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Adult Health Nurse Practitioner: how many are there, and how many are in private practice?

Adult Health Nurse Practitioners are advanced practice nursing providers who care for adults across a range of clinical settings. The NUCC taxonomy places this specialty in the Physician Assistants & Advanced Practice Nursing Providers grouping, although NUCC publishes no official definition for the classification. This page shows its active US NPI footprint, state distribution, sole-proprietor share, and recent NPI enumeration patterns.

National totals

Active NPI records30,909
Registered sole proprietors6,474 (20.9%)
NUCC taxonomy code363LA2200X
GroupingPhysician Assistants & Advanced Practice Nursing Providers

Reading the sole-proprietor share

For Adult Health Nurse Practitioner records, the 20.9% sole-proprietor share means that 6,474 active records are flagged that way in NPPES. The flag is a self-reported NPPES field and an imperfect proxy for private practice, so it may not fully reflect ownership, employment, or practice arrangements.

By state

StateActive NPIsSole proprietorsShare
New York5,5891,61028.8%
Florida2,97879126.6%
New Jersey1,65851731.2%
Ohio1,50224916.6%
California1,48836624.6%
Massachusetts1,44923816.4%
Pennsylvania1,36619814.5%
Texas1,19725821.6%
North Carolina95913113.7%
Maryland92915817.0%
Michigan82016420.0%
Illinois80715719.5%
Georgia76717422.7%
Missouri74010814.6%
Connecticut5919415.9%
Virginia5878614.7%
Minnesota5636511.5%
Tennessee5407714.3%
Arizona53110119.0%
Indiana5116111.9%
Colorado5117314.3%
Washington4837515.5%
Wisconsin4095112.5%
South Carolina3925614.3%
Alabama3855915.3%
Oregon3205517.2%
Louisiana2695721.2%
Kentucky2584718.2%
Kansas2073818.4%
New Hampshire172158.7%
Arkansas1672816.8%
Rhode Island1532516.3%
Nevada1463221.9%
Oklahoma1463020.5%
Iowa137<11not reported
Maine132129.1%
Mississippi1252620.8%
District of Columbia1082220.4%
Vermont1061413.2%
Nebraska911516.5%
Utah882326.1%
Hawaii822328.0%
New Mexico811619.8%
Delaware791822.8%
Montana561221.4%
Idaho54<11not reported
West Virginia46<11not reported
Alaska43<11not reported
North Dakota28<11not reported
South Dakota22<11not reported
Wyoming17<11not reported

New NPI registrations by year

Year first enumeratedNPIs
20171,229
20181,128
20191,095
2020991
20211,051
2022938
2023887
2024791
2025803
2026 (partial year)18

Counts reflect the year each NPI was first issued, among records still active today. The final year is partial: this data covers through 2026-01-11.

Data notes

Source: CMS National Plan and Provider Enumeration System (NPPES) Data Dissemination file, FOIA-disclosable public data under CMS-6060-N. Aggregated by Hero EMR on 2026-08-03; deactivated NPIs excluded; specialty assigned from the primary taxonomy code (NUCC 25.1). Counts below 11 are suppressed. Individual providers are never published. All provider data pages.

Common questions

How many Adult Health Nurse Practitioners are there in the US?

There are 30,909 active NPI records nationally with Adult Health Nurse Practitioner as the primary taxonomy. This is a count of qualifying NPI records, not a direct measure of patient-care volume.

How many Adult Health Nurse Practitioners are in private practice?

A total of 6,474 records, or 20.9%, are flagged as sole proprietors in NPPES. This flag is not a definitive count of providers who own or operate a private practice.

Which states have the most Adult Health Nurse Practitioners?

The largest state counts are in New York with 5,589, Florida with 2,978, New Jersey with 1,658, Ohio with 1,502, and California with 1,488.

How many Adult Health Nurse Practitioner NPIs were first enumerated in recent years?

NPIs first enumerated numbered 791 in 2024, 803 in 2025, and 18 in 2026.

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