NAICS 621420 - Outpatient Mental Health and Substance Abuse Centers

This page includes content generated by AI. It is intended for general guidance only and should be verified for your specific situation.

What is NAICS 621420

NAICS code 621420 covers establishments primarily engaged in providing outpatient services for the diagnosis and treatment of mental health disorders and substance abuse. These facilities typically offer care to patients who do not require inpatient hospitalization, focusing on counseling, detoxification, and ongoing treatment programs. Businesses operating under this code include outpatient clinics and centers specializing in mental health and substance abuse treatment, often staffed by medical professionals such as psychiatrists, psychologists, counselors, and social workers. Government agencies contract these services to support public health initiatives, improve community wellness, and address the growing demand for accessible mental health and addiction treatment options outside hospital settings. The outpatient model allows for flexible care delivery, which is critical in managing chronic conditions and facilitating patient recovery in a less restrictive environment.

Industry Classification for NAICS 621420

This industry comprises establishments with medical staff primarily engaged in providing outpatient services related to the diagnosis and treatment of mental health disorders and alcohol and other substance abuse. These establishments generally treat patients who do not require inpatient treatment. They may provide a counseling staff and information regarding a wide range of mental health and substance abuse issues and/or refer patients to more extensive treatment programs, if necessary.

Illustrative Examples:

  • Outpatient alcoholism treatment centers and clinics (except hospitals)
  • Outpatient mental health centers and clinics (except hospitals)
  • Outpatient detoxification centers and clinics (except hospitals)
  • Outpatient substance abuse treatment centers and clinics (except hospitals)
  • Outpatient drug addiction treatment centers and clinics (except hospitals)

Breakdown for NAICS 621420

  • Includes outpatient facilities specializing in mental health and substance abuse treatment excluding hospitals.
  • Focuses on non-inpatient care such as counseling, detoxification, and ongoing therapy.
  • Typical establishments include clinics and treatment centers staffed by medical and counseling professionals.
  • Government contracts support public health programs, veteran care, and correctional system treatment needs.
  • Contract sizes vary widely from small local grants to large federal programs.
  • Emphasizes flexible, community-based care models aimed at reducing hospital admissions.

Included Activities for NAICS 621420

  • Providing outpatient counseling for mental health disorders.
  • Delivering outpatient substance abuse treatment and rehabilitation services.
  • Conducting outpatient detoxification programs.
  • Referring patients to inpatient or more intensive treatment when necessary.
  • Offering educational and support services related to addiction and mental health.
  • Implementing individualized treatment and case management plans.
  • Coordinating with social services and community resources.
  • Utilizing telehealth platforms for remote mental health and substance abuse care.

Business Types for NAICS 621420

  • Outpatient mental health treatment centers
  • Substance abuse rehabilitation clinics
  • Detoxification and withdrawal management facilities
  • Behavioral health counseling practices
  • Nonprofit organizations specializing in addiction treatment
  • Community health centers providing outpatient care

Subcategories for NAICS 621420

  • Alcoholism treatment centers and clinics (except hospitals), outpatient
  • Detoxification centers and clinics (except hospitals), outpatient
  • Drug addiction treatment centers and clinics (except hospitals), outpatient
  • Mental health centers and clinics (except hospitals), outpatient
  • Outpatient mental health centers and clinics (except hospitals)
  • Outpatient treatment centers and clinics (except hospitals) for substance abuse (i.e., alcoholism, drug addiction)
  • Outpatient treatment centers and clinics for alcoholism
  • Outpatient treatment centers and clinics for drug addiction
  • Psychiatric centers and clinics (except hospitals), outpatient
  • Substance abuse treatment centers and clinics (except hospitals), outpatient

Government Buyers for NAICS 621420

Federal, state, and local government agencies are primary purchasers of outpatient mental health and substance abuse services. Agencies such as the Department of Veterans Affairs, Substance Abuse and Mental Health Services Administration (SAMHSA), Department of Health and Human Services (HHS), and various state health departments contract these services to support veterans, low-income populations, and individuals requiring treatment in community-based settings. Governments seek these services to reduce hospital admissions, improve mental health outcomes, support rehabilitation efforts, and comply with mandates related to public health and safety. Additionally, correctional facilities and social service agencies may procure outpatient services to assist populations with substance use disorders and mental health challenges.

Contract Types & Procurement for NAICS 621420

Contracts for outpatient mental health and substance abuse services often include fixed-price, cost-reimbursement, and indefinite delivery/indefinite quantity (IDIQ) agreements. Procurement methods may involve competitive bidding, requests for proposals (RFPs), and sole-source awards depending on the urgency and scope of services required. Typical contract values vary widely, ranging from small local grants to multi-million-dollar federal contracts supporting expansive treatment programs. Performance-based contracts are common, emphasizing measurable outcomes such as patient engagement, reduction in substance use, and improved mental health metrics. Subcontracting opportunities also exist for specialized services like counseling, detoxification, and case management within larger contracts.

