NAICS Code 621491 — HMO Medical Centers
National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is one of 4 national industries under 62149 (Other Outpatient Care Centers).
| Code | 621491 |
|---|---|
| Title | HMO Medical Centers |
| Level | National Industry (6-digit) |
| Edition | NAICS 2022 edition |
| SBA size standard | $44.5 million in average annual receipts |
Official definition (2022 NAICS)
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. Included in this industry are HMO establishments that both provide health care services and underwrite health and medical insurance policies.
Cross-References.
Is a business under 621491 "small"?
Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 621491 qualifies as a small business if it does not exceed $44.5 million in average annual receipts. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — receipts are averaged over the latest 5 fiscal years.
Where 621491 sits in the hierarchy
| Level | Code | Title |
|---|---|---|
| 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 |
| National Industry | 621491 | HMO Medical Centers |
Related SIC codes
Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.
| SIC code | Title |
|---|---|
8011 | Offices and Clinics of Doctors of Medicine |
Related National Industry codes
621492— Kidney Dialysis Centers621493— Freestanding Ambulatory Surgical and Emergency Centers621498— All Other Outpatient Care Centers
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Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.