A doctorate in nursing is the highest academic degree in the nursing profession, and it comes in two distinct forms: the Doctor of Nursing Practice (DNP), which is a clinical practice degree, and the PhD in Nursing, which is a research degree. Which one you pursue depends on whether your long-term goals center on leading patient care and health systems or on conducting original scientific research.
Two Degrees, Two Different Purposes
The DNP prepares nurses for leadership in clinical and administrative settings. Students learn to apply existing research to real-world problems, focusing on evidence-based practice, quality improvement, and systems leadership. Graduates work as advanced practice clinicians, hospital administrators, and health care executives.
The PhD in Nursing prepares nurse scientists. Students design and conduct original research, develop nursing theory, and publish findings in scholarly journals. Graduates typically hold positions in academic institutions or research organizations, often leading research teams and teaching the next generation of nurses.
The simplest way to think about the split: DNP graduates translate research into better patient care, while PhD graduates create the research in the first place.
What You Study in a DNP Program
DNP curricula build on master’s-level education with deeper coursework in evidence-based practice, quality improvement, health policy, and organizational leadership. The American Association of Colleges of Nursing (AACN) sets curriculum standards through its Essentials document, which outlines the competencies every DNP graduate should have. Most programs also require practice hours, though the exact number has shifted over time. AACN originally required 1,000 post-baccalaureate practice hours, then revised that figure to 500, while a separate national task force increased its direct patient care requirement to 750 hours.
Students choose a clinical specialty track. Common options include family nurse practitioner, adult-gerontology nurse practitioner (in both primary and acute care), psychiatric-mental health nurse practitioner, pediatric nurse practitioner, nurse anesthesia, nurse-midwifery, women’s health nurse practitioner, and health systems leadership. Some programs also offer a “no new specialty” track for nurses who already hold advanced practice certification and want to add doctoral-level skills without changing their clinical focus.
Instead of a traditional dissertation, DNP candidates complete a scholarly project. This is a practice-focused effort that takes existing evidence and applies it to solve a specific problem in a health care setting. Projects typically fall into categories like quality improvement, integration of evidence-based practice, or health policy analysis. The goal is tangible impact on care delivery, not the generation of new scientific knowledge.
What You Study in a PhD Program
A PhD in Nursing is built around original research from start to finish. Coursework covers research methodology, statistical analysis, theory development, and a deep dive into a chosen area of nursing science. Students also gain mentored teaching experience, which is not required in most DNP programs.
The centerpiece of the degree is the dissertation. At the University of Pennsylvania, for example, the dissertation must “demonstrate a high level of analytical and research competence and represent an original contribution to the field of nursing science.” Students begin forming their research topic early in the program and refine it through coursework and faculty collaboration. The dissertation topic is expected to connect with the research expertise of at least two faculty members.
Before writing the dissertation, students pass a candidacy examination. This involves a written proposal covering the research problem, relevant literature, and methodology, followed by a two-hour oral defense before an examining committee. Only after passing this exam does a student advance to official candidacy and begin the dissertation research itself. Three dissertation formats are generally available, and the best choice depends on whether the student is doing quantitative, qualitative, or mixed-methods work.
How Long Each Degree Takes
For the DNP, the timeline depends on where you’re starting. Nurses entering with a bachelor’s degree (BSN) typically need three to four years of full-time study. Those who already hold a master’s degree (MSN) can often finish in one to two years, since practice hours accumulated during their master’s program may count toward the DNP requirement.
PhD programs generally take four to six years, with much of the back half devoted to dissertation research. The timeline varies widely depending on the complexity of the research, funding, and whether students attend full time.
There are also two common pathways into the DNP: a single-step BSN-to-DNP route and a two-step path where nurses first complete an MSN and later return for the DNP. Both remain widely available.
Accreditation and Program Quality
DNP programs are accredited by the Commission on Collegiate Nursing Education (CCNE), which is the specialized accreditor affiliated with AACN. Research doctorates like the PhD are not eligible for CCNE accreditation, which is standard practice across professions where specialized accreditors focus on clinical and professional degrees rather than research degrees. PhD programs are instead evaluated through institutional accreditation and internal university review.
Certain specialty tracks within a DNP program carry additional accreditation. Nurse anesthesia tracks are accredited by the Council on Accreditation of Nurse Anesthesia Educational Programs, and nurse-midwifery tracks by the Accreditation Commission for Midwifery Education. When choosing a program, verifying these accreditations matters because they affect your eligibility for national certification exams.
Career Paths and Salary Expectations
DNP graduates move into a wide range of roles. Nurse practitioners in clinical practice earn a median annual salary of about $129,480, according to the Bureau of Labor Statistics (May 2023 data). Those who move into executive positions can earn considerably more: chief nursing officers average roughly $155,800 per year, and directors of nursing average around $108,675. Clinical nurse educators, who train staff and students in health care settings, earn approximately $103,900. Some DNP holders work in health policy, where salaries for community health policy advocates average about $154,500.
PhD graduates typically pursue academic faculty positions, where they teach, mentor doctoral students, and run funded research programs. Others work at research institutes, government agencies like the National Institutes of Health, or in health care organizations that maintain dedicated research divisions. Salary data for PhD-holding nurse scientists is less standardized because it depends heavily on the setting, grant funding, and academic rank.
The Push Toward Doctoral-Level Practice
In 2004, AACN endorsed a position that the DNP should become the entry-level degree for advanced practice registered nurses (APRNs), with a target of transitioning all master’s-level APRN programs to the DNP by 2015. That deadline came and went. While the number of DNP programs has grown significantly and steadily, fewer than a quarter of schools with APRN programs had fully made the switch by the time researchers evaluated progress. Many schools now offer both MSN and DNP pathways, and full adoption of the DNP as the sole entry point for advanced practice will likely remain incomplete unless certifying and accrediting bodies formally require it.
For prospective students, this means the MSN is still a viable and widely accepted credential for advanced practice roles. But the trend is clearly moving toward doctoral preparation, and holding a DNP may offer a competitive edge in hiring, leadership opportunities, and long-term career flexibility.