National totals
| Active NPI records | 48,495 |
| Registered sole proprietors | 14,504 (29.9%) |
| NUCC taxonomy code | 363LP0808X |
| Grouping | Physician Assistants & Advanced Practice Nursing Providers |
Reading the sole-proprietor share
For this specialty, 14,504 of 48,495 active primary-taxonomy records, or 29.9%, are flagged as sole proprietors. The flag is a self-reported NPPES field and an imperfect proxy for private practice because it does not by itself establish ownership, employment arrangement, independent clinical work, or current activity.
By state
| State | Active NPIs | Sole proprietors | Share |
|---|---|---|---|
| Texas | 3,900 | 1,314 | 33.7% |
| Florida | 3,888 | 1,374 | 35.3% |
| New York | 3,273 | 1,153 | 35.2% |
| California | 2,969 | 1,113 | 37.5% |
| Maryland | 2,528 | 776 | 30.7% |
| Ohio | 1,816 | 529 | 29.1% |
| Arizona | 1,797 | 576 | 32.1% |
| New Jersey | 1,764 | 619 | 35.1% |
| Massachusetts | 1,690 | 487 | 28.8% |
| Washington | 1,523 | 470 | 30.9% |
| Virginia | 1,373 | 390 | 28.4% |
| Pennsylvania | 1,296 | 337 | 26.0% |
| Illinois | 1,283 | 374 | 29.2% |
| Tennessee | 1,242 | 275 | 22.1% |
| North Carolina | 1,167 | 294 | 25.2% |
| Georgia | 1,139 | 395 | 34.7% |
| Colorado | 1,104 | 267 | 24.2% |
| Kentucky | 1,031 | 272 | 26.4% |
| Oregon | 971 | 291 | 30.0% |
| Connecticut | 969 | 251 | 25.9% |
| Minnesota | 866 | 201 | 23.2% |
| Indiana | 763 | 150 | 19.7% |
| Louisiana | 729 | 232 | 31.8% |
| Michigan | 707 | 191 | 27.0% |
| Mississippi | 582 | 152 | 26.1% |
| Missouri | 561 | 115 | 20.5% |
| Iowa | 551 | 91 | 16.5% |
| Nevada | 543 | 186 | 34.3% |
| Utah | 476 | 120 | 25.2% |
| Kansas | 455 | 98 | 21.5% |
| Maine | 437 | 79 | 18.1% |
| Wisconsin | 422 | 80 | 19.0% |
| Alabama | 418 | 102 | 24.4% |
| South Carolina | 415 | 92 | 22.2% |
| Arkansas | 409 | 102 | 24.9% |
| New Mexico | 378 | 108 | 28.6% |
| New Hampshire | 375 | 92 | 24.5% |
| Nebraska | 345 | 94 | 27.2% |
| Idaho | 296 | 92 | 31.1% |
| Oklahoma | 257 | 71 | 27.6% |
| Delaware | 241 | 92 | 38.2% |
| Montana | 238 | 62 | 26.1% |
| Rhode Island | 229 | 67 | 29.3% |
| District of Columbia | 180 | 79 | 43.9% |
| Alaska | 151 | 39 | 25.8% |
| West Virginia | 135 | 16 | 11.9% |
| Hawaii | 123 | 34 | 27.6% |
| Wyoming | 117 | 31 | 26.5% |
| Vermont | 115 | 27 | 23.5% |
| South Dakota | 111 | 21 | 18.9% |
| North Dakota | 108 | 20 | 18.5% |
New NPI registrations by year
| Year first enumerated | NPIs |
|---|---|
| 2017 | 1,468 |
| 2018 | 1,838 |
| 2019 | 2,556 |
| 2020 | 2,992 |
| 2021 | 3,963 |
| 2022 | 4,460 |
| 2023 | 5,764 |
| 2024 | 6,250 |
| 2025 | 7,395 |
| 2026 (partial year) | 196 |
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
- The sole-proprietor field is self-reported by the provider in NPPES and is an imperfect proxy for private practice.
- A sole-proprietor count shown as <11 is suppressed: the true value is below 11, which could include zero.
- Only records using this taxonomy as the primary taxonomy are counted, so providers using it only as a secondary taxonomy are outside the total.
- NUCC has published no official definition for this taxonomy, and administrative NPI data may not reflect current clinical activity or when practice began.
- Providers are counted once, by their primary taxonomy code only.
Common questions
How many Psychiatric/Mental Health Nurse Practitioners are there in the US?
There are 48,495 active NPI records nationally with Psychiatric/Mental Health Nurse Practitioner as the primary taxonomy.
How many Psychiatric/Mental Health Nurse Practitioners are in private practice?
NPPES flags 14,504 records, or 29.9%, as sole proprietors. This is not a direct count of private-practice providers because the field is self-reported and is an imperfect proxy.
Which states have the largest number of Psychiatric/Mental Health Nurse Practitioners?
The largest reported state counts are Texas (3,900), Florida (3,888), New York (3,273), California (2,969), and Maryland (2,528).
Does the NPI count equal the number of practicing Psychiatric/Mental Health Nurse Practitioners?
No. It counts active NPI records with this taxonomy as the primary taxonomy, rather than measuring every aspect of current practice, employment, or clinical activity.
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