ADN means Associate Degree in Nursing, a two-year degree that qualifies you to sit the NCLEX-RN. BSN means Bachelor of Science in Nursing, a four-year degree (or 12–20 month RN-to-BSN bridge) now preferred by most hospitals. MSN means Master of Science in Nursing, two to three years, and leads to nurse practitioner, CNS, CRNA, nurse midwife, educator, and leadership roles. DNP means Doctor of Nursing Practice, the terminal practice doctorate focused on translating evidence into practice. PhD in Nursing is the research doctorate focused on generating new knowledge.
Nursing degrees compared
| Credential | Full name | Typical length | What it unlocks |
|---|---|---|---|
| CNA | Certified Nursing Assistant | 4–12 weeks | Basic patient care under RN/LPN supervision |
| LPN / LVN | Licensed Practical / Vocational Nurse | 12–18 months | Licensed practical nursing care; NCLEX-PN |
| ADN / ASN | Associate Degree in Nursing | 2 years | Eligibility for NCLEX-RN and RN licensure |
| BSN | Bachelor of Science in Nursing | 4 years, or 12–20 months RN-to-BSN | Magnet-hospital hiring preference, leadership entry, graduate school |
| MSN | Master of Science in Nursing | 2–3 years | NP, CNS, CRNA, CNM, educator, informatics, administration |
| DNP | Doctor of Nursing Practice | 3–4 years post-BSN; 1–2 post-MSN | Terminal practice doctorate; systems leadership, QI, advanced practice |
| PhD | Doctor of Philosophy in Nursing | 4–6 years | Research career, tenure-track faculty, grant-funded science |
| DNS / DNSc | Doctor of Nursing Science | 4–5 years | Research doctorate, largely superseded by the PhD |
ADN vs BSN: which entry route?
Both routes lead to the same NCLEX-RN exam and the same RN license. The differences are practical:
- Time and cost. An ADN is usually two years at a community college and considerably cheaper; a BSN is four years at a university.
- Hiring. Many Magnet-designated and academic medical centers now hire BSN-prepared nurses preferentially, or require completion of a BSN within a set period after hire.
- Curriculum. A BSN adds research, community and public health, informatics, and leadership coursework that an ADN programme covers minimally.
- Progression. Graduate study effectively requires a BSN, though RN-to-MSN bridge programmes exist.
A common, financially sensible path is ADN first, licensure and employment, then an employer-supported RN-to-BSN completed online in 12 to 20 months.
MSN specialty tracks
- Nurse practitioner (NP) — family, adult-gerontology, pediatric, psychiatric-mental health, neonatal, or women's health; diagnoses and manages care, prescribes in all states with varying autonomy.
- Clinical nurse specialist (CNS) — expert practice and systems-level improvement within a specialty population.
- Nurse anesthetist (CRNA) — anesthesia care; now transitioning to doctoral entry.
- Nurse midwife (CNM) — pregnancy, birth, and primary reproductive care.
- Nurse educator — academic and staff-development teaching; see our curriculum development support.
- Nursing informatics and administration — data systems, quality analytics, and executive leadership.
Every MSN track ends in a capstone or scholarly project — the capstone ideas library and MSN mentorship pages cover that stage.
DNP vs PhD: practice doctorate or research doctorate?
| DNP | PhD in Nursing | |
|---|---|---|
| Purpose | Translate existing evidence into practice | Generate new nursing knowledge |
| Culminating work | DNP scholarly project (quality improvement or EBP implementation) | Dissertation with original research |
| Typical roles | Advanced practice, CNO, quality and systems leadership, clinical faculty | Principal investigator, tenure-track faculty, research scientist |
| Funding | Often self- or employer-funded, part-time friendly | Frequently funded via assistantships or training grants |
| Statistics emphasis | Applied measurement and QI methods | Advanced inferential and often multivariate methods |
If you want to change how care is delivered in a system, the DNP fits. If you want to answer questions no one has answered, the PhD fits. Our DNP project ideas and PhD dissertation mentorship pages go deeper on each.
How to write your credentials correctly
The American Nurses Association order is: highest earned degree, licensure, state designations, national certifications, then awards and honors.
- Jane Doe, DNP, APRN, FNP-BC
- Marcus Reed, MSN, RN, CCRN
- Aisha Bello, PhD, RN, FAAN
List only the highest nursing degree unless a second degree in another field is relevant to the role — a BSN is not listed alongside an MSN.
Frequently Asked Questions
Sources & Further Reading
- The Essentials: Core Competencies for Professional Nursing Education. American Association of Colleges of Nursing (AACN).
- How to display nursing credentials. American Nurses Association. Credentialing and certification guidance.