The Certified in Public Health exam, administered by the NBPHE, assesses professional competency across ten distinct public health domains. It covers topics ranging from data analytics and informatics to health equity, social justice, and program management. This certification validates the expertise of public health practitioners who work to improve population health outcomes through evidence-based practice, policy development, and community engagement strategies. Candidates demonstrate their ability to apply core public health principles to address community health issues effectively. The exam consists of 200 questions that evaluate the integration of theory and practice across the field.
This certification is intended for public health professionals, including epidemiologists, health educators, sanitarians, and policy analysts. Candidates should possess practical experience in applying public health principles to address community health issues, manage programs, or conduct research within diverse public health settings to improve population outcomes.
Review the official NBPHE content outline to understand the weight of each domain. Utilize the provided reference lists and job task analysis reports to identify key concepts. Practice applying public health frameworks to real-world scenarios, as the exam tests the integration of theory and practice. Ensure familiarity with the ten public health services and their application to current health issues. Candidates should allocate sufficient time to master the core competencies defined in the official handbook to prepare for the 240-minute testing session.
This domain focuses on the systematic collection, management, and interpretation of public health data to inform decision-making and identify emerging health trends within diverse populations to support the implementation of effective public health interventions and strategies.
This section covers the strategies for effectively communicating complex public health information to diverse audiences, stakeholders, and the general public to ensure clear understanding and promote healthy behaviors across various community settings and public health environments.
This domain addresses the skills required to lead public health initiatives, manage organizational resources effectively, and foster collaborative environments that drive successful outcomes for public health programs and community health projects within various public health organizations.
This section examines the legal and ethical frameworks that guide public health practice, ensuring that practitioners protect population safety while upholding human rights and maintaining integrity in all public health decision-making processes and regulatory compliance efforts.
This domain focuses on evidence-based interventions designed to prevent disease and injury at the population level, including the investigation of outbreaks and the implementation of strategies to reduce health risks in communities through surveillance and prevention.
This section covers the development of sustainable partnerships with community groups and stakeholders to solve public health problems, emphasizing the importance of collaboration and collective action to improve overall community health outcomes and foster long-term engagement.
This domain addresses the systematic planning, implementation, and evaluation of public health programs to ensure they meet community needs, achieve desired health outcomes, and demonstrate accountability through performance monitoring and assessment of various public health initiatives.
This section focuses on the management of public health programs and the strategic allocation of resources to ensure efficient service delivery and the long-term sustainability of initiatives aimed at improving population health status and organizational operational efficiency.
This domain covers the processes involved in developing public health policies and advocating for health-promoting regulations that address systemic issues and improve the health and well-being of the entire population through legislative analysis and advocacy strategies.
This section examines the role of health equity and social justice in addressing health disparities, ensuring that vulnerable populations receive equitable care and that public health efforts promote fairness across all social groups and diverse community settings.
Arrive prepared for a 240-minute testing session. Manage your time effectively across the 200 questions, ensuring you address all ten domains. Review the NBPHE candidate handbook for specific instructions regarding the online proctoring process and scheduling requirements to ensure a smooth testing experience.
The CPH exam consists of 200 questions that cover the ten defined domains of public health practice, requiring candidates to demonstrate knowledge across all areas of the field during the testing session.
The passing score for the CPH exam is 500 out of a total possible score of 800, reflecting the standard of professional competency required for this certification in the public health sector.
Candidates are allotted a total of 240 minutes to complete the 200 questions on the exam, allowing sufficient time to carefully review and answer each item during the scheduled testing session.
For information regarding the certification path or any updates to the program, please check with NBPHE for the current and accurate guidance available to all prospective candidates seeking this professional credential.
Verified 2026-09-14
This editorial was developed by synthesizing official NBPHE candidate handbooks, job task analysis reports, and public health literature to provide a factual overview of the CPH certification requirements for all prospective candidates.