Inspectors have revealed serious concerns about two GP surgeries in the north west.
Two of just nine surgeries criticised nationwide.
The health watchdog that carried out the inspections said the failings were so serious they could potentially affect thousands of people.
In one practice in Rochdale there was no oxygen, to use in the case of a patient emergency.
There also weren't enough qualified staff to ensure patient safety.
And at a surgery in Sale staff hadn't been checked for criminal records or received proper training.
Our correspondent Rob Smith reports
A report revealing GP surgeries that put patients health at risk includes two from our region.
One in Rochdale where there was no equipment - such as oxygen available - and one in Sale where staff hadn't been checked for criminal records.
Rob Smith reports.
GPs who are found to keep their practice in a poor condition can have "their registration taken off them", the author of a Care Quality Commission (CQC) report into conditions in doctor's surgeries told Daybreak.
Professor Steve Field said some of the doctors who had run surgeries with rooms so dirty maggots were found, had already "given up practicing in those practices".
"We will not tolerate poor and dangerous care," he added.
Two GP surgeries in the region have been criticised in a report by an NHS watchdog. One in Rochdale where essential equipment - such as oxygen - was missing and one in Sale where staff hadn't been checked for criminal records.