According to our records, this business is located at 6214 Thornton Ave. in Newark (in Alameda County), California 94560, the location GPS coordinates are: 37.535518 (latitude), -122.030972 (longitude). One Call Medical Service is categorized under Incontinent Care Products and Supplies (SIC code 5047). Current estimates show that the unit has a sales volume of $2,990,000 and staff of approximately 5 people. You can contact the company by phone at (510) 505-0333.