302R00000X — Health Maintenance Organization

302R00000X is the NUCC provider taxonomy code for Health Maintenance Organization (organizations). 4,594 providers in our latest NPPES snapshot list it as their primary taxonomy.

Taxonomy code 302R00000X
Display name Health Maintenance Organization
Grouping Managed Care Organizations
Classification Health Maintenance Organization
Section Non-Individual
Directory Health Maintenance Organization provider directory

Definition

(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.

Definition from the NUCC Health Care Provider Taxonomy code set.

Related taxonomy codes

Frequently asked questions

What does taxonomy code 302R00000X mean?
302R00000X is the NUCC Health Care Provider Taxonomy code for Health Maintenance Organization in the "Managed Care Organizations" grouping. It classifies organizations and non-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 302R00000X?
Browse the Health Maintenance Organization directory, or use the NPI search and filter by state.

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