Dr. Amornmarn is a graduate of Siriraj Medical School in Bangkok, Thailand. She completed her internship in Internal Medicine at Siriraj Medical School Hospital. Her residency and fellowships in Radiology and Oncology were completed at Johns Hopkins hospital in Baltimore, Maryland. Dr. Amornmarn is board certified in Radiology. She served as a tenured associate professor of Radiation Oncology at the University of Florida Health Science Center in Jacksonville. She is a member of the American Society of Therapeutic Radiology and Oncology.