Registered Nurse Providers — NPI Directory

244,012 active Registered Nurse providers hold an NPI in the latest NPPES snapshot. Registered Nurse falls under the “Nursing Service Providers” taxonomy grouping and spans 56 NUCC taxonomy codes. Browse by state, or look a provider up by name or NPI number.

Registered Nurse by state

Registered Nurse in New York (36,394)
Registered Nurse in California (25,176)
Registered Nurse in Ohio (14,510)
Registered Nurse in Texas (13,667)
Registered Nurse in Washington (9,376)
Registered Nurse in Florida (8,455)
Registered Nurse in Michigan (8,184)
Registered Nurse in Massachusetts (7,886)
Registered Nurse in Pennsylvania (7,780)
Registered Nurse in Wisconsin (7,048)
Registered Nurse in Colorado (6,669)
Registered Nurse in Arizona (6,418)
Registered Nurse in Georgia (5,511)
Registered Nurse in Tennessee (5,378)
Registered Nurse in Minnesota (5,151)
Registered Nurse in Oregon (4,589)
Registered Nurse in Illinois (4,494)
Registered Nurse in Maryland (4,263)
Registered Nurse in North Carolina (3,776)
Registered Nurse in South Carolina (3,757)
Registered Nurse in New Mexico (3,578)
Registered Nurse in New Jersey (3,068)
Registered Nurse in Missouri (2,963)
Registered Nurse in Nevada (2,872)
Registered Nurse in Oklahoma (2,620)
Registered Nurse in Indiana (2,619)
Registered Nurse in Virginia (2,582)
Registered Nurse in Alabama (2,171)
Registered Nurse in Nebraska (2,126)
Registered Nurse in Louisiana (2,019)
Registered Nurse in West Virginia (2,005)
Registered Nurse in Delaware (1,924)
Registered Nurse in Kansas (1,854)
Registered Nurse in Utah (1,799)
Registered Nurse in Alaska (1,643)
Registered Nurse in Arkansas (1,633)
Registered Nurse in Kentucky (1,607)
Registered Nurse in Hawaii (1,473)
Registered Nurse in Iowa (1,403)
Registered Nurse in Rhode Island (1,300)
Registered Nurse in South Dakota (1,256)
Registered Nurse in North Dakota (1,229)
Registered Nurse in Puerto Rico (1,218)
Registered Nurse in Connecticut (1,217)
Registered Nurse in District of Columbia (1,181)
Registered Nurse in Mississippi (1,093)
Registered Nurse in Maine (1,050)
Registered Nurse in Montana (836)
Registered Nurse in New Hampshire (795)
Registered Nurse in Idaho (719)
Registered Nurse in Wyoming (636)

Taxonomy codes for Registered Nurse

163W00000X — Registered Nurse (146,696 providers)
163WA0400X — Addiction (Substance Use Disorder) Registered Nurse (2,627 providers)
163WA2000X — Administrator Registered Nurse (2,391 providers)
163WP2201X — Ambulatory Care Registered Nurse (3,286 providers)
163WC3500X — Cardiac Rehabilitation Registered Nurse (200 providers)
163WC0400X — Case Management Registered Nurse (5,682 providers)
163WC1400X — College Health Registered Nurse (323 providers)
163WC1500X — Community Health Registered Nurse (7,473 providers)
163WC2100X — Continence Care Registered Nurse (35 providers)
163WC1600X — Continuing Education/Staff Development Registered Nurse (415 providers)
163WC0200X — Critical Care Medicine Registered Nurse (4,144 providers)
163WD0400X — Diabetes Educator Registered Nurse (2,296 providers)
163WD1100X — Peritoneal Dialysis Registered Nurse (91 providers)
163WE0003X — Emergency Registered Nurse (3,487 providers)
163WE0900X — Enterostomal Therapy Registered Nurse (73 providers)
163WF0300X — Flight Registered Nurse (74 providers)
163WG0100X — Gastroenterology Registered Nurse (358 providers)
163WG0000X — General Practice Registered Nurse (4,686 providers)
163WG0600X — Gerontology Registered Nurse (637 providers)
163WH0500X — Hemodialysis Registered Nurse (202 providers)
163WH0200X — Home Health Registered Nurse (10,317 providers)
163WH1000X — Hospice Registered Nurse (503 providers)
163WI0600X — Infection Control Registered Nurse (289 providers)
163WI0500X — Infusion Therapy Registered Nurse (917 providers)
163WL0100X — Lactation Consultant (Registered Nurse) (4,443 providers)
163WM0102X — Maternal Newborn Registered Nurse (642 providers)
163WM0705X — Medical-Surgical Registered Nurse (3,037 providers)
163WN0002X — Neonatal Intensive Care Registered Nurse (515 providers)
163WN0003X — Low-Risk Neonatal Registered Nurse (26 providers)
163WN0300X — Nephrology Registered Nurse (114 providers)
163WN0800X — Neuroscience Registered Nurse (223 providers)
163WM1400X — Nurse Massage Therapist (NMT) (250 providers)
163WN1003X — Nutrition Support Registered Nurse (118 providers)
163WX0002X — High-Risk Obstetric Registered Nurse (133 providers)
163WX0003X — Inpatient Obstetric Registered Nurse (476 providers)
163WX0106X — Occupational Health Registered Nurse (364 providers)
163WX0200X — Oncology Registered Nurse (740 providers)
163WX1100X — Ophthalmic Registered Nurse (26 providers)
163WX0800X — Orthopedic Registered Nurse (230 providers)
163WX1500X — Ostomy Care Registered Nurse (34 providers)
163WX0601X — Otorhinolaryngology & Head-Neck Registered Nurse (35 providers)
163WP0000X — Pain Management Registered Nurse (182 providers)
163WP0218X — Pediatric Oncology Registered Nurse (84 providers)
163WP0200X — Pediatric Registered Nurse (2,253 providers)
163WP1700X — Perinatal Registered Nurse (156 providers)
163WS0121X — Plastic Surgery Registered Nurse (139 providers)
163WP0808X — Psychiatric/Mental Health Registered Nurse (10,772 providers)
163WP0809X — Adult Psychiatric/Mental Health Registered Nurse (4,516 providers)
163WP0807X — Child & Adolescent Psychiatric/Mental Health Registered Nurse (1,343 providers)
163WR0006X — Registered Nurse First Assistant (2,968 providers)
163WR0400X — Rehabilitation Registered Nurse (380 providers)
163WR1000X — Reproductive Endocrinology/Infertility Registered Nurse (49 providers)
163WS0200X — School Registered Nurse (10,899 providers)
163WU0100X — Urology Registered Nurse (79 providers)
163WW0101X — Ambulatory Women's Health Care Registered Nurse (776 providers)
163WW0000X — Wound Care Registered Nurse (808 providers)

Frequently asked questions

How do I find a Registered Nurse provider's NPI number?

Search by name with the NPI search, or browse by state below. Every profile shows the provider's NPI, taxonomy code, practice address, and NPPES status.

What taxonomy codes does Registered Nurse use?

Registered Nurse covers 56 NUCC taxonomy codes, including 163W00000X (Registered Nurse). Each code page explains when it applies.

How many Registered Nurse providers are there in the U.S.?

Our latest NPPES snapshot lists 244,012 active providers with Registered Nurse as their primary taxonomy.

Source: CMS NPPES (public data). Snapshot 2026-07-09.