Our infusion services team in Clovis at Plains Regional provides treatment, by appointment, for severe and/or chronic diseases through outpatient intravenous (IV) medication. Medical conditions treated can include multiple sclerosis, arthritis, and immune deficiency disorders. Infusion Services can provide lab draws for blood tests, procedures such as therapeutic phlebotomies, and infusion therapy for a wide range of diagnoses on an outpatient basis. A department of Presbyterian Hospital.