2002 NAICS Definitions

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. Included in this industry are HMO establishments that both provide health care services and underwrite health and medical insurance policies.

Cross-References.

• Health practitioners or health practitioner groups contracting to provide their services to subscribers of prepaid health plans are classified in Industry 62111, Offices of Physicians; Industry 621210, Offices of Dentists; and Industry Group 6213 Health Practitioners; and
• HMO establishments (except those providing health care services) primarily engaged in underwriting and administering health and medical insurance policies are classified in U.S. Industry 524114, Direct Health and Medical Insurance Carriers.

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No change 1997 to 2002

2002 NAICS to 1987 SIC

1997 Economic Census

Bridge Between 1997 NAICS and SIC

2002 NAICS	1997 NAICS	1987 SIC	Corresponding Index Entries
621491	621491	8011	Group hospitalization plans providing health care services
621491	621491	8011	Health maintenance organization (HMO) medical centers and clinics
621491	621491	8011	HMO (health maintenance organization) medical centers and clinics

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