NAICS 621210 Quarterly Industry Report
Offices of Dentists
Comprehensive industry research for valuation professionals, business owners, buyers, and lenders
NAICS Code: 621210Sector: Health Care and Social Assistance (62)Updated: Q1 2026
About This Report
This industry profile for Offices of Dentists (NAICS 621210) draws on data from the U.S. Census Bureau[9], Bureau of Labor Statistics[6], American Dental Association[8], and SBA size standards database[7]. Published by Fair Market Value and updated quarterly, it provides valuation professionals, dental industry analysts, and practice brokers with current market data. The editorial analysis reflects the independent assessment of FairMarketValue.com's research team, with all quantitative claims sourced to publicly verifiable databases.
Industry Snapshot
Key metrics for the offices of dentists industry.
NAICS Sector
62
Health Care and Social Assistance
Industry Definition & Overview
Offices of Dentists (NAICS 621210) encompasses establishments of health practitioners having the degree of D.M.D. (Doctor of Dental Medicine) or D.D.S. (Doctor of Dental Surgery) or dental hygienists primarily engaged in the independent practice of general or specialized dentistry per the U.S. Census Bureau[5]. Services include general dentistry, orthodontics, endodontics, periodontics, oral surgery, prosthodontics, and pediatric dentistry delivered through solo practices, group practices, and dental service organizations (DSOs).
The Bureau of Labor Statistics[6] reports roughly 122,711 establishments employing 995,000 workers, generating $126.2 billion in total revenue. Heartland Dental leads the DSO market with over 1,700 offices and 2,400 affiliated dentists. Aspen Dental operates more than 1,000 clinics, while Pacific Dental Services and Affordable Dentures and Implants maintain large national footprints. DSO consolidation has accelerated sharply, with 11,500 practices now under DSO management, a 12 percent increase from the prior year.
Per the SBA Table of Size Standards[7], the size standard is $9 million in average annual receipts. Corporate DSOs with 50 or more locations control 41 percent of market share, and the U.S. DSO market grew to $44.7 billion in 2025 with projections reaching $196.5 billion by 2034 at a 17.9 percent compound annual rate. AI adoption in dental treatment planning reached 35 percent of offices in 2024, with 77 percent of adopters reporting positive clinical outcomes. Staffing shortages remain a persistent pressure, with 74 percent of practice owners reporting concerns about employee retention per the American Dental Association[8].
What's Included in This Industry
- General dentistry examinations, cleanings, and restorative work
- Orthodontic treatment planning and appliance management
- Endodontic root canal therapy and retreatment procedures
- Periodontic gum disease treatment and surgical intervention
- Oral and maxillofacial surgery services
- Prosthodontic crown, bridge, and denture fabrication
- Pediatric dental care and preventive treatment programs
- Dental implant placement and restoration procedures
- Cosmetic dentistry including whitening and veneers
- Dental service organization management and administration
NAICS Classification Hierarchy
| Level | Description | Code |
|---|---|---|
| Sector | Health Care and Social Assistance | 62 |
| Subsector | Ambulatory Health Care Services | 621 |
| Industry Group | Offices of Dentists | 6212 |
| NAICS Industry | Offices of Dentists | 62121 |
| National Industry | Offices of Dentists | 621210 |
Related NAICS Codes
| Code | Description | Relationship |
|---|---|---|
| 621111 | Offices of Physicians (except Mental Health Specialists) | Offices of Physicians share the independent practitioner office model and face similar reimbursement and staffing pressures, with many multi-specialty health centers operating medical and dental practices under integrated management structures |
| 339116 | Dental Laboratories | Dental Laboratories Manufacturing fabricates crowns, bridges, dentures, and orthodontic appliances ordered by dental offices, creating a direct supply chain relationship between laboratory production and clinical service delivery |
| 621320 | Offices of Optometrists | Offices of Optometrists share the independent healthcare practitioner model with similar insurance reimbursement structures and growing corporate consolidation through retail and franchise-based delivery formats |
| 621391 | Offices of Podiatrists | Offices of Podiatrists operate under similar independent practitioner regulatory and business frameworks, sharing practice management challenges including staffing, insurance contracting, and electronic health record compliance |
| 339113 | Surgical Appliance and Supplies Manufacturing | Surgical and Medical Instrument Manufacturing supplies dental instruments, imaging equipment, and digital scanning technology to dental offices, with equipment investment representing a major capital expenditure for practice buildout |
| 524114 | Direct Health and Medical Insurance Carriers | Direct Health and Medical Insurance Carriers set dental reimbursement rates and coverage policies that directly affect practice revenue, with dental insurance penetration rates influencing patient visit frequency and treatment acceptance |
Geographic Concentration
Top states by share of national establishments.
