EXHIBIT 21.1

SUBSIDIARIES OF HEALTHSTREAM, INC.

Names Under Which We Do Business	State or Other Jurisdiction of Incorporation or Organization
Decision Critical, Inc.	Texas
VerityStream, Inc. (f/k/a Echo, Inc.)	Tennessee
Morrisey Associates, Inc.	Illinois
Performance Management Services, Inc.	California
Nursing Registry Consultants Corporation	Delaware
Health Care Compliance Strategies, Inc.	New York
HealthStream Acquisition I, Inc.	Tennessee
HealthStream Acquisition II, Inc.	Tennessee
Providigm, LLC	Colorado