Interventional Radiology Appointment Request Already a patient? If you are an existing patient, please log into the patient portal to submit an appointment request › Please use this form only if you are a new patient or making an appointment for a patient. After you submit your request, a UC Irvine Health representative will contact you by phone within one business day to assist in making an appointment. Medical emergencies Call 911 if you are experiencing an emergency. Do not use this form.