Health Maintenance Organization Taxonomy Code 302R00000X
(1) A form of health insurance in which its members prepay a premium for the HMO's health services which generally include inpatient and ambulatory care. For the patient, an HMO means reduced out-of-pocket costs (i.e. no deductible), no paperwork (i.e. insurance forms), and only a small copayment for each office visit to cover the paperwork handled by the HMO; (2) A organization of health care personnel and facilities that provides a comprehensive range of health services to an enrolled population for a fixed sum of money paid in advance for a specified period of time. These health services include a wide variety of medical treatments and consults, inpatient and outpatient hospitalization, home health service, ambulance service, and sometimes dental and pharmacy services. The HMO may be organized as a group model, an individual practice association (IPA), a network model or a staff model.
Code Details for 302R00000X
About Taxonomy Code 302R00000X
The taxonomy code 302R00000X identifies Health Maintenance Organization within the Managed Care Organizations 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 5,435 registered providers whose primary or secondary taxonomy is this code. Of these, 5,060 (93%) are registered as organizations and 375 (7%) as individual providers. The states with the most health maintenance organization providers are California (937), Florida (807), Texas (360).
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
Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-07-12T00:00:00.
View all 5,435 providersHealth Maintenance Organization Providers by State
Provider counts by U.S. state and territory. Select a state to open its provider directory.
Frequently Asked Questions
302R00000X questionsNPPES lists 5,435 registered providers with this taxonomy code (Health Maintenance Organization).
Both. About 93% of these providers are registered as organizations and 7% 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 health maintenance organization 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.