Psychiatric Unit Taxonomy Code 273R00000X

273R00000X Level II - Classification
2,941Registered providers
A0[7]Medicare specialty
25.1NUCC version
53States & territories
Definition

In general, a distinct unit of a hospital that provides acute or long-term care to emotionally disturbed patients, including patients admitted for diagnosis and those admitted for treatment of psychiatric problems on the basis of physicians' orders and approved nursing care plans. Long-term care may include intensive supervision to the chronically mentally ill, mentally disordered or other mentally incompetent persons; (2) For Medicare, a distinct part of a general acute care hospital admitting only patients whose admission to the unit is required for active treatment, whose treatment is of an intensity that can be provided only in an inpatient hospital setting, and whose condition is described by a psychiatric principal diagnosis contained in the Third Edition of the American Psychiatric Association Diagnostic and Statistical Manual or in Chapter 5 (Mental Disorders) of the International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM). The unit must furnish, through the use of qualified personnel, psychological services, social work services, psychiatric nursing, occupational therapy, and recreational therapy. The unit must maintain medical records that permit determination of the degree and intensity of treatment provided to individuals who are furnished services in the unit; the unit must meet special staff requirements in that the unit must have adequate numbers of qualified professional and supportive staff to evaluate inpatients, formulate written, individualized, comprehensive treatment plans, provide active treatment measures and engage in discharge planning.

Code Details for 273R00000X

ClassificationPsychiatric Unit
Code levelLevel II - Classification
Last updatedJanuary 01, 2026
Notes / sourceSource: (1) AHA Annual Survey p. A10 1996 AHA Guide; (2) Code of Federal Regulations #42, Section 412.27.

About Taxonomy Code 273R00000X

The taxonomy code 273R00000X identifies Psychiatric Unit within the Hospital Units 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 2,941 registered providers whose primary or secondary taxonomy is this code. Of these, 2,835 (96%) are registered as organizations and 106 (4%) as individual providers. The states with the most psychiatric unit providers are California (277), New York (208), Pennsylvania (190). For Medicare enrollment, it crosswalks to specialty code A0[7].

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

2,941Total providers
2,835Organizations 96%
106Individuals 4%
56Female
50Male

Among individual providers:

Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-06-28T00:00:00.

View all 2,941 providers

Psychiatric Unit Providers by State

Provider counts by U.S. state and territory. Select a state to open its provider directory.

Frequently Asked Questions

NPPES lists 2,941 registered providers with this taxonomy code (Psychiatric Unit).

Both. About 96% of these providers are registered as organizations and 4% as individuals.

It crosswalks to Medicare specialty code A0[7].

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 psychiatric unit providers registered in any U.S. state.

Source: National Uniform Claim Committee (NUCC) Health Care Provider Taxonomy code set, Version 25.1. Provider counts from NPPES. See nucc.org.