 A Medical Psychologist is a specialist who holds board certification in Medical Psychology from the American Board of Medical Psychology (www.amphome.org) and approved by the national psychology practitioner association in psychology(www.nappp.org).A specialist in Medical Psychology holds a doctoral degree in one of the clinical specialties in psychology, has done post doctoral graduate or approved didactic training in biomedical and pharmaceutical sciences and physical disease with behavioral and lifestyle components, and has completed a supervised residency providing advanced clinical diagnoses, prescribing or collaborating on medication and psychological treatment interventions in a comprehensive treatment plan, and they have passed one of the acceptable national written examinations, and supplied reviewed work product, and passed an Oral Examination.Medical psychologists are prepared to provide leadership and active roles in primary care and specialty healthcare facilities or consultation services essential for these facilities.