Optum Infusion Services 554 (formerly known as Focus Rx) is a specialty pharmacy.. We are a full service pharmacy involved in all aspects of patient care. Our definition of patient care may include any combination of the following: initial diagnosis, benefits verification, prior authorization, appeal letters when required, patient education, counseling, and side effect management, copay assistance when necessary, prompt courteous delivery of medications via our healtcare specific courier, coordination of nursing or homecare services, proactive refill scheduling, patient compliance monitoring.