# NAICS 621420: Outpatient Mental Health and Substance Abuse Centers

Breadcrumb: [NAICS codes](https://bidrover.com/naics) › [621420 Outpatient Mental Health and Substance Abuse Centers](https://bidrover.com/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.

- NAICS code: 621420
- Title: Outpatient Mental Health and Substance Abuse Centers
- Sector: 62 Health Care and Social Assistance
- Subsector: 621 Ambulatory Health Care Services
- Industry group: 6214 Outpatient Care Centers
- SBA size standard: $19 million average annual receipts
- Open bids on BidRover: 0

## Open bids (0)

No open bids cite this code right now.

## Frequently asked questions

### What is NAICS code 621420?

NAICS 621420 is "Outpatient Mental Health and Substance Abuse Centers" in the 2022 North American Industry Classification System, in sector 62 (Health Care and Social Assistance). 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.

### What is the SBA size standard for NAICS 621420?

A business is small under NAICS 621420 at or below $19 million average annual receipts, including affiliates (13 CFR 121.201). Confirm the standard named in each solicitation.

### How many government bids are open under NAICS 621420?

No open bid in BidRover cites NAICS 621420 right now. Many state and local notices do not list a NAICS code, so a keyword alert for this work catches more of them.

### How do I get alerts for NAICS 621420 bids?

Save an alert on this page. A free account gets new matching bids by weekly email; the Team plan ($19/mo) sends daily alerts with match scores, the buyer, source link and documents.

## Related NAICS codes

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- [623220 Residential Mental Health and Substance Abuse Facilities](https://bidrover.com/naics/623220)
- [621112 Offices of Physicians, Mental Health Specialists](https://bidrover.com/naics/621112)
- [621330 Offices of Mental Health Practitioners (except Physicians)](https://bidrover.com/naics/621330)
- [621410 Family Planning Centers](https://bidrover.com/naics/621410)
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Code titles and definitions: U.S. Census Bureau, North American Industry Classification System (NAICS), 2022 (https://www.census.gov/naics/). Size standards: U.S. Small Business Administration, Small Business Size Standards, 13 CFR 121.201, eCFR text current as of 2026-10-21 (https://www.ecfr.gov/current/title-13/section-121.201).

BidRover lists bids from official public sources. It is not an issuing authority; confirm the NAICS code and size standard named in each solicitation.