Skip Menu Navigate: Select to Navigate... - MyChart Information - Cancel or Reschedule Appointment - Access Center - Find a Doctor - Contact a Nurse MyChart Information Cancel or Reschedule Appointment Access Center Find a Doctor Contact a Nurse If you are unable to keep an existing appointment at UTMB, please reschedule or cancel it, so that we may offer that time to another patient. To cancel or reschedule, you may use MyChart or call your clinic.