Respiratory Therapist, Certified Taxonomy Code 227800000X
227800000X
Level II - Classification
1,946Registered providers
26.0NUCC version
49States & territories
Definition
A Certified Respiratory Therapist (CRT) is a an entry level therapist who has passed a standardized written examination administered by the National Board for Respiratory Care (NBRC). CRTs provide diagnostic testing, therapeutics, monitoring, rehabilitation, and education to patients with disorders of the cardiopulmonary system. They provide these respiratory care services in all health care facilities and in the home. A CRT is a graduate of an associate degree program approved by the Commission on Accreditation of Allied Health Educational Programs (CAAHEP) and where applicable, is licensed by the state and is practicing within the scope of the license.
Code Details for 227800000X
About Taxonomy Code 227800000X
The taxonomy code 227800000X identifies Respiratory Therapist, Certified within the Respiratory, Developmental, Rehabilitative And Restorative Service Providers provider grouping. It is a Level II — Classification code, which names a provider's occupation or service within the broader provider grouping.
NPI records show 1,946 registered providers whose primary or secondary taxonomy is this code. Of these, 208 (11%) are registered as organizations and 1,738 (89%) as individual providers. The states with the most respiratory therapist, certified providers are California (423), Florida (234), North Carolina (125).
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
1,946Total providers
208Organizations 11%
1,738Individuals 89%
1,084Female
651Male
3Undisclosed
Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-08-02T00:00:00.
View all 1,946 providersRespiratory Therapist, Certified Providers by State
Provider counts by U.S. state and territory. Select a state to open its provider directory.
All states (nationwide)
1,946
Alabama15Alaska24Arizona95Arkansas39California423Colorado19Connecticut4District Of Columbia1Florida234Georgia59Idaho13Illinois47Indiana19Iowa10Kansas19Kentucky9Louisiana18Maine5Maryland24Massachusetts13Michigan20Minnesota20Mississippi20Missouri19Montana4Nebraska4Nevada70New Hampshire5New Jersey29New Mexico10New York49North Carolina125North Dakota2Ohio26Oklahoma24Oregon7Pennsylvania24Puerto Rico20Rhode Island8South Carolina29South Dakota4Tennessee59Texas113Utah9Virginia29Washington40West Virginia3Wisconsin24Wyoming5
Frequently Asked Questions
227800000X questionsNPPES lists 1,946 registered providers with this taxonomy code (Respiratory Therapist, Certified).
Both. About 11% of these providers are registered as organizations and 89% as individuals.
This taxonomy code does not map to a Medicare specialty code in the current crosswalk.
It is a Level II - Classification code in the NUCC Health Care Provider Taxonomy set.
Use the "Providers by state" directory on this page to open the list of respiratory therapist, certified 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.
