PMAB is a part of the MedA/Rx group of companies. MedA/Rx is a BBB accredited business and has been going stroing since 1988. If you have questions for MedA/RX, try reaching out to the company's offices in Charlotte, NC. MedA/Rx Contact Information. 4135 South Stream Blvd., Suite 400; Charlotte, NC 28217; Phone - 866-885-7622; Fax - 704 ....