Catalyst Rx 800 King Farm Blvd, Rockville, MD20850 Catalyst Rx is a pharmacy benefit manager with customer service locations in Maryland and Nevada. This company offers…More prescription benefit plans through health care providers and distributes pharmacy cards for clients. Clients are taken at the office by appointment only, but phone lines are open 24/7. Visit Catalyst Rx's website for more information on services and the company. Call with questions, comments, concerns and to be assisted by a representative.