How do i contact sandoz by phone? Product- and Customer-related Inquiries. If you are a patient, doctor or health care provider and have a question concerning one of our generic drugs or biosimilars, please call 1-800-525-8747. Media and Public Relations Inquiries. Find contacts at Sandoz for media and journalist inquiries.How do i report a side effect of a sandoz medicine? The safety of our products and health and well-being of our patients are our highest priority. If you would like to report a side effect, or adverse event, involving a Sandoz medicine in the US, please contact us by calling 1-800-525-8747.How many sandsandoz drugs are there? Sandoz Inc. manufactures, markets and/or distributes more than 293 drugs in the United States.