Health Maintenance Organization Providers — NPI Directory
4,594 active Health Maintenance Organization providers hold an NPI 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.
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Health Maintenance Organization by state
- Health Maintenance Organization in California (840)
- Health Maintenance Organization in Florida (711)
- Health Maintenance Organization in New York (313)
- Health Maintenance Organization in Texas (284)
- Health Maintenance Organization in Puerto Rico (188)
- Health Maintenance Organization in Illinois (160)
- Health Maintenance Organization in Michigan (147)
- Health Maintenance Organization in Georgia (128)
- Health Maintenance Organization in North Carolina (113)
- Health Maintenance Organization in Maryland (102)
- Health Maintenance Organization in Louisiana (98)
- Health Maintenance Organization in Virginia (96)
- Health Maintenance Organization in Oregon (91)
- Health Maintenance Organization in New Jersey (84)
- Health Maintenance Organization in Massachusetts (83)
- Health Maintenance Organization in Colorado (78)
- Health Maintenance Organization in Missouri (78)
- Health Maintenance Organization in Minnesota (73)
- Health Maintenance Organization in Ohio (71)
- Health Maintenance Organization in Pennsylvania (71)
- Health Maintenance Organization in Nevada (69)
- Health Maintenance Organization in Arizona (68)
- Health Maintenance Organization in Washington (68)
- Health Maintenance Organization in Wisconsin (56)
- Health Maintenance Organization in Oklahoma (52)
- Health Maintenance Organization in Tennessee (47)
- Health Maintenance Organization in New Mexico (38)
- Health Maintenance Organization in South Carolina (38)
- Health Maintenance Organization in Indiana (33)
- Health Maintenance Organization in Utah (30)
- Health Maintenance Organization in Arkansas (28)
- Health Maintenance Organization in Alabama (25)
- Health Maintenance Organization in Connecticut (24)
- Health Maintenance Organization in Hawaii (22)
- Health Maintenance Organization in Kansas (20)
- Health Maintenance Organization in Kentucky (18)
- Health Maintenance Organization in Mississippi (18)
- Health Maintenance Organization in District of Columbia (16)
- Health Maintenance Organization in Idaho (12)
- Health Maintenance Organization in Maine (12)
- Health Maintenance Organization in Montana (11)
- Health Maintenance Organization in Alaska (9)
- Health Maintenance Organization in Iowa (9)
- Health Maintenance Organization in New Hampshire (9)
- Health Maintenance Organization in West Virginia (9)
- Health Maintenance Organization in Delaware (8)
- Health Maintenance Organization in North Dakota (5)
- Health Maintenance Organization in Nebraska (5)
- Health Maintenance Organization in South Dakota (5)
- Health Maintenance Organization in Rhode Island (4)
- Health Maintenance Organization in Vermont (3)
Taxonomy codes for Health Maintenance Organization
- 302R00000X — Health Maintenance Organization (4,594 providers)
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 2026-07-09.