Updated July 22, 2018 Here are the locations of Philhealth branches in Bulacan, Nueva Ecija and Aurora Region III-B In Region III-B, the Philhealth Regional Office is in Malolos, Bulacan. The Cabanas Mall of Malolos 2nd and 3rd floors N4 Bldg. Km. 44/45 MacArthur Highway Longos, Malolos City, Bulacan (044) 796-1559 / (044) 796-1560 loc.