NAICS 621399 Quarterly Industry Report
Offices of All Other Miscellaneous Health Practitioners
Comprehensive industry research for valuation professionals, business owners, buyers, and lenders
NAICS Code: 621399Sector: Health Care and Social Assistance (62)Updated: Q1 2026
About This Report
This industry profile for Offices of All Other Miscellaneous Health Practitioners (NAICS 621399) draws on data from the U.S. Census Bureau[6], Bureau of Labor Statistics[7], state licensing board data, and SBA size standards database[9]. Published by Fair Market Value and updated quarterly, it provides valuation professionals, healthcare analysts, and business appraisers with current market data. All quantitative claims are sourced to publicly verifiable databases.
Industry Snapshot
Key metrics for the offices of all other miscellaneous health practitioners industry.
NAICS Sector
62
Health Care and Social Assistance
Industry Definition & Overview
Offices of All Other Miscellaneous Health Practitioners (NAICS 621399) encompasses establishments of independent health practitioners not classified elsewhere, including acupuncturists, hypnotherapists, dental hygienists, respiratory therapists, denturists, midwives, dietitians, naturopaths, and registered nurses in independent practice per the U.S. Census Bureau[5]. Practitioners operate private or group practices in their own offices or within facilities such as hospitals and medical centers.
Industry revenue reached $11.2 billion with $4 billion in annual payroll per Census Bureau[6] economic survey data. This catch-all classification covers a wide range of disciplines with varying market sizes, regulatory frameworks, and growth trajectories. Respiratory therapists held roughly 133,000 jobs in 2024 per the Bureau of Labor Statistics[7], while dental hygienists held about 208,000 jobs per the BLS[8]. Dietitians and nutritionists held 78,000 jobs with 8 percent projected growth through 2034.
Per the SBA Table of Size Standards[9], the size standard is $10 million in average annual receipts. Regulatory requirements vary dramatically by discipline. Respiratory therapists must hold Registered Respiratory Therapist (RRT) certification from the National Board for Respiratory Care, while acupuncturist licensing ranges from rigorous (requiring 2,000 to 4,000 training hours and NCCAOM examination) to minimal depending on the state. Dental hygienists require licensure in all 50 states. Certified Nurse Midwives must hold nursing degrees plus midwifery training, while naturopath and homeopath licensing varies from full state recognition to no licensure requirement. Growing consumer acceptance of complementary and alternative medicine therapies supports demand, though insurance coverage for many services in this classification remains inconsistent.
What's Included in This Industry
- Acupuncture treatment and traditional Chinese medicine services
- Respiratory therapy and inhalation treatment delivery
- Independent dental hygienist preventive care services
- Certified nurse midwifery and birth center operations
- Registered dietitian nutrition counseling and meal planning
- Naturopathic medicine assessment and treatment services
- Hypnotherapy and behavioral change counseling sessions
- Independent registered nurse practitioner services
- Recreational therapy including art, dance, and music therapy
- Homeopathic practitioner assessment and remedy services
NAICS Classification Hierarchy
| Level | Description | Code |
|---|---|---|
| Sector | Health Care and Social Assistance | 62 |
| Subsector | Ambulatory Health Care Services | 621 |
| Industry Group | Offices of Other Health Practitioners | 6213 |
| NAICS Industry | Offices of All Other Health Practitioners | 62139 |
| National Industry | Offices of All Other Miscellaneous Health Practitioners | 621399 |
Related NAICS Codes
| Code | Description | Relationship |
|---|---|---|
| 621111 | Offices of Physicians (except Mental Health Specialists) | Offices of Physicians (General) refer patients to miscellaneous health practitioners for complementary services such as nutrition counseling, respiratory therapy, and midwifery care that supplement conventional medical treatment plans |
| 621330 | Offices of Mental Health Practitioners (except Physicians) | Offices of Mental Health Practitioners provide behavioral health services that overlap with hypnotherapy and certain counseling modalities within this classification, particularly for anxiety, stress management, and behavioral change treatment |
| 621340 | Offices of Physical, Occupational and Speech Therapists, and Audiologists | Offices of Physical, Occupational and Speech Therapists share the allied health practitioner market with respiratory therapists and recreational therapists in this classification who provide complementary rehabilitation services |
| 621210 | Offices of Dentists | Offices of Dentists employ dental hygienists who may also operate independent practices where state law permits, creating workforce overlap between dental office employment and independent hygienist practice models |
| 621310 | Offices of Chiropractors | Offices of Chiropractors share complementary and alternative medicine patient populations with acupuncturists and naturopaths in this classification, with patients frequently combining chiropractic and alternative treatment approaches |
| 621391 | Offices of Podiatrists | Offices of Podiatrists share the independent health practitioner business model and face similar state licensing, insurance contracting, and solo practice management challenges as practitioners in this classification |
Geographic Concentration
Top states by share of national establishments.
