621210

Offices of Dentists

Health Care and Social Assistance › Ambulatory Health Care Services › Offices of Dentists

SBA Size Standard

$9M average annual receipts

Revenue-Based Verify at SBA.gov →

NAICS Code Hierarchy

62

Sector

Health Care and Social Assistance

621

Subsector

Ambulatory Health Care Services

6212

Industry Group

Offices of Dentists

621210

National Industry (This Code)

Offices of Dentists

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual
This industry comprises establishments of health practitioners having the degree of D.M.D. (Doctor of Dental Medicine), D.D.S. (Doctor of Dental Surgery), or D.D.Sc. (Doctor of Dental Science) primarily engaged in the independent practice of general or specialized dentistry or dental surgery. 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. They can provide either comprehensive preventive, cosmetic, or emergency care, or specialize in a single field of dentistry.

✓ Small Business Eligibility at a Glance

Based on SBA Table of Small Business Size Standards (2024)

Size Standard

$9M average annual receipts

Measurement Period

3-year average

Standard Type

Revenue-Based

Applies To

All contracts under NAICS 621210

Set-Aside Programs

8(a), WOSB, HUBZone, SDVOSB

Certification Required

No (self-certify in SAM.gov)

Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.

Cross-References

The following activities are classified elsewhere in the NAICS system:

Establishments known as dental laboratories primarily engaged in making dentures, artificial teeth, and orthodontic appliances to order for dentists are classified in U.S. Industry 339116, Dental Laboratories;
Establishments of dental hygienists primarily engaged in cleaning teeth and gums or establishments of denturists primarily engaged in taking impressions for and fitting dentures are classified in U.S. Industry 621399, Offices of All Other Miscellaneous Health Practitioners; and
Outpatient community health clinics with health practitioners from multiple industries are classified in U.S. Industry 621498, All Other Outpatient Care Centers.

How to Use NAICS 621210 in SAM.gov

NAICS code 621210Offices of Dentists — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Offices of Dentists space will be able to find your business.

If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of $9M average annual receipts, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 621210.

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Frequently Asked Questions

What is NAICS code 621210?

NAICS code 621210 is 'Offices of Dentists', classified under the Health Care and Social Assistance sector (NAICS 62). This industry comprises establishments of health practitioners having the degree of D.M.D. (Doctor of Dental Medicine), D.D.S. (Doctor of Dental Surgery), or D.D.Sc. (Doctor of Dental Science) primari

What is the SBA small business size standard for NAICS code 621210?

The SBA defines a small business under NAICS code 621210 (Offices of Dentists) as one with $9M average annual receipts. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.

How do I register NAICS code 621210 in SAM.gov?

To register NAICS code 621210 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 621210 (Offices of Dentists) to your NAICS code list. You may designate one code as your Primary NAICS code.

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Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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