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Registered Nurse Providers - NPI Directory
Active Registered Nurse providers 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.
246,743
providers with an NPI
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Registered Nurse by state
New York 36,652 California 25,500 Ohio 14,546 Texas 13,892 Washington 9,469 Florida 8,579 Michigan 8,336 Massachusetts 7,956 Pennsylvania 7,848 Wisconsin 7,135 Colorado 6,724 Arizona 6,460 … 39 more states below …
All states, A-Z
| State | Providers |
|---|---|
| Registered Nurse in Alabama | 2,199 |
| Registered Nurse in Alaska | 1,650 |
| Registered Nurse in Arizona | 6,460 |
| Registered Nurse in Arkansas | 1,693 |
| Registered Nurse in California | 25,500 |
| Registered Nurse in Colorado | 6,724 |
| Registered Nurse in Connecticut | 1,235 |
| Registered Nurse in Delaware | 1,925 |
| Registered Nurse in District of Columbia | 1,279 |
| Registered Nurse in Florida | 8,579 |
| Registered Nurse in Georgia | 5,581 |
| Registered Nurse in Hawaii | 1,484 |
| Registered Nurse in Idaho | 743 |
| Registered Nurse in Illinois | 4,580 |
| Registered Nurse in Indiana | 2,668 |
| Registered Nurse in Iowa | 1,423 |
| Registered Nurse in Kansas | 1,870 |
| Registered Nurse in Kentucky | 1,634 |
| Registered Nurse in Louisiana | 2,014 |
| Registered Nurse in Maine | 1,061 |
| Registered Nurse in Maryland | 4,290 |
| Registered Nurse in Massachusetts | 7,956 |
| Registered Nurse in Michigan | 8,336 |
| Registered Nurse in Minnesota | 5,247 |
| Registered Nurse in Mississippi | 1,121 |
| Registered Nurse in Missouri | 2,992 |
| State | Providers |
|---|---|
| Registered Nurse in Montana | 868 |
| Registered Nurse in Nebraska | 2,149 |
| Registered Nurse in Nevada | 2,934 |
| Registered Nurse in New Hampshire | 798 |
| Registered Nurse in New Jersey | 3,092 |
| Registered Nurse in New Mexico | 3,595 |
| Registered Nurse in New York | 36,652 |
| Registered Nurse in North Carolina | 3,859 |
| Registered Nurse in North Dakota | 1,239 |
| Registered Nurse in Ohio | 14,546 |
| Registered Nurse in Oklahoma | 2,620 |
| Registered Nurse in Oregon | 4,626 |
| Registered Nurse in Pennsylvania | 7,848 |
| Registered Nurse in Puerto Rico | 1,232 |
| Registered Nurse in Rhode Island | 1,306 |
| Registered Nurse in South Carolina | 3,768 |
| Registered Nurse in South Dakota | 1,259 |
| Registered Nurse in Tennessee | 5,421 |
| Registered Nurse in Texas | 13,892 |
| Registered Nurse in Utah | 1,834 |
| Registered Nurse in Virginia | 2,641 |
| Registered Nurse in Washington | 9,469 |
| Registered Nurse in West Virginia | 2,027 |
| Registered Nurse in Wisconsin | 7,135 |
| Registered Nurse in Wyoming | 642 |
Taxonomy codes for Registered Nurse
163W00000X Registered Nurse 148,448 163WA0400X Addiction (Substance Use Disorder) Registered Nurse 2,641 163WA2000X Administrator Registered Nurse 2,424 163WP2201X Ambulatory Care Registered Nurse 3,325 163WC3500X Cardiac Rehabilitation Registered Nurse 202 163WC0400X Case Management Registered Nurse 5,718 163WC1400X College Health Registered Nurse 326 163WC1500X Community Health Registered Nurse 7,501 163WC2100X Continence Care Registered Nurse 36 163WC1600X Continuing Education/Staff Development Registered Nurse 430 163WC0200X Critical Care Medicine Registered Nurse 4,209 163WD0400X Diabetes Educator Registered Nurse 2,305 163WD1100X Peritoneal Dialysis Registered Nurse 89 163WE0003X Emergency Registered Nurse 3,605 163WE0900X Enterostomal Therapy Registered Nurse 73 163WF0300X Flight Registered Nurse 78 163WG0100X Gastroenterology Registered Nurse 365 163WG0000X General Practice Registered Nurse 4,739 163WG0600X Gerontology Registered Nurse 644 163WH0500X Hemodialysis Registered Nurse 202 163WH0200X Home Health Registered Nurse 10,397 163WH1000X Hospice Registered Nurse 514 163WI0600X Infection Control Registered Nurse 295 163WI0500X Infusion Therapy Registered Nurse 938 163WL0100X Lactation Consultant (Registered Nurse) 4,530 163WM0102X Maternal Newborn Registered Nurse 664 163WM0705X Medical-Surgical Registered Nurse 3,079 163WN0002X Neonatal Intensive Care Registered Nurse 522 163WN0003X Low-Risk Neonatal Registered Nurse 27 163WN0300X Nephrology Registered Nurse 113 163WN0800X Neuroscience Registered Nurse 229 163WM1400X Nurse Massage Therapist (NMT) 274 163WN1003X Nutrition Support Registered Nurse 120 163WX0002X High-Risk Obstetric Registered Nurse 137 163WX0003X Inpatient Obstetric Registered Nurse 482 163WX0106X Occupational Health Registered Nurse 368 163WX0200X Oncology Registered Nurse 779 163WX1100X Ophthalmic Registered Nurse 26 163WX0800X Orthopedic Registered Nurse 231 163WX1500X Ostomy Care Registered Nurse 33 163WX0601X Otorhinolaryngology & Head-Neck Registered Nurse 35 163WP0000X Pain Management Registered Nurse 181 163WP0218X Pediatric Oncology Registered Nurse 86 163WP0200X Pediatric Registered Nurse 2,273 163WP1700X Perinatal Registered Nurse 158 163WS0121X Plastic Surgery Registered Nurse 142 163WP0808X Psychiatric/Mental Health Registered Nurse 10,815 163WP0809X Adult Psychiatric/Mental Health Registered Nurse 4,522 163WP0807X Child & Adolescent Psychiatric/Mental Health Registered Nurse 1,343 163WR0006X Registered Nurse First Assistant 2,980 163WR0400X Rehabilitation Registered Nurse 387 163WR1000X Reproductive Endocrinology/Infertility Registered Nurse 49 163WS0200X School Registered Nurse 10,969 163WU0100X Urology Registered Nurse 79 163WW0101X Ambulatory Women's Health Care Registered Nurse 788 163WW0000X Wound Care Registered Nurse 818
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 246,743 active providers with Registered Nurse as their primary taxonomy.
Source: CMS NPPES (public data). Snapshot 2026-07-13.