CallRx makes obtaining “back-up” medications simple for long term care residents. We are the pharmacy benefit management company for the next generation of residents that live in long term care facilities like skilled nursing homes, assisted living facilities, retirement centers, rest homes, and group homes. Designed to be simpler than the first-generation companies, CallRx also provides significant savings and more options to better serve Long Term Care Pharmacies. CallRx. We ARE back-up meds made simple. Simple as 1-2-3.