Here are five things to know about HCA Healthcare:
1. HCA Healthcare supports 38,000 active physicians.
2. The Nashville, Tenn.-based system was founded in 1968.
3. Sam Hazen is CEO of HCA Healthcare.
4. The system consists of 184 hospitals and 2,000 sites of care.
5. HCA Healthcare has a presence in 21 states and the United Kingdom.