System Atlas
NAICS 621491
Browse what is insideInherits Healthcare practices

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. It has no schema of its own: companies here are mapped on the Healthcare practices schema, and what it does not cover is recorded as gaps.

Baseline
Healthcare practices v2
Inherited from
Healthcare practices
Companies mapped
0 of 0
Primitives
56 in 8 parts
Last updated
Nov 2, 2026