The party who requests it. If an IME is requested by the insurer, then it's the insurer who foots the bill. If an individual decides to sponsor their own IME, then it is he or she that must pay for it. Psychiatry is a branch of medicine which deals with the identification and treatment of mental illness. Psychology is the science of understanding, interpreting, and classifying the various aspects of human behavior.
Clinical psychology is psychology practiced by a licensed professional with a Ph.D. or Psy.
D. in psychology. The field of clinical psychology has developed and standardized a host of procedures and practices to detect, evaluate, and treat abnormal behavioral conditions and mental disorders. Neuropsychology is a highly specialized discipline within the field of psychology. The science of neuropsychology focuses on cognition, i.e., the ability of the mind and brain to think, reason, remember, learn, comprehend, etc. Clinical neuropsychology is practiced by a licensed psychologist specializing in neuropsychology.