Dr. Richard Yen, MD is a seasoned anesthesiologist practicing in Fontana, CA, with an impressive career spanning over 39 years in the medical field. He graduated from the University of Miami Leonard M. Miller School of Medicine in 1984. Dr. Yen specializes in Anesthesiology, with extensive expertise in various anesthesia techniques including General Anesthesia, IV Sedation, and Pediatric Anesthesia. He is celebrated by patients and has received praise for being one of the best in the field. Dr....