Skip to content
NAICS 621420, industry

NAICS 621420: Outpatient mental health and substance abuse centers

NAICS 621420 is the industry code for outpatient mental health and substance abuse centers. Use it on loan applications, tax forms and registrations. Explore financing for medical and dental and start your application when you are ready.

What 621420 covers

These centers provide outpatient treatment for mental health conditions and substance use disorders, including intensive outpatient programs, partial hospitalization, medication assisted treatment and methadone clinics.

Included in this code

  • Outpatient substance use treatment
  • Intensive outpatient programs
  • Partial hospitalization programs
  • Methadone and MAT clinics
  • Community mental health centers

Businesses that use 621420

IOP treatment centerMethadone clinicCommunity mental health center

Financing for this trade

Treatment centers use SBA 7(a) loans for startups and acquisitions, healthcare receivables lines against insurance claims, and real estate loans for clinic buildings. Lenders look at licensing and accreditation, payer contracts, census and billing compliance.

Apply for funding with AI

Is 621420 the right code for an outpatient mental health or substance abuse center?

Yes, if you provide outpatient treatment programs for mental health or substance use, such as IOP, PHP or MAT clinics. Residential programs where patients stay overnight use 623220. Individual therapy practices use 621330. Psychiatric hospitals use 622210. Community mental health centers also fit.

What is the SBA size standard for 621420?

SBA sets the size standard for 621420 at $19 million in average annual receipts, averaged over the last five completed fiscal years and counting affiliates. Outpatient mental health and substance use centers at or under that figure qualify as small businesses for SBA 7(a) and 504 loans and for federal small business set asides. Most independent outpatient mental health and substance use centers fall well inside the limit, so size is rarely what decides an SBA application.

How do outpatient treatment centers finance operations?

Many use healthcare receivables financing against insurance claims, SBA 7(a) loans for startups and acquisitions, and commercial mortgages for buildings. Lenders look at state licensing, accreditation such as Joint Commission or CARF, payer mix, patient census and billing practices. Census trends matter too.

What does NAICS 621420 cover?

Outpatient mental health and substance abuse centers. Industry level code in NAICS 2022, under 62 Health care and social assistance, 621 Ambulatory health care services, 6214 Outpatient care centers, 62142 Outpatient mental health and substance abuse centers.

What financing do NAICS 621420 businesses use?

Equipment financing, working capital, SBA loans and invoice factoring are the products placed most for medical and dental businesses. Start an application and the AI matches the deal to lenders that fund this code.

Where do I put NAICS 621420?

On the SBA loan application, on federal Schedule C or Form 1120, on SAM.gov and state registrations, and on most lender applications. A business can report more than one code; use this one if it describes what produces most of your revenue.