per day for the hospital room. Some expats keep PhilHealth because they know they will be treated and released from the hospital. The Filipina Pea HEALTHCARE In The Philippines (Is It Good Enough?)
Sounds about right, I was in a private room at SUMC for two days, cost about P20k I paid about P10k. That was last March. (Dengue)