Community Health System | 19,821 followers on LinkedIn. You love what you do, now love where you do it. | Community Health System is a private, not-for-profit, health system that employs more than 11,000 people. We've grown a lot since 1897 and we're not done yet. We have affiliations of nearly 2,500 physicians, a partnership with UCSF Fresno, and one of central California's largest HMO health plans.