As a PA her clinical interests include: Hematology/Oncology, Internal Medicine/Family Practice, Cardiology, Pediatrics, Drug Addiction Rehabilitation, and many other clinical fields. Micah has worked in Hematology and Oncology as well as pediatrics. Merrill-Johnson received her MPAS from the University of Utah from the division of family medicine. She is a member of the American Academy of Physician Assistants, as well as Utah Academy of Physician Assistants.