Patient Registration To save time, register by phone. If you are having a procedure done in the hospital, you need to register. Registering over the phone will save you time. If someone has not yet called you to register, please call (541) 686-7166 or (866) 907-6329. Have your health plan card handy when you call. The office is open weekdays 8:30 a.m. to 5:00 p.m. Anesthesia.