Table 2.

The players in the bay area HIE

Player	Type	Description
University of California, San Francisco (UCSF)	Hospital	600-bed tertiary and quaternary regional referral medical center. Averaged 740,000 ambulatory visits in 2008.
John Muir Health	Hospital + Physician Network	Not for profit. Includes two medical centers (581 beds), a physicians network and outpatient clinics.
Hill Physicians Medical Group	IPA	Large IPA provides primary and specialized care to nearly 300,000 people.
Alta Bates Medical Group	IPA	600-physician IPA. Serves 50,000 people.
San Ramon Regional Medical Center	Hospital	123-bed acute care hospital.

Note: IPA, Independent Physicians Association; The Bay Area HIE is one of the HIEs in California.