If you are an existing patient who has not seen our doctor for 2 years or more, you will be required to book an extended 50-minute appointment. Please kindly call us directly at 02 9011 6800. an extended 50-minute appointment. Please kindly call us directly at 02 9011 6800. 2. If you are a new patient, please submit a New Patient Appointment Request Form via mindoasis.com.au/newpatient. Our team will contact you within a few business days. 3. If you have booked a new patient appointment and would like to cancel or reschedule your appointment, please kindly call us directly at 02 9011 6800.