163WR0006X — Registered Nurse First Assistant
163WR0006X is the NUCC provider taxonomy code for Registered Nurse First Assistant, a specialization within Registered Nurse (individual providers). 2,968 providers in our latest NPPES snapshot list it as their primary taxonomy.
| Taxonomy code | 163WR0006X |
|---|---|
| Display name | Registered Nurse First Assistant |
| Grouping | Nursing Service Providers |
| Classification | Registered Nurse |
| Specialization | Registered Nurse First Assistant |
| Section | Individual |
| Directory | Registered Nurse provider directory |
Definition
A perioperative registered nurse who works in collaboration with the surgeon and other health care team members to achieve optimal outcomes. The RNFA has acquired the necessary knowledge, judgment, and skills specific to the expanded role of RNFA clinical practice. Intraoperatively, the RNFA assists the surgeon.
Definition from the NUCC Health Care Provider Taxonomy code set.
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Related taxonomy codes
- 163W00000X — Registered Nurse
- 163WA0400X — Addiction (Substance Use Disorder) Registered Nurse (Registered Nurse)
- 163WA2000X — Administrator Registered Nurse (Registered Nurse)
- 163WP2201X — Ambulatory Care Registered Nurse (Registered Nurse)
- 163WC3500X — Cardiac Rehabilitation Registered Nurse (Registered Nurse)
- 163WC0400X — Case Management Registered Nurse (Registered Nurse)
- 163WC1400X — College Health Registered Nurse (Registered Nurse)
- 163WC1500X — Community Health Registered Nurse (Registered Nurse)
Frequently asked questions
What does taxonomy code 163WR0006X mean?
163WR0006X is the NUCC Health Care Provider Taxonomy code for Registered Nurse First Assistant, a specialization of Registered Nurse in the "Nursing Service Providers" grouping. It classifies individual providers.
Where is the taxonomy code used?
Providers select a taxonomy code when applying for an NPI, and it appears on insurance claims (CMS-1500 box 33b / 837 electronic claims) to identify the provider's classification. Payers may require the taxonomy that matches your credential and license.
How do I find providers with taxonomy 163WR0006X?
Browse the Registered Nurse directory, or use the NPI search and filter by state.
Source: CMS NPPES (public data). Snapshot 2026-07-09.