| # | State | % Est. | Total Est. |
|---|---|---|---|
| 1 | California | 16.6% | 22,642 |
| 2 | Texas | 8.7% | 11,845 |
| 3 | Florida | 6.6% | 9,002 |
| 4 | New York | 5.9% | 8,093 |
| 5 | Illinois | 4.3% | 5,857 |
| 6 | Pennsylvania | 3.5% | 4,708 |
| 7 | New Jersey | 3.4% | 4,582 |
| 8 | Ohio | 2.9% | 3,883 |
| 9 | Michigan | 2.8% | 3,821 |
| 10 | Washington | 2.7% | 3,686 |
% Of Establishments
0%
17%
Source: County Business Patterns, U.S. Census Bureau[3]
SBA Lending Summary
6,488
Total SBA Loans
$5.9B
Total Loan Volume
$911K
Average Loan Size
15 yrs
Average Loan Term
9.19%
Average Interest Rate
53,648
Jobs Supported
Source: SBA 7(a) Program Data, U.S. Small Business Administration — FY 2025[4]
Key Insight: Per the SBA Table of Size Standards[7], Offices of Dentists (NAICS 621210) has a size standard of $9 million in average annual receipts for federal contracting purposes. SBA lending programs[10] support practice acquisition, equipment upgrades, and facility expansion for qualifying dental office operators. Eligible businesses can access SBA 7(a) loans[11] for working capital, equipment, and acquisition financing, while 504 loans[12] support major fixed-asset purchases including real estate and heavy machinery.
Top SBA Lenders
| # | Lender | Loans | Volume | Avg Loan |
|---|---|---|---|---|
| 1 | Live Oak Banking Company | 1,104 | $2.1B | $1.9M |
| 2 | The Huntington National Bank | 680 | $832.6M | $1.2M |
| 3 | Fifth Third Bank | 208 | $339.5M | $1.6M |
| 4 | United Midwest Savings Bank National Association | 224 | $315.9M | $1.4M |
| 5 | Bank of America, National Association | 400 | $257.5M | $644K |
Frequently Asked Questions
Common questions about this industry.
What is the NAICS code for dental offices?
NAICS 621210 covers offices of dentists providing general and specialized dental care, including orthodontics, oral surgery, endodontics, and pediatric dentistry per the U.S. Census Bureau[5].
How large is the dental office industry?
What is the SBA size standard for dental offices?
The SBA size standard[7] is $9 million in average annual receipts, determining eligibility for federal small business contracting programs and SBA lending products.
How fast is DSO consolidation growing?
Roughly 11,500 practices operate under DSO management, a 12 percent increase from the prior year per American Dental Association[8] data. Corporate DSOs with 50 or more locations control 41 percent of market share.
Who is the largest dental service organization?
Heartland Dental leads with over 1,700 offices and 2,400 affiliated dentists, followed by Aspen Dental with more than 1,000 clinics and Pacific Dental Services per industry tracking data.
How is AI being used in dental practices?
AI adoption in dental treatment planning reached 35 percent of offices in 2024, with 77 percent of adopters reporting positive clinical outcomes in diagnostics and care planning per American Dental Association[8] survey data.
What staffing challenges do dental offices face?
Roughly 74 percent of practice owners report concerns about employee retention per American Dental Association[8] workforce surveys, with dental hygienist and assistant shortages constraining appointment capacity across the industry.
How large is the U.S. DSO market?
The U.S. DSO market grew to $44.7 billion in 2025 and is projected to reach $196.5 billion by 2034 at a 17.9 percent compound annual rate per dental industry market research data.
Sources & References
Government datasets and editorial sources used in this report.
- [1]U.S. Bureau of Labor Statistics, Quarterly Census of Employment and Wages bls.gov
- [2]U.S. Census Bureau, Economic Census census.gov
- [3]U.S. Census Bureau, County Business Patterns census.gov
- [4]U.S. Small Business Administration, SBA 7(a) Loan Program Data data.sba.gov
- [5]U.S. Census Bureau census.gov
- [6]Bureau of Labor Statistics bls.gov
- [7]SBA Table of Size Standards sba.gov
- [8]American Dental Association ada.org
- [9]U.S. Census Bureau data.census.gov
- [10]SBA lending programs sba.gov
- [11]SBA 7(a) loans sba.gov
- [12]504 loans sba.gov
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