Oakland, Calif.-based Kaiser Permanente is the largest health system by number of physicians, which is 25,352.
Here are five more things to know about the health system:
1. Kaiser Permanente consists of Kaiser Foundation Health Plan, Kaiser Foundation Hospitals and its subsidiaries, and the Permanente Medical Groups.
2. Kaiser has 40 hospitals as of December 2023.
3. The health system also has a huge stake in the ASC industry, with 62 freestanding ambulatory surgery units and outpatient surgery departments on its campuses.
4. Kaiser reported $329 million in operating income in 2023, a significant improvement on the $1.3 billion operating loss it reported in 2022.
5. Operating revenue for Kaiser's health plan, hospitals and subsidiaries hit $100.8 billion in 2023, up from $95.4 billion the previous year.