NAICS 2022 nationalIndustry USA Verified: Census NAICS 2022 · 2026-01-01
621210
NAICS 621210 — Offices of Dentists
Offices of Dentists
NAICS 621210 is the national industry code for offices of dentists establishments in the United States. The Small Business Administration sets a size standard of $9.0 for this classification. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.
SBA: $9.0
View full SBA standard
Exclusions & Cross-References
Activities classified under other official NAICS codes:
- denture, artificial teeth and orthodontic appliance making (See 339110 Medical equipment and supplies manufacturing (CAN))
- impression-taking and denture-fitting by denturists (See 621390 Offices of all other health practitioners (CAN))
- teeth and gum cleaning by dental hygienists practising their profession independently (See 621390 Offices of all other health practitioners (CAN))
Official Illustrative Examples
Primary activities officially recognized by Census Bureau / Statistics Canada:
dental health services, specialists (e.g., endodontists, orthodontists, periodontists, prosthodontists) dentists, group practice, offices or clinics, general practice
Complete Index of Activities (5 recognized activities) ▼
D.M.D. (doctor of medical dentistry)
dental health services, general practice
dental health services, specialists (e.g., endodontists, orthodontists, periodontists, prosthodontists)
dentists, group practice, offices or clinics, general practice
oral pathologists, offices of
Official data
| Feature | Description |
|---|---|
| Official name | North American Industry Classification System (NAICS) 2022 |
| Issuing authority | U.S. Census Bureau with OMB, Statistics Canada, and INEGI |
| Tax authority | Internal Revenue Service (IRS) |
| Purpose | Statistical business classification and federal contracting (SAM.gov, SBA standards) |
| Used in | SAM.gov registration, SBA size determinations, IRS tax classification, SEC EDGAR (via SIC crosswalk) |
| Active since | 2022 (current edition) |
| Hierarchy level | Sector (2-digit) |
| Source | https://www.census.gov/naics/ |
NAICS hierarchy path
Trace the classification from the broadest sector down to this national industry code.
Cross-references & crosswalks
SBA size standard description
Offices of Dentists
Changes to receipts-based standard: [object Object]