John Muir Physician Network is one of the fastest growing physician groups with more than 800 primary care and specialty physicians who deliver coordinated patient care in Brentwood, Orinda, Martinez, San Ramon and Livermore, Calif. It also owns and operates more than 100 physician practices staffed by the John Muir Medical Group. The physician s network provides information about a broad range of health education and wellness programs; urgent care and clinical research center; outpatient lab; physical rehabilitation; and medical imaging services. It also provides online directory as a community service. John Muir Physician Network has won highest honor for quality by the Integrated Healthcare and is located in Walnut Creek, Calif.