Norma Espinoza, Administration Norma has been working for this office for 14 years. She has been in the medical field since 1998. Norma completed her medical billing certification course in 1999. Norma says the thing she enjoys most about the office is “working for and with such great doctors and the rest of the staff, which together make a great team”. Norma is also a member of the ASPMA. Norma is bilingual.