Campaigners are demanding a review of Hemel Hempstead's urgent care centre because they are receiving so many complaints.
Dacorum Hospital Action Group says its dossier of patient experiences show services to be 'incoherent and confused'.
Member Edie Glatter says senior managers need to urgently review the operation of the urgent care centre, which replaced full A&E
in March.
"The stories show a fragmented service at Hemel which is incoherent and confused," she said.
"There seem to be no clear lines of responsibility and it would appear that we are not getting the service or standard of service we were led to expect.
"We need senior managers, people at the top, to get out of their offices and come down to Hemel and have a look at the services and knock them into shape."
DHAG has identified problems with drug dispensing, the stroke unit, and the general quality of care.
In a statement the hospital trust said: "We continually review our services to ensure that we are able to deliver the best possible care for our patients.
"The services at Hemel Hempstead Hospital are working very well and therefore we have no plans at this time to undertake a major review."
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