163W00000X
Registered Nurse Maternal Newborn Taxonomy Code 163WM0102X
163WM0102X
Level III - Area of Specialization
1,382Registered providers
26.0NUCC version
52States & territories
Definition
No official NUCC definition is published for this code.
Code Details for 163WM0102X
About Taxonomy Code 163WM0102X
The taxonomy code 163WM0102X identifies Registered Nurse Maternal Newborn 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 1,382 registered providers whose primary or secondary taxonomy is this code. Of these, 83 (6%) are registered as organizations and 1,299 (94%) as individual providers. The states with the most registered nurse maternal newborn providers are California (169), Texas (79), New York (77).
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
1,382Total providers
83Organizations 6%
1,299Individuals 94%
1,281Female
11Male
7Undisclosed
Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-07-12T00:00:00.
View all 1,382 providersRegistered Nurse Maternal Newborn Providers by State
Provider counts by U.S. state and territory. Select a state to open its provider directory.
All states (nationwide)
1,382
Alabama5Alaska11Arizona59Arkansas3California169Colorado44Connecticut20Delaware19District Of Columbia2Florida50Georgia57Hawaii4Idaho6Illinois24Indiana22Iowa9Kansas5Kentucky9Louisiana15Maine1Maryland27Massachusetts46Michigan38Minnesota17Mississippi3Missouri8Montana7Nebraska1Nevada4New Hampshire4New Jersey22New Mexico14New York77North Carolina29Ohio35Oklahoma13Oregon38Pennsylvania57Puerto Rico3Rhode Island7South Carolina23South Dakota5Tennessee17Texas79Utah23Vermont2Virgin Islands1Virginia22Washington72West Virginia2Wisconsin18Wyoming3
Frequently Asked Questions
163WM0102X questionsNPPES lists 1,382 registered providers with this taxonomy code (Registered Nurse Maternal Newborn).
Both. About 6% of these providers are registered as organizations and 94% 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 maternal newborn 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.
