Christopher, Chen M.D.Attending PhysicianInternal Medicine Education: University of Maryland School of MedicineMain Office:925 671-0610 John Muir Health 2485 High School Ave #100 Concord, CA 94520 Clinic Intersts:hospital medicine(inpatient services).Additional Office: 2700 Grant St #106 Concord, CA 94520 925 937-1770 Additional Office: 2400 Balfour Rd #201 Brentwood, CA 94513 925 308-8120 Hospital Affiliations: Walnut Creek Medical Center Concord Medical Center