| # | State | % Est. | Total Est. |
|---|---|---|---|
| 1 | California | 12.6% | 4,254 |
| 2 | Florida | 10.7% | 3,588 |
| 3 | Texas | 7.7% | 2,586 |
| 4 | New York | 5.8% | 1,953 |
| 5 | Washington | 4.0% | 1,351 |
| 6 | Colorado | 3.6% | 1,216 |
| 7 | Arizona | 3.6% | 1,213 |
| 8 | Georgia | 2.9% | 982 |
| 9 | North Carolina | 2.8% | 931 |
| 10 | Illinois | 2.7% | 904 |
% Of Establishments
0%
13%
Source: County Business Patterns, U.S. Census Bureau[3]
SBA Lending Summary
5,376
Total SBA Loans
$1.8B
Total Loan Volume
$334K
Average Loan Size
11 yrs
Average Loan Term
10.47%
Average Interest Rate
37,928
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[9], Offices of All Other Miscellaneous Health Practitioners (NAICS 621399) has a size standard of $10 million in average annual receipts for federal contracting purposes. SBA lending programs[10] support practice acquisition, equipment investment, and facility expansion for qualifying health practitioner operators across the disciplines covered by this classification. 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 | Newtek Bank, National Association | 520 | $171.4M | $330K |
| 2 | The Huntington National Bank | 560 | $166.5M | $297K |
| 3 | Live Oak Banking Company | 104 | $110.2M | $1.1M |
| 4 | Readycap Lending, LLC | 400 | $79.7M | $199K |
| 5 | Northeast Bank | 520 | $74.3M | $143K |
Frequently Asked Questions
Common questions about this industry.
What is the NAICS code for acupuncture and naturopathy offices?
NAICS 621399 covers offices of all other miscellaneous health practitioners not classified elsewhere, including acupuncturists, naturopaths, dental hygienists, respiratory therapists, and midwives per the U.S. Census Bureau[5].
How large is the miscellaneous health practitioner industry?
Industry revenue reached $11.2 billion with $4 billion in annual payroll per Census Bureau[6] economic survey data, covering a wide range of disciplines with varying market sizes and growth trajectories.
What is the SBA size standard for this classification?
The SBA size standard[9] is $10 million in average annual receipts, determining eligibility for federal small business contracting programs and SBA lending products.
What licensing do acupuncturists need?
Acupuncturist licensing varies dramatically by state, ranging from rigorous requirements (2,000 to 4,000 training hours and NCCAOM examination) to minimal regulation, making state-specific verification essential before establishing practice per Bureau of Labor Statistics[13] occupational data.
How many respiratory therapists work in the U.S.?
Respiratory therapists held roughly 133,000 jobs in 2024 per the Bureau of Labor Statistics[7], with all states requiring Registered Respiratory Therapist certification from the National Board for Respiratory Care.
How many dental hygienists work independently?
Dental hygienists held about 208,000 jobs in 2024 per the Bureau of Labor Statistics[8], with independent practice permitted in some states and growing consumer access through direct-care hygienist models.
Do insurance plans cover alternative medicine practitioners?
Insurance coverage for many services in this classification remains inconsistent, with respiratory therapy and certified midwifery more commonly covered, while acupuncture, naturopathy, and homeopathy coverage varies widely by state and insurance plan design.
What is the outlook for dietitians and nutritionists?
Dietitians and nutritionists held 78,000 jobs with 8 percent projected employment growth through 2034 per the Bureau of Labor Statistics[14], driven by growing awareness of diet-related chronic disease prevention.
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]Census Bureau data.census.gov
- [7]Bureau of Labor Statistics bls.gov
- [8]BLS bls.gov
- [9]SBA Table of Size Standards sba.gov
- [10]SBA lending programs sba.gov
- [11]SBA 7(a) loans sba.gov
- [12]504 loans sba.gov
- [13]Bureau of Labor Statistics bls.gov
- [14]Bureau of Labor Statistics bls.gov
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