Manorcare Health Services - Rossmoor is a nursing home located in Walnut Creek , California. This nursing home was first approved to provide Medicare and Medicaid services on 01/09/1991. It has 155 certified beds. Manorcare Health Services - Rossmoor is located 1226 Rossmoor Parkway, Walnut Creek, CA 94595 and can be contacted via phone number (925) 975-5000.