Dr Voranaddha Vacharathit , she studied at both Harvard and Vanderbilt Universities just did my umbilical hernia repair at Chula Hospital . You will have to see her thru the after hours clinic at the hospital - floor 6th in the building behind the main building , Total cost was 77000 baht all inclusive , http://chulasurgery.md.chula.ac.th/teams/อ-พญ-วรณัฐา-วัชราทิตย์/?fbclid=IwAR00v6bsy7uS_hHyAzV0iR9AJkWF-AX1ynI9WEl96V1eo2MBpglO6j6vnhY