621330 — Offices of Mental Health Practitioners (except Physicians)
Description
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 (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Exclusions & Cross-References
- 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; and
- 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.
Overview Facts
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 8049 - Offices and Clinics of Health Practitioners, NEC (via SIC1987:8049→NAICS1997:62133→2002:621330→2007:621330→2012:621330→2017:621330→2022:621330)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC Q519 — Behavioral and Mental Health
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 621330 valid in 2022? ▾
Yes, 621330 is a valid 6-digit 2022 NAICS national industry code representing 'Offices of Mental Health Practitioners (except Physicians)' under Sector 62 in the official classification index.
What is the SBA size standard for NAICS code 621330? ▾
The Small Business Administration (SBA) has established a small business size standard of $9,000,000 for NAICS code 621330 (Offices of Mental Health Practitioners (except Physicians)), calculated based on receipts.
What is the legacy SIC equivalent for NAICS 621330? ▾
According to official Census Bureau concordance tables, NAICS code 621330 (Offices of Mental Health Practitioners (except Physicians)) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 8049 - Offices and Clinics of Health Practitioners, NEC.
Related Pages & Tools
Further regulatory reference links for NAICS code 621330:
- Sector 62 Directory Hub — List of related industries in the Health Care and Social Assistance sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- NAICS 621330 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Offices of Mental Health Practitioners (except Physicians)).
- IRS PBA Code for Mental Health Counseling — Principal Business Activity tax reporting details.
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.