NAICS 621491: HMO Medical Centers
This U.S. industry comprises establishments with physicians and other medical staff primarily engaged in providing a range of outpatient medical services to the health maintenance organization (HMO) subscribers with a focus generally on primary health care. These establishments are owned by the HMO.
- NAICS code
- 621491
- Title
- HMO Medical 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
- $44.5 million average annual receipts
- Open bids on BidRover
- 0
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What is NAICS code 621491?
NAICS 621491 is "HMO Medical 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 providing a range of outpatient medical services to the health maintenance organization (HMO) subscribers with a focus generally on primary health care. These establishments are owned by the HMO.
What is the SBA size standard for NAICS 621491?
A business is small under NAICS 621491 at or below $44.5 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 621491?
No open bid in BidRover cites NAICS 621491 right now. Many state and local notices do not list a NAICS code, so a keyword alert for this work catches more of them.
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Title and definition: U.S. Census Bureau, North American Industry Classification System (NAICS), 2022. Size standard: U.S. Small Business Administration, Small Business Size Standards, 13 CFR 121.201 (eCFR text as of Oct 21, 2026). Bid counts come from official public sources and refresh every hour; confirm the code and size standard in each solicitation.