U.S. HealthWorks Medical Group is a health care services provider based in Los Angeles, Calif. The firm specializes in injury treatment, national MRO services, client communication system, pre-employment physicals, medical surveillance, specialty care and physical abilities testing. It also offers several services in flu-vaccination day, therapy services, instant drug and alcohol testing. Founded in 1995, the firm caters to Kruger Foods, Grocers Supply, Plastic Dress-Up Co., Cintas, Embassy Suites Hotel, Associated Energy Systems, Dreyer's Grand Ice Cream and Martin's Point Healthcare.