Details for NAICS 621420

Explore the hierarchy and related codes for this industry

NAICS Code Industry Title
621 Ambulatory Health Care Services
6211 Offices of Physicians
62111 Offices of Physicians
621111 Offices of Physicians (except Mental Health Specialists)
621112 Offices of Physicians, Mental Health Specialists
6212 Offices of Dentists
62121 Offices of Dentists
621210 Offices of Dentists
6213 Offices of Other Health Practitioners
62131 Offices of Chiropractors
621310 Offices of Chiropractors
62132 Offices of Optometrists
621320 Offices of Optometrists
62133 Offices of Mental Health Practitioners (except Physicians)
621330 Offices of Mental Health Practitioners (except Physicians)
62134 Offices of Physical, Occupational and Speech Therapists, and Audiologists
621340 Offices of Physical, Occupational and Speech Therapists, and Audiologists
62139 Offices of All Other Health Practitioners
621391 Offices of Podiatrists
621399 Offices of All Other Miscellaneous Health Practitioners
6214 Outpatient Care Centers
62141 Family Planning Centers
621410 Family Planning Centers
62142 Outpatient Mental Health and Substance Abuse Centers
621420 Current Outpatient Mental Health and Substance Abuse Centers
62149 Other Outpatient Care Centers
621491 HMO Medical Centers
621492 Kidney Dialysis Centers
621493 Freestanding Ambulatory Surgical and Emergency Centers
621498 All Other Outpatient Care Centers
6215 Medical and Diagnostic Laboratories
62151 Medical and Diagnostic Laboratories
621511 Medical Laboratories
621512 Diagnostic Imaging Centers
6216 Home Health Care Services
62161 Home Health Care Services
621610 Home Health Care Services
6219 Other Ambulatory Health Care Services
62191 Ambulance Services
621910 Ambulance Services
62199 All Other Ambulatory Health Care Services
621991 Blood and Organ Banks
621999 All Other Miscellaneous Ambulatory Health Care Services
622 Hospitals
6221 General Medical and Surgical Hospitals
62211 General Medical and Surgical Hospitals
622110 General Medical and Surgical Hospitals
6222 Psychiatric and Substance Abuse Hospitals
62221 Psychiatric and Substance Abuse Hospitals
622210 Psychiatric and Substance Abuse Hospitals
6223 Specialty (except Psychiatric and Substance Abuse) Hospitals
62231 Specialty (except Psychiatric and Substance Abuse) Hospitals
622310 Specialty (except Psychiatric and Substance Abuse) Hospitals
623 Nursing and Residential Care Facilities
6231 Nursing Care Facilities (Skilled Nursing Facilities)
62311 Nursing Care Facilities (Skilled Nursing Facilities)
623110 Nursing Care Facilities (Skilled Nursing Facilities)
6232 Residential Intellectual and Developmental Disability, Mental Health, and Substance Abuse Facilities
62321 Residential Intellectual and Developmental Disability Facilities
623210 Residential Intellectual and Developmental Disability Facilities
62322 Residential Mental Health and Substance Abuse Facilities
623220 Residential Mental Health and Substance Abuse Facilities
6233 Continuing Care Retirement Communities and Assisted Living Facilities for the Elderly
62331 Continuing Care Retirement Communities and Assisted Living Facilities for the Elderly
623311 Continuing Care Retirement Communities
623312 Assisted Living Facilities for the Elderly
6239 Other Residential Care Facilities
62399 Other Residential Care Facilities
623990 Other Residential Care Facilities
624 Social Assistance
6241 Individual and Family Services
62411 Child and Youth Services
624110 Child and Youth Services
62412 Services for the Elderly and Persons with Disabilities
624120 Services for the Elderly and Persons with Disabilities
62419 Other Individual and Family Services
624190 Other Individual and Family Services
6242 Community Food and Housing, and Emergency and Other Relief Services
62421 Community Food Services
624210 Community Food Services
62422 Community Housing Services
624221 Temporary Shelters
624229 Other Community Housing Services
62423 Emergency and Other Relief Services
624230 Emergency and Other Relief Services
6243 Vocational Rehabilitation Services
62431 Vocational Rehabilitation Services
624310 Vocational Rehabilitation Services
6244 Child Care Services
62441 Child Care Services
624410 Child Care Services

Interested in Government Contracting?

Our team can help small businesses work toward certification, qualification, and positioning for federal contract opportunities.

Schedule a Call

Learn more with no obligation

Federal Contracting Intelligence

Find Outpatient Mental Health and Substance Abuse Centers Contract Opportunities

Access federal solicitations, track award history, and monitor agency spend in this industry in one place. Designed to support small businesses pursuing federal revenue.

  • Opportunities updated regularly from SAM.gov
  • Filter by set-aside, agency, NAICS, and PSC
  • Get notified when matching opportunities are posted
Start Free Trial View Pricing →

No credit card required to start • Terms may apply

WOSB SDVOSB 8(a) HUBZone
Schedule a Call

30 minutes • Discuss your goals with our team

Guidance

Leverage Your Certifications for a Competitive Edge

Our federal contracting specialists can help businesses build certifications and capability statements to pursue opportunities in industries like Outpatient Mental Health and Substance Abuse Centers .

  • WOSB, VOSB & 8(a) certification support
  • Capability statement writing & review
  • SAM.gov registration & compliance guidance
Construction Technology Logistics Healthcare + Many More Industries

Discover Your Next Industry Opportunity

Browse thousands of NAICS codes across every federal procurement sector. Find industries aligned with your capabilities and uncover where government spending is concentrated.

Search the NAICS Directory 1,000+ industry codes • Free to browse