H

Health Maintenance Organization (HMO)

A Medicare managed care plan, sometimes called an HMO, is a health plan offered by private insurance companies.

Health Outcomes Survey

The Medicare Health Outcomes Survey (HOS) is conducted by CMS to assess a health plan's ability to maintain or improve the physical and mental health functioning of its Medicare beneficiaries over a two-year period of time.

Hospitalist

A physician who specializes in treating inpatients and who may coordinate a patient's care when he or she is admitted at a SCAN contracted hospital.