[1] In 1924 she became superintendent of the Whangaroa General Hospital in Northland but a year later moved to establish a practice in Piopio in the King Country.
[1] She became interested in natural treatments and went to Dallas, Texas in 1956 to the Hoxsey Clinic to learn about alternative cancer therapies.
[2][5] She practised the Hoxsey treatments on her return to New Zealand using diet, raw apple and carrot juice and opposing x–rays and radiotherapy.
She resigned from the New Zealand branch of the British Medical Association in order to campaign publicly for the Hoxsey methods.
[1] While Hill's mainstream medical colleagues disagreed with her they also acknowledged that she was a caring person and sincere in her beliefs.