Aww I feel you, ang hirap talaga maghanap ng good pediatrician na malapit lang, lalo na when baby has tummy issues! Have you tried asking sa mommy groups in Marikina or Antipolo Facebook pages, or even sa your OB's clinic kasi sometimes sila may referrals na malapit sa inyo, marami ring nagtitiwala sa word-of-mouth recommendations from other moms sa same area. Good luck, mama, hope mahanap ninyo agad!