Simple Web Map This table represents a current listing of Home Medical Device Retailers (HMDR) licensed by the Food and Drug Branch (FDB) of the California Department of Public Health. HMDR firms are businesses that sell, rent or lease prescription medical devices and over-the-counter durable medical equipment (DME) for support of patients maintained in the home setting for short or long periods due to recuperation or long term chronic disease or disability. Data last updated in 2015