2279P4000X — Patient Transport Registered Respiratory Therapist

2279P4000X is the NUCC provider taxonomy code for Patient Transport Registered Respiratory Therapist, a specialization within Respiratory Therapist, Registered (individual providers). 36 providers in our latest NPPES snapshot list it as their primary taxonomy.

Taxonomy code	2279P4000X
Display name	Patient Transport Registered Respiratory Therapist
Grouping	Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Classification	Respiratory Therapist, Registered
Specialization	Patient Transport
Section	Individual
Directory	Respiratory Therapist, Registered provider directory

Definition

Transport respiratory therapist provide patient assessment, initiation of treatment modalities and continued monitoring of patient status of the critically ill and injured patients with special attention to advanced airway and ventilator management. The transport respiratory therapist knowledge and experience with complex neonatal, pediatric and adult patient care issues provides them with an expertise to assist with any patient care issue in a variety of transport modes.

Definition from the NUCC Health Care Provider Taxonomy code set.

Related taxonomy codes

227900000X — Registered Respiratory Therapist
2279C0205X — Critical Care Registered Respiratory Therapist (Respiratory Therapist, Registered)
2279E1000X — Educational Registered Respiratory Therapist (Respiratory Therapist, Registered)
2279E0002X — Emergency Care Registered Respiratory Therapist (Respiratory Therapist, Registered)
2279G1100X — General Care Registered Respiratory Therapist (Respiratory Therapist, Registered)
2279G0305X — Geriatric Care Registered Respiratory Therapist (Respiratory Therapist, Registered)
2279H0200X — Home Health Registered Respiratory Therapist (Respiratory Therapist, Registered)
2279P3900X — Neonatal/Pediatric Registered Respiratory Therapist (Respiratory Therapist, Registered)

Frequently asked questions

What does taxonomy code 2279P4000X mean?

2279P4000X is the NUCC Health Care Provider Taxonomy code for Patient Transport Registered Respiratory Therapist, a specialization of Respiratory Therapist, Registered in the "Respiratory, Developmental, Rehabilitative and Restorative 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 2279P4000X?

Browse the Respiratory Therapist, Registered directory, or use the NPI search and filter by state.

Source: CMS NPPES (public data). Snapshot 2026-07-09.