Aster Quality Management is very keen on complaint resolution and the lessons learned from such experiences are used to improve Aster services. We are always happy to hear from patients and visitors about the service and care we provide. Compliments and complaints help us improve our service and we value your feedback. All complaints are treated confidentially. Click for Patient Feed Back Form. As a patient of Aster Hospital you may have some concerns about your hospital stay or service that you would like to be addressed. If you have a concern or problem about any aspect of your stay or treatment, kindly bring it to Patient Relation officer's notice. Call: 043988799 Email: dubai@asterhospital.com