"I have no one to go back to in India. The system is designed to protect the family and that's what I want to do. If I have a sentence of over two years the chances of me returning to the US are nil," he said.
Judge Marshall told Siddiqui his offending had wide-ranging consequence for a number of people brought about by the deception.
"The risk to patients was a gross abuse of trust to some of the most vulnerable in society and the harm to the Waikato DHB reputation through loss of confidence in the organisation" he said.
As part of his job, Siddiqui was tasked with assessing and interacting with mental health patients, including some in secure facilities, and prescribing various medications.
He was earning a salary of more than $165,000, after being recruited by International Medical Recruitment, before suspicions were raised about his credentials, and charges were laid.