A nurse practitioner (NP) is a registered nurse with advanced graduate training who can diagnose illnesses, order and interpret tests, prescribe medications, and manage treatment plans. In many states, NPs serve as a patient’s primary care provider, handling everything from annual physicals to chronic disease management without physician oversight.
Core Duties of a Nurse Practitioner
NPs perform many of the same clinical tasks people associate with doctors. A typical day can include evaluating patients, ordering blood work or imaging, diagnosing conditions, prescribing medications, and adjusting treatment plans for ongoing health problems. They also provide preventive care like screenings, vaccinations, and lifestyle counseling.
What sets NPs apart from physicians is their training in a nursing model of care, which places heavy emphasis on patient education, health promotion, and disease prevention alongside clinical diagnosis. In practice, this means your NP visit may involve more time spent discussing diet, exercise, stress management, or how a condition affects your daily life. A 2024 Yale study found that care teams with more NPs performed better on health promotion measures like obesity assessment, nutrition counseling, and infant vaccinations, while physician-heavy teams scored higher on diagnostic measures like cancer screening and HIV testing. The two roles complement each other.
NPs manage both straightforward and complex cases. That includes acute problems like infections, sprains, and respiratory illness, along with chronic conditions like diabetes, high blood pressure, asthma, and depression. They coordinate referrals to specialists when a case falls outside their scope.
Where Nurse Practitioners Work
You’ll find NPs in nearly every healthcare setting: primary care offices, hospitals, urgent care clinics, specialty practices, community health centers, nursing homes, school-based clinics, and telehealth platforms. Some run their own independent practices in states that allow it.
The setting affects both the pace of work and compensation. According to Bureau of Labor Statistics data, NPs working in outpatient care centers earned an average of about $134,000 per year, while those in hospitals averaged around $129,000. NPs in home health care services had some of the highest average pay at nearly $149,000. The overall median salary for nurse practitioners was $121,610.
Prescribing Authority
NPs can prescribe medications in all 50 states, including controlled substances like certain pain medications, stimulants, and anti-anxiety drugs. The DEA classifies NPs as mid-level practitioners authorized to prescribe controlled substances under state law. The exact rules vary by state. In some, NPs prescribe completely independently. In others, they need a collaborative agreement with a physician to prescribe certain drug categories.
Eight Common NP Specialties
NPs choose a specialty before starting their graduate program and then work with that specific patient population throughout their career. Mayo Clinic identifies eight main specializations:
- Family nurse practitioner (FNP): treats patients of all ages, the most common and versatile specialty
- Adult-gerontology primary care NP: focuses on adults and older patients in outpatient settings
- Adult-gerontology acute care NP: manages critically ill or hospitalized adult patients
- Pediatric primary care NP: provides routine and preventive care for children
- Pediatric acute care NP: treats children with serious, complex, or emergency conditions
- Psychiatric-mental health NP: diagnoses and treats mental health conditions, can prescribe psychiatric medications
- Neonatal NP: cares for premature or critically ill newborns, typically in hospital NICUs
- Women’s health NP: focuses on reproductive and gynecological care
How NPs Differ From PAs and Doctors
Nurse practitioners and physician assistants (PAs) fill similar roles in clinics and hospitals, but their training takes different paths. NPs are trained in an advanced nursing model with a chosen population focus. Their graduate programs require at least 500 clinical hours. PAs follow a curriculum modeled on medical school, training as medical generalists with approximately 2,000 hours of clinical rotations across multiple disciplines including surgery, emergency medicine, pediatrics, and psychiatry.
Compared to physicians, NPs complete significantly fewer total training hours. A doctor finishes four years of medical school plus three to seven years of residency. However, NPs bring prior nursing experience to the table, since they must work as registered nurses before entering a graduate program. In day-to-day primary care, patients often see NPs and doctors for the same types of visits, and in many states the care is legally equivalent.
State Practice Laws
What an NP can do independently depends heavily on where they practice. States fall into three categories:
- Full practice: NPs can evaluate patients, diagnose, order tests, and prescribe medications, including controlled substances, under their own authority. This is the model recommended by the National Academy of Medicine and the National Council of State Boards of Nursing.
- Reduced practice: State law requires a career-long collaborative agreement with another provider, or it limits at least one element of NP practice.
- Restricted practice: NPs must have career-long supervision, delegation, or team management by a physician to provide patient care.
The trend over the past decade has been toward full practice authority, driven largely by primary care shortages in rural and underserved areas. If you’re seeing an NP, the practical difference between these categories is mostly invisible to you as a patient. The NP handles the regulatory requirements on their end.
Education and Training Requirements
Becoming an NP is a multi-step process. You first earn a Bachelor of Science in Nursing and work as a registered nurse. From there, you enter a graduate program: either a Master of Science in Nursing (MSN), which typically takes two years, or a Doctor of Nursing Practice (DNP), which takes about four years. Both pathways include advanced coursework in pharmacology, pathophysiology, and clinical assessment, plus hundreds of hours of supervised clinical training.
After completing a graduate degree, NPs must pass a national certification exam through the American Nurses Credentialing Center or another specialty board. This certification confirms they’ve met all educational and clinical requirements and qualifies them for an advanced practice registered nurse (APRN) license in their state.
Job Growth and Demand
Nurse practitioner is one of the fastest-growing occupations in the country. The Bureau of Labor Statistics projects 40% job growth between 2024 and 2034, adding roughly 128,400 new positions to the current workforce of about 320,400. That growth rate is several times faster than the average for all occupations. The demand is fueled by an aging population, physician shortages in primary care, expanding state practice laws, and the growing use of NPs in retail clinics and telehealth.