NAICS 621210:
Offices of Dentists
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.
Also called: dentist
Matching SIC code: 8021 Offices and Clinics of Dentists
Where it sits
- 62Health Care and Social AssistanceSector
- 621Ambulatory Health Care ServicesSubsector
- 6212Offices of DentistsIndustry group
- 62121Offices of DentistsNAICS industry
- 621210Offices of DentistsNational industry
Largest companies with NAICS 621210
Updated Nov 9, 2026| Rank | Company | Headquarters | Employees |
|---|---|---|---|
| 1 |  Aspen Dentalaspendental.com | Chicago, US | 9.9K |
| 2 |  Heartland Dentalheartland.com | Effingham, US | 7.1K |
| 3 |  PDS Healthpdshealth.com | Henderson, US | 6.5K |
| 4 |  Smile Brands Inc.smilebrands.com | Costa Mesa, US | 3.6K |
| 5 |  Western Dental & Orthodonticswesterndental.com | Orange, US | 2.1K |
| 6 |  Affordable Dentures & Implantsaffordabledentures.com | US | 1.8K |
| 7 |  Great Expressions Dental Centersgreatexpressions.com | Bloomfield Hills, US | 1.5K |
| 8 |  ClearChoice Dental Implant Centersclearchoice.com | Englewood, US | 1.3K |
| 9 |  Dental Associatesdentalassociates.com | Milwaukee, US | 1.1K |
| 10 |  Smile Doctorssmiledoctors.com | Dallas, US | 1K |
Not this code?
Similar activities the Census classifies elsewhere.
- 339116Dental LaboratoriesEstablishments known as dental laboratories primarily engaged in making dentures, artificial teeth, and orthodontic appliances to order for dentists
- 621498All Other Outpatient Care CentersOutpatient community health clinics with health practitioners from multiple industries
Questions about NAICS 621210
What is the NAICS code for dentist?
What SIC code matches NAICS 621210?
How many companies have NAICS 621210?
Code titles, definitions, examples and SIC matches: NAICS 2022 and the Census concordances, US Census Bureau. Company counts and lists: Crustdata, companies with a website, each by its primary code, updated weekly. Employee counts are estimates.