# NAICS 621493: Freestanding Ambulatory Surgical and Emergency Centers

Breadcrumb: [NAICS codes](https://bidrover.com/naics) › [621493 Freestanding Ambulatory Surgical and Emergency Centers](https://bidrover.com/naics/621493)

This U.S. industry comprises establishments with physicians and other medical staff primarily engaged in (1) providing surgical services (e.g., orthoscopic and cataract surgery) on an outpatient basis or (2) providing emergency care services (e.g., setting broken bones, treating lacerations, or tending to patients suffering injuries as a result of accidents, trauma, or medical conditions necessitating immediate…

- NAICS code: 621493
- Title: Freestanding Ambulatory Surgical and Emergency Centers
- Sector: 62 Health Care and Social Assistance
- Subsector: 621 Ambulatory Health Care Services
- Industry group: 6214 Outpatient Care Centers
- NAICS industry: 62149 Other 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 621493?

NAICS 621493 is "Freestanding Ambulatory Surgical and Emergency Centers" in the 2022 North American Industry Classification System, in sector 62 (Health Care and Social Assistance). This U.S. industry comprises establishments with physicians and other medical staff primarily engaged in (1) providing surgical services (e.g., orthoscopic and cataract surgery) on an outpatient basis or (2) providing emergency care services (e.g., setting broken bones, treating lacerations, or tending to patients suffering injuries as a result of accidents, trauma, or medical conditions necessitating immediate…

### What is the SBA size standard for NAICS 621493?

A business is small under NAICS 621493 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 621493?

No open bid in BidRover cites NAICS 621493 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 621493 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

- [621498 All Other Outpatient Care Centers](https://bidrover.com/naics/621498)
- [621491 HMO Medical Centers](https://bidrover.com/naics/621491)
- [621492 Kidney Dialysis Centers](https://bidrover.com/naics/621492)
- [621410 Family Planning Centers](https://bidrover.com/naics/621410)
- [621420 Outpatient Mental Health and Substance Abuse Centers](https://bidrover.com/naics/621420)

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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.