621330 Offices of Mental Health Practitioners (except Physicians)

Official definition

This industry comprises establishments of independent mental health practitioners (except physicians) primarily engaged in (1) the diagnosis and treatment of mental, emotional, and behavioral disorders and/or (2) the diagnosis and treatment of individual or group social dysfunction brought about by such causes as mental illness, alcohol and substance abuse, physical and emotional trauma, or stress. These practitioners operate private or group practices in their own offices (e.g., centers, clinics) or in the facilities of others, such as hospitals or HMO medical centers.

Source: US Census Bureau, 2022 NAICS descriptions.

When to use a different code

Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:

• Establishments of psychiatrists, psychoanalysts, and psychotherapists having the degree of M.D. (Doctor of Medicine) or D.O. (Doctor of Osteopathic Medicine) are classified in U.S. Industry 621112, Offices of Physicians, Mental Health Specialists.
• Outpatient mental health and substance abuse centers are classified in Industry 621420, Outpatient Mental Health and Substance Abuse Centers.
• 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.

Source: US Census Bureau, 2022 NAICS cross-references.

Businesses that use this code

• Therapist or counsellor (mental health)

Activities listed under 621330

The Census index assigns these 6 activities to this code. If your business matches one, this is your code.

• Clinical psychologists' offices (e.g., centers, clinics)
• Doctors of psychology offices (e.g., centers, clinics)
• Psychoanalysts' (except MDs or DOs) offices (e.g., centers, clinics)
• Psychologists' offices (e.g., centers, clinics), clinical
• Psychotherapists' (except MDs or DOs) offices (e.g., centers, clinics)
• Social workers', mental health, offices (e.g., centers, clinics)

Source: US Census Bureau, 2022 NAICS index file.

SBA size standard for 621330

To count as a small business for SBA loans and federal contracts under NAICS 621330, your business (including affiliates) must not exceed $9 million in average annual receipts. Check your business.

Source: SBA table of size standards, effective March 17, 2023.

Closest UK SIC 2007 codes

There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 8690), so treat them as a starting point and check the definition.

• 86900Other human health activitiesUK SIC

Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.

Similar codes to compare

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