About Us

John Muir Health

John Muir Health is a not-for-profit integrated system of doctors, hospitals, and other services, not an insurance company or health plan. Physicians providing care to our HMO members are part of the John Muir Physician Network.

John Muir Physician Network

The John Muir Physician Network is a not-for-profit medical foundation. The 800 or so physicians associated with the John Muir Physician Network belong to either the John Muir Medical Group or the Muir Medical Group Independent Physician Association (IPA). These physicians accept all HMO and most PPO insurance plans, as well as Medicare.

The John Muir Physician Network owns and operates close to 100 physician practices staffed by the John Muir Medical Group in 20 locations from Brentwood to San Ramon. The Muir Medical Group IPA is a panel of primary care physicians and specialists with offices throughout Contra Costa and parts of southern Solano and southern Alameda counties.

John Muir Medical Group

The John Muir Medical Group is a group of over 100 primary care physicians, physician assistants and nurse practitioners located in over 24 sites throughout Contra Costa and Alameda County. It is composed of pediatricians, family practitioners, and internal medicine physicians providing primary care services to John Muir Health patients.

This group is the exclusive provider of urgent care services for John Muir Health and, in conjunction with the John Muir Physician Network, operates four conveniently located urgent care centers in Contra Costa County.

Muir Medical Group, IPA, Inc.

Muir Medical Group, IPA, Inc. (IPA) is a group of independent primary care and specialty care providers who have joined together to provide medical services to HMO enrollees who have selected John Muir Health as their medical group and Network Select enrollees through the John Muir Health system.

Muir Medical Group, IPA is one of the largest IPAs in the area, serving Contra Costa County and parts of Alameda and Solano counties. The IPA has over 175 primary care physicians and a large multi-specialty physician panel. Most physicians who participate in the IPA provide services at our medical centers.