Rummel was made an honorary member of the New Zealand Nurses Organisation in 2004.

In 2024 she was appointed a Member of the New Zealand Order of Merit for services to nursing education.

[1][2] Rummel joined the School of Nursing at Manukau Institute of Technology in 1984, where she has been a clinical tutor at Middlemore Hospital, the deputy head of the department, and principal lecturer over forty years.

[2] Rummel led the most recent section of the Nursing Oral History Project, which finished in 2023.

[2] In the 2024 King's Birthday Honours Rummel was appointed a Member of the New Zealand Order of Merit for services to nursing education.