Monthakan Ratnarathorn, MD, QME, is a licensed Orthopedic Surgeon who is available for PQMEs, AMEs or Independent Medical Evaluations (IMEs) at several locations throughout California.


Monthakan Ratnarathorn, MD, QME, is a board-certified Orthopedic Surgeon who practices primarily in Los Angeles. She received an Bachelor of Science degree in biology from the Massachusetts Institute of Technology and earned a Doctor of Medicine degree from the Boston University School of Medicine. Dr. Ratnarathorn completed an internship in general surgery at University of Hawaii Integrated Surgery, a residency in orthopedic surgery at the Charles R. Drew University of Medicine and Science, and a fellowship in pediatric orthopedic surgery at Orthopedic Institute for Children, Los Angeles.

Dr. Ratnarathorn is the orthopedic surgeon for US Healthworks Medical Group and for Comp Health. She is a fellow member of the American Academy of Orthopedic Surgeons and Pediatric Orthopedic Society of North America. Dr. Ratnarathorn is medically licensed in Arizona, California, Montana, Nevada, and New Mexico.