163W00000X
Registered Nurse Obstetric, High-Risk Taxonomy Code 163WX0002X
163WX0002X
Level III - Area of Specialization
312Registered providers
26.0NUCC version
36States & territories
Definition
No official NUCC definition is published for this code.
Code Details for 163WX0002X
About Taxonomy Code 163WX0002X
The taxonomy code 163WX0002X identifies Registered Nurse Obstetric, High-Risk within the Nursing Service Providers provider grouping. It is a Level III — Area of Specialization code, the most specific tier: it narrows the parent classification to a defined subspecialty.
NPI records show 312 registered providers whose primary or secondary taxonomy is this code. Of these, 13 (4%) are registered as organizations and 299 (96%) as individual providers. The states with the most registered nurse obstetric, high-risk providers are California (40), Arizona (30), Texas (28).
Taxonomy codes are self-selected by the provider based on their education and training; they describe the provider's type and specialty, not the specific services rendered.
Provider Composition & Statistics
312Total providers
13Organizations 4%
299Individuals 96%
290Female
8Male
1Undisclosed
Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-07-12T00:00:00.
View all 312 providersRegistered Nurse Obstetric, High-Risk Providers by State
Provider counts by U.S. state and territory. Select a state to open its provider directory.
All states (nationwide)
312
Alaska1Arizona30California40Colorado7Florida9Georgia12Hawaii2Idaho1Illinois9Indiana6Kansas1Kentucky4Louisiana3Maryland8Massachusetts5Michigan5Minnesota4Missouri4Montana2New Hampshire1New Jersey13New Mexico2New York14North Carolina13Ohio8Oklahoma1Oregon2Rhode Island1South Carolina1Tennessee12Texas28Utah4Virginia3Washington12West Virginia1Wisconsin6
Frequently Asked Questions
163WX0002X questionsNPPES lists 312 registered providers with this taxonomy code (Registered Nurse Obstetric, High-Risk).
Both. About 4% of these providers are registered as organizations and 96% as individuals.
This taxonomy code does not map to a Medicare specialty code in the current crosswalk.
It is a Level III - Area of Specialization code in the NUCC Health Care Provider Taxonomy set. As an area of specialization, it falls under the Registered Nurse classification (parent code 163W00000X).
Use the "Providers by state" directory on this page to open the list of registered nurse obstetric, high-risk providers registered in any U.S. state.
Source: National Uniform Claim Committee (NUCC) Health Care Provider Taxonomy code set, Version 26.0. Provider counts from NPPES. See nucc.org.
