Office phone/fax & Location P: (480)494-2770 F: (480)494-2771 Email: "firstname.lastname@example.org" You may request an appointment by email. Choose a specific date. Please include your name, date of birth and insurance. we will do our best to give you the date you want. Facebook: https://www.facebook.com/wrhorn/ For any billing questions please call (888)962-9991. Exception: If your bill has an "800" number call (480)494-2770.There may be a billing error.