Home / Provider data / Addiction (Substance Use Disorder) Counselor: how many are there, and how many are in private practice?

Addiction (Substance Use Disorder) Counselor: how many are there, and how many are in private practice?

Addiction (Substance Use Disorder) Counselors are classified under NUCC taxonomy 101YA0400X within Behavioral Health & Social Service Providers. This page shows the national number of active NPI records using that taxonomy as their primary classification, the share flagged as sole proprietors, geographic concentration, and recent NPI enumeration counts. NUCC has not published an official definition for this taxonomy.

National totals

Active NPI records117,974
Registered sole proprietors38,151 (32.3%)
NUCC taxonomy code101YA0400X
GroupingBehavioral Health & Social Service Providers

Reading the sole-proprietor share

For this specialty, the sole-proprietor share indicates how many records have the NPPES sole-proprietor field flagged, not how many counselors practice independently or own a private practice. The field is self-reported and may not capture group affiliations, employment arrangements, or changes in practice status, so it is an imperfect proxy for private practice.

By state

StateActive NPIsSole proprietorsShare
California29,14010,16534.9%
Ohio11,3855,01344.0%
New York5,9071,61627.4%
North Carolina5,2321,92236.7%
Washington5,0701,10021.7%
Oregon4,50797521.6%
Texas4,0081,82045.4%
Colorado3,19992328.9%
Michigan3,07291129.7%
Wisconsin3,05765921.6%
Massachusetts2,71289032.8%
Minnesota2,61566325.4%
Pennsylvania2,21166430.0%
Florida2,16782538.1%
New Jersey2,04684441.3%
Illinois1,99960730.4%
Maryland1,82145825.2%
Oklahoma1,64959235.9%
Kentucky1,47738426.0%
Arizona1,35943632.1%
South Carolina1,35028821.3%
Virginia1,26139231.1%
Louisiana1,24841533.3%
Nevada1,21143035.5%
Iowa1,16621618.5%
Indiana1,16138433.1%
Connecticut1,15642236.5%
Georgia1,12341236.7%
Maine1,11231027.9%
Alaska1,09218116.6%
Nebraska1,06628526.7%
Montana1,00533132.9%
New Mexico94427629.2%
Kansas88019422.0%
New Hampshire75421328.2%
Utah70320228.7%
Rhode Island67618327.1%
Tennessee61821735.1%
Delaware61310717.5%
North Dakota4936212.6%
West Virginia47112426.3%
Missouri46611725.1%
Vermont42921550.1%
Idaho37411029.4%
South Dakota3134614.7%
Arkansas2957324.7%
Alabama2748430.7%
Mississippi2424116.9%
Hawaii21510548.8%
District of Columbia1878243.9%
Wyoming1823720.3%

New NPI registrations by year

Year first enumeratedNPIs
20176,901
20187,987
20197,167
20206,237
20216,843
20227,189
20237,216
20247,640
20257,077
2026 (partial year)151

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 Addiction (Substance Use Disorder) Counselors are there in the United States?

There are 117,974 active NPI records with Addiction (Substance Use Disorder) Counselor as the primary taxonomy. This is a count of NPI records, not necessarily a count of unique people or currently practicing clinicians.

How many Addiction (Substance Use Disorder) Counselors are in private practice?

NPPES flags 38,151 records, or 32.3%, as sole proprietors. Because this is a self-reported field, it should not be treated as a definitive count of private practices.

Which states have the most Addiction (Substance Use Disorder) Counselors?

California has the largest count, with 29,140 records, followed by Ohio, New York, North Carolina, and Washington. These rankings reflect NPI records by primary taxonomy and state.

How many NPIs for this specialty were first enumerated in recent years?

NPIs first enumerated in this specialty numbered 7,640 in 2024, 7,077 in 2025, and 151 in 2026. These are enumeration counts, not counts of currently active records for each year.

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