NAICS 621420: Outpatient Mental Health and Substance Abuse Centers
This industry comprises establishments with medical staff primarily engaged in providing outpatient services related to the diagnosis and treatment of mental health disorders and alcohol and other substance abuse. These establishments generally treat patients who do not require inpatient treatment. They may provide a counseling staff and information regarding a wide range of mental health and substance abuse issues and/or refer patients to more extensive treatment programs, if necessary.
$19M receiptsSBA size standard
0open contracts now
16posted in the last 12 months
6214Outpatient Care Centers
Open government contracts under NAICS 621420
Nothing is open under NAICS 621420 today. New solicitations post every day; search all open contracts or check back.
What NAICS 621420 covers
This industry comprises establishments with medical staff primarily engaged in providing outpatient services related to the diagnosis and treatment of mental health disorders and alcohol and other substance abuse. These establishments generally treat patients who do not require inpatient treatment. They may provide a counseling staff and information regarding a wide range of mental health and substance abuse issues and/or refer patients to more extensive treatment programs, if necessary.
Examples of work in this code:
Outpatient alcoholism treatment centers and clinics (except hospitals)
Outpatient mental health centers and clinics (except hospitals)
Outpatient detoxification centers and clinics (except hospitals)
Outpatient substance abuse treatment centers and clinics (except hospitals)
Outpatient drug addiction treatment centers and clinics (except hospitals)
Not in this code
Establishments known and licensed as hospitals primarily engaged in the inpatient treatment of mental health and substance abuse illnesses with an emphasis on medical treatment and monitoring are classified in Industry 622210, Psychiatric and Substance Abuse Hospitals.
Establishments primarily engaged in the inpatient treatment of mental health and substance abuse illnesses with an emphasis on residential care and counseling rather than medical treatment are classified in Industry 623220, Residential Mental Health and Substance Abuse Facilities.
Establishments of physicians primarily engaged in the independent practice of psychiatry or psychoanalysis are classified in U.S. Industry 621112, Offices of Physicians, Mental Health Specialists.
Establishments of independent mental health practitioners (except physicians) are classified in Industry 621330, Offices of Mental Health Practitioners (except Physicians).
Establishments primarily engaged in providing nonresidential counseling services for substance abuse, mental health, suicide intervention, and other crisis intervention social services to children and youth, the elderly, persons with disabilities, and all other individuals and families are classified in Industry Group 6241, Individual and Family Services.
SBA size standard
A business is small under NAICS 621420 if it has no more than $19 million in average annual receipts (averaged over the last five completed fiscal years, including affiliates).
Source: SBA Table of Size Standards, effective 2023-03-17. Always check the size standard printed in the solicitation itself.
Who buys it
Departments that posted the most NAICS 621420 solicitations in the last two years:
Administrative Office of the US Courts · 34 solicitations
15BCTS25Q00000014 - SU/MH/SOT in Wichita, KS · Justice · posted September 24, 2026
15BCTS25Q00000015 - SU/MH/SOT in Rapid City, SD · Justice · posted September 23, 2026
FY27 Treatment Services: Eastern District of Texas · Administrative Office of the US Courts · Texas · posted September 2, 2026
SU/MH/SOT in Rochester, NY · Justice · New York · posted August 29, 2026
SU/MH/SOT in Detroit, MI · Justice · Michigan · posted August 29, 2026
SU MH in Great Falls, MT · Justice · Montana · posted August 28, 2026
Substance Abuse & Mental Health Services For Federal Offenders & Defendants in The Central District Of California - San Luis Obispo County · Administrative Office of the US Courts · California · posted August 13, 2026
15BCTS26Q00000003 - National Peer Support · Justice · Washington, D.C. · posted August 13, 2026
Do this kind of work?
Send XL Eagle your price on an open outpatient mental health and substance abuse centers job. We write and submit the bid under our registrations. If we win, you do the work at your price. No fees.
NAICS 621420 is Outpatient Mental Health and Substance Abuse Centers. This industry comprises establishments with medical staff primarily engaged in providing outpatient services related to the diagnosis and treatment of mental health disorders and alcohol and other substance abuse. These establishments generally treat patients who do not require inpatient treatment. They may provide a counseling staff and information regarding a wide range of mental health and substance abuse issues and/or refer patients to more extensive treatment programs, if necessary.
What is the SBA size standard for NAICS 621420?
The size standard for NAICS 621420 is $19 million in average annual receipts. Firms at or under it count as small businesses for contracts assigned this code.
Are there government contracts for outpatient mental health and substance abuse centers?
None are open under NAICS 621420 today, but 16 were posted in the last 12 months. New ones post daily.
Can I bid on NAICS 621420 contracts without registering in SAM.gov?
You need an active SAM.gov registration to win a federal contract in your own name. If you would rather skip that, XL Eagle can bid as the prime contractor using your price, and you do the work as our subcontractor.
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