Keralty Megaclinic Seals Partnership with Brgy. Wack-Wack Greenhills East Due to the efforts of Dr. Melanie Siapno, Keralty Megaclinic’s Operations Director, together with Chief Medical Officer Dr. German Sanchez, and the leadership of Ms. Margarita O. Tan Climaco, Punong Barangay of Brgy. Wack-Wack Greenhills East, the Partnership Agreement for comprehensive