According to our records, this business is located at 1868 Clayton Rd. in Concord (in Contra Costa County), California 94520, the location GPS coordinates are: 37.9733007 (latitude), -122.0357519 (longitude). Marcia Yamashiro Nutrition is categorized under Physical Therapists (SIC code 8049). Current estimates show that the unit has a sales volume of $410,000 and staff of approximately 5 people. You can contact the company by phone at (925) 686-9316.