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Health Maintenance Organization Providers - NPI Directory

Active Health Maintenance Organization providers in the latest NPPES snapshot. Health Maintenance Organization falls under the “Managed Care Organizations” taxonomy grouping and spans 1 NUCC taxonomy code. Browse by state, or look a provider up by name or NPI number.

4,594 providers with an NPI

Health Maintenance Organization by state

California 840 Florida 713 New York 310 Texas 284 Puerto Rico 188 Illinois 159 Michigan 147 Georgia 128 North Carolina 113 Maryland 102 Louisiana 98 Virginia 96 … 39 more states below …

Active Health Maintenance Organization providers by primary practice state, latest NPPES snapshot.

All states, A-Z

State	Providers
Health Maintenance Organization in Alabama	25
Health Maintenance Organization in Alaska	9
Health Maintenance Organization in Arizona	68
Health Maintenance Organization in Arkansas	28
Health Maintenance Organization in California	840
Health Maintenance Organization in Colorado	78
Health Maintenance Organization in Connecticut	24
Health Maintenance Organization in Delaware	8
Health Maintenance Organization in District of Columbia	16
Health Maintenance Organization in Florida	713
Health Maintenance Organization in Georgia	128
Health Maintenance Organization in Hawaii	22
Health Maintenance Organization in Idaho	12
Health Maintenance Organization in Illinois	159
Health Maintenance Organization in Indiana	33
Health Maintenance Organization in Iowa	9
Health Maintenance Organization in Kansas	20
Health Maintenance Organization in Kentucky	18
Health Maintenance Organization in Louisiana	98
Health Maintenance Organization in Maine	12
Health Maintenance Organization in Maryland	102
Health Maintenance Organization in Massachusetts	83
Health Maintenance Organization in Michigan	147
Health Maintenance Organization in Minnesota	73
Health Maintenance Organization in Mississippi	18
Health Maintenance Organization in Missouri	78

State	Providers
Health Maintenance Organization in Montana	11
Health Maintenance Organization in Nebraska	5
Health Maintenance Organization in Nevada	69
Health Maintenance Organization in New Hampshire	9
Health Maintenance Organization in New Jersey	84
Health Maintenance Organization in New Mexico	38
Health Maintenance Organization in New York	310
Health Maintenance Organization in North Carolina	113
Health Maintenance Organization in North Dakota	5
Health Maintenance Organization in Ohio	72
Health Maintenance Organization in Oklahoma	52
Health Maintenance Organization in Oregon	91
Health Maintenance Organization in Pennsylvania	71
Health Maintenance Organization in Puerto Rico	188
Health Maintenance Organization in Rhode Island	4
Health Maintenance Organization in South Carolina	38
Health Maintenance Organization in South Dakota	5
Health Maintenance Organization in Tennessee	47
Health Maintenance Organization in Texas	284
Health Maintenance Organization in Utah	30
Health Maintenance Organization in Vermont	3
Health Maintenance Organization in Virginia	96
Health Maintenance Organization in Washington	68
Health Maintenance Organization in West Virginia	9
Health Maintenance Organization in Wisconsin	57

Taxonomy codes for Health Maintenance Organization

302R00000X Health Maintenance Organization 4,594

Frequently asked questions

How do I find a Health Maintenance Organization provider's NPI number?

Search by name with the NPI search, or browse by state below. Every profile shows the provider's NPI, taxonomy code, practice address, and NPPES status.

What taxonomy codes does Health Maintenance Organization use?

Health Maintenance Organization covers 1 NUCC taxonomy code, including 302R00000X (Health Maintenance Organization). Each code page explains when it applies.

How many Health Maintenance Organization providers are there in the U.S.?

Our latest NPPES snapshot lists 4,594 active providers with Health Maintenance Organization as their primary taxonomy.

Source: CMS NPPES (public data). Snapshot 2026-07-13.