163W00000X
Registered Nurse Lactation Consultant Taxonomy Code 163WL0100X
163WL0100X
Level III - Area of Specialization
5,663Registered providers
26.0NUCC version
53States & territories
Definition
No official NUCC definition is published for this code.
Code Details for 163WL0100X
About Taxonomy Code 163WL0100X
The taxonomy code 163WL0100X identifies Registered Nurse Lactation Consultant 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 5,663 registered providers whose primary or secondary taxonomy is this code. Of these, 783 (14%) are registered as organizations and 4,880 (86%) as individual providers. The states with the most registered nurse lactation consultant providers are California (575), Texas (407), New York (304).
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
5,663Total providers
783Organizations 14%
4,880Individuals 86%
4,857Female
7Male
16Undisclosed
Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-07-12T00:00:00.
View all 5,663 providersRegistered Nurse Lactation Consultant Providers by State
Provider counts by U.S. state and territory. Select a state to open its provider directory.
All states (nationwide)
5,663
Alabama81Alaska15Arizona144Arkansas23California575Colorado111Connecticut70Delaware34District Of Columbia23Florida260Georgia142Guam1Hawaii44Idaho40Illinois228Indiana82Iowa32Kansas53Kentucky44Louisiana62Maine22Maryland171Massachusetts149Michigan105Minnesota63Mississippi18Missouri102Montana18Nebraska51Nevada28New Hampshire33New Jersey163New Mexico37New York304North Carolina197North Dakota10Ohio122Oklahoma148Oregon99Pennsylvania172Rhode Island32South Carolina54South Dakota14Tennessee122Texas407Utah48Vermont49Virgin Islands3Virginia214Washington158West Virginia18Wisconsin60Wyoming6
Frequently Asked Questions
163WL0100X questionsNPPES lists 5,663 registered providers with this taxonomy code (Registered Nurse Lactation Consultant).
Both. About 14% of these providers are registered as organizations and 86% 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 lactation consultant 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.
