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Urology Physician: how many are there, and how many are in private practice?

Urology physicians manage medical and surgical conditions affecting the urinary and reproductive systems, including benign and malignant disease, and conditions involving the adrenal gland. This page uses the NPPES National Provider Identifier (NPI) registry to show the specialty's US footprint, including active primary-taxonomy records and the share with a sole-proprietor flag. It also summarizes state distribution and NPIs first enumerated in recent full years.

National totals

Active NPI records17,852
Registered sole proprietors2,374 (13.3%)
NUCC taxonomy code208800000X
GroupingAllopathic & Osteopathic Physicians

What this specialty covers

A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.

Reading the sole-proprietor share

For Urology Physician records, 2,374 of 17,852 active primary-taxonomy NPIs, or 13.3%, carry the sole-proprietor designation. This is a self-reported NPPES field, so it is an imperfect proxy for private practice and does not fully describe group ownership, employment, or other practice arrangements.

By state

StateActive NPIsSole proprietorsShare
California1,81033718.6%
Florida1,47020814.1%
New York1,35723517.3%
Texas1,14314812.9%
Pennsylvania83010712.9%
Illinois7047811.1%
North Carolina6676710.0%
Ohio6558513.0%
Michigan555539.5%
New Jersey5397714.3%
Georgia5376812.7%
Massachusetts4375913.5%
Virginia435419.4%
Maryland3925113.0%
Washington3814311.3%
Arizona3693710.0%
Tennessee3594211.7%
Indiana3353410.1%
Minnesota319226.9%
Colorado3113110.0%
Missouri300237.7%
South Carolina2963110.5%
Louisiana2794716.8%
Wisconsin278155.4%
Alabama2373213.5%
Kentucky2352410.2%
Oregon2142411.2%
Connecticut2092612.4%
Oklahoma182137.1%
Kansas1512013.2%
Mississippi141128.5%
Iowa138<11not reported
Arkansas1362316.9%
Utah1261814.3%
West Virginia1101513.6%
Nevada921314.1%
Nebraska901213.3%
New Hampshire79<11not reported
New Mexico771114.3%
Rhode Island761114.5%
Idaho751621.3%
Maine74<11not reported
Hawaii74<11not reported
Montana641523.4%
District of Columbia581627.6%
South Dakota57<11not reported
Delaware50<11not reported
Vermont49<11not reported
Alaska40<11not reported
North Dakota31<11not reported
Wyoming27<11not reported

New NPI registrations by year

Year first enumeratedNPIs
2016369
2017392
2018373
2019383
2020299
2021207
2022198
2023182
2024239
2025229

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 urologists are there in the US?

There are 17,852 active NPI records nationally with Urology Physician as the primary taxonomy. This is a count of records, not necessarily a count of unique practicing physicians.

How many urologists are in private practice?

NPPES flags 2,374 records, or 13.3%, as sole proprietors. That share is an imperfect proxy for private practice because the flag is self-reported and does not capture every ownership or employment arrangement.

Which states have the most urology physicians?

The largest state counts shown are California with 1,810 records, Florida with 1,470, and New York with 1,357. These are counts of NPI records associated with the specialty.

How many new urology physicians are there each year?

NPIs first enumerated in the listed recent full years numbered 182 in 2023, 239 in 2024, and 229 in 2025. First enumeration does not necessarily mean a new physician entered practice or that the specialty grew by that amount.

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