621340 — Offices of Physical, Occupational and Speech Therapists, and Audiologists
Description
This industry comprises establishments of independent health practitioners primarily engaged in one of the following: (1) providing physical therapy services to patients who have impairments, functional limitations, disabilities, or changes in physical functions and health status resulting from injury, disease or other causes, or who require prevention, wellness or fitness services; (2) planning and administering educational, recreational, and social activities designed to help patients or individuals with disabilities regain physical or mental functioning or adapt to their disabilities; and (3) diagnosing and treating speech, language, or hearing problems. 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).
Illustrative Examples
- Audiologists' offices
- Recreational (e.g., art, dance, music) therapists' offices
- Industrial therapists' offices
- Speech pathologists' offices
- Occupational therapists' offices
- Physical therapists' offices
Exclusions & Cross-References
- Establishments primarily engaged in providing skilled nursing services in the home are classified in Industry
- 621610, Home Health Care 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→NAICS1997:62134→2002:621340→2007:621340→2012:621340→2017:621340→2022:621340)
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 Q515 — Pathology Services
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 621340 valid in 2022? ▾
Yes, 621340 is a valid 6-digit 2022 NAICS national industry code representing 'Offices of Physical, Occupational and Speech Therapists, and Audiologists' under Sector 62 in the official classification index.
What is the SBA size standard for NAICS code 621340? ▾
The Small Business Administration (SBA) has established a small business size standard of $12,500,000 for NAICS code 621340 (Offices of Physical, Occupational and Speech Therapists, and Audiologists), calculated based on receipts.
What is the legacy SIC equivalent for NAICS 621340? ▾
According to official Census Bureau concordance tables, NAICS code 621340 (Offices of Physical, Occupational and Speech Therapists, and Audiologists) 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 621340:
- 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 621340 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Offices of Physical, Occupational and Speech Therapists, and Audiologists).
- IRS PBA Code for Physical Therapy — 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.