CONTACT US For more information you can contact us during our normal business hours, Monday through Friday 6:00 am to 5:00 pm at 949.515.0708. If you have any questions about your bill or insurance please call 949.631.7850. If you have a medical emergency your should call 911 for help. Anesthesia services are provided by Newport Harbor Anesthesia Consultant. For anesthesia billing questions please call Medac Anesthesiology Billing Specialist 866.457.6410.