National Board of Physician Nutrition Specialists About Us How to Get Certified MD Directory Given the prevalence of nutritionally related chronic diseases in American society physicians must play a leadership role in educating the public on the relationship of diet to disease and incorporating best practice nutrition therapy in the prevention and treatment of disease. Upcoming deadline for examination applications April 16 2025 Testing period May 17 May 31 2025 More information and application The National Board of Physician Nutrition Specialists NBPNS maintains credentialing standards for assessment and certification of physicians seeking recognition as a Physician Nutrition Specialist PNS. Certification as a Diplomate of the NBPNS signifies a physician as having achieved a high level of competency and understanding in scientifically sound evidencedbased medical nutrition. Exam Overview The National Board of Physician Nutrition Specialists NBPNS exam covers a broad range of nutrition related topics including in depth knowledge of the fundamentals of nutrition cardiometabolic disease obesity knowledge of nutrition throughout the lifecycle nutrition and disease nutrition support for both the inpatient and outpatient